Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

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  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

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    @byqcdi UCLLIW

    Uqohittiyq git Ykcxiqtcwt

    CYW Bkkids Ykcxiqtcw gi Tbxoci, Lbaoqbwocqi LCTWCDBkdcik lxi gi l&Idoli Koq`bli Tyuqciyqi gi DBDMBK

    Buulcryiq lb `bwqcti twbwctwcryigit uqodittyt

    -@TU/TUD#

    Rybwqc`i gcwcok

    gcwcokt gOqfbkctbwcok, 2339, 1555, 1551, 1559

    CTAK : 165=244736

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    gcwcokt gOqfbkctbwcok 42

    Dmbucwqi 1

    Buqt bxocq gwbcll gbkt li uqi`ciq dmbucwqi lit btuidwt dylwyqilt rycdokgyctikw lit ikwqiuqctit `bwqctiq lb xbqcbaclcw git uqogydwcokt,koyt baoqgiqokt gbkt di dmbucwqi lit dokdiuwt gi abti gi lb @TU ryctokw :

    li tycxc gi lb xbqcbaclcw iw li uclowbfi ubq lit dbqwit gi dokwqli

    l&xblybwcok gi l&buwcwygi git uqodittyt ubq lit dbubaclcwt

    Di dmbucwqi itw xolokwbcqi`ikw guoyqxy gi dbldylt twbwctwcryit bflkryi li lidwiyq ti doktbdqi l&ittikwcil : lb do`uqmiktcok gituqckdcuit gi abti+ Koyt uqoflwiqokt git dmbucwqit tycxbkwt uoyqbuuqohokgcq lit dokdiuwt kokdt kowb``ikw ik di ryc dokdiqki litbtuidwt twbwctwcryit iw lit dbt g&buulcdbwcok gbkt lit tcwybwcoktubqwcdylcqit willit ryi lit uiwcwit tqcit+

    Woywit lit abtit twbwctwcryit kdittbcqit gbkt diw oyxqbfi ti wqoyxikwgbkt l&bkki}i twbwctwcryi ik flk g&oyxqbfi+

    Lit dokdiuwt gi lb @bwqctiTwbwctwcryi git Uqodittyt -@TU#

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    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    41 gcwcokt gOqfbkctbwcok

    2+ Lit 9 @ gy uqodittyt

    Woyt lit uqodittyt, ryilt ryclt tocikw, tokw ckdbubalit gi uqogycqiwoyjoyqt i}bdwi`ikw li ``i uqogycw+ Dilb woyt lit ouqbwiyqt litbxikw acik iw ditw gbclliyqt yk git uqoal`it uqckdcuby} by}ryiltlit qfliyqt tokw dokhqokwt woyt lit joyqt+

    Ryilli ryi tocw lb `bdmcki wygci, lb dbqbdwqctwcryi oatiqxi, okkowi woyjoyqt yki gctuiqtcok gbkt lb qubqwcwcok gi lbdbqbdwqctwcryi+ Yki dowi tyq yk low gi ucdit ki hiqb jb`bcti}bdwi`ikw 25 ``, `bct tiqb qubqwci ikwqi 3,36 iw 25,54 `` ubqi}i`uli+ Yk low gi qtctwbkdit lidwqcryit gokw lb xbliyq ko`ckbli itw

    gi 25 om`t, byqb ik hbcw git xbliyqt do`uqctit ikwqi 3,3 iw 25,2 om`t+Diwwi xbqcbaclcw itw ckdokwoyqkbali iw cl hbyw wqi dbubali gi xcxqibxid +

    Dit xbqcbwcokt uqoxcikkikw gi l&ikti`ali gy uqodittyt giuqogydwcok+ L&bkblsti git uqodittyt gi hbaqcdbwcok uiq`iw gi gcttodciq9 l`ikwt l`ikwbcqit ryc dokwqcayikw dqiq diwwi gctuiqtcok+ Okgtcfki fkqbli`ikw ubq lit 9 @ dit 9 dbytit hokgb`ikwblitqituoktbalit gi gctuiqtcok, iw gokd gi kokryblcw :

    Hcfyqi 2 Lit 9 @ gy Uqodittyt

    Lb `wmogi @TU b uoyq oajidwch lb `bwqcti git uqodittyt ik ubqwbkwgi lbkblsti gi dit 9 @+ Illi buuoqwi yki ulyt fqbkgi qcfyiyq iw gitoywclt `wmogolofcryit ryc xokw bcgiq lit ouqbwiyqt iw lb `bwqctigbkt liyq wdmi gb`lcoqbwcok gi lb ryblcw+

    @wmogit

    @bwcqi

    @clciy

    @bdmcki

    @bckg&yxqi

    Fb``i @bdmcki

    @bckgyxqi

    @bwcqi

    @wmogit

    @clciy

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    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 44

    Iw lb `ityqi "

    Koyt bxokt doywy`i gi ki ubt ulbdiq lb @ityqi ubq`c lit @+ Ik

    ihhiw, lb `ityqi ki `ogcfli ubt lb xqbci gctuiqtcok xikgyi by dlcikw,`bct l&c`bfi ryi l&ok b gi diwwi gctuiqtcok+ Lb gctuiqtcok xyi gbkt ykmctwofqb``i tiqb lb to``i gi lb xqbci gctuiqtcok gi lbuqogydwcok iw gi lb gctuiqtcok gyi l&cktwqy`ikw gi ityqi+ Oq di rycdqi lb kok ryblcw, di k&itw ubt lb gctuiqtcok xyi `bct lb gctuiqtcokxqbci+Lb `ityqi itw yk uqodittyt lyc woyw tiyl bxid tit uqouqit 9@+ Ykuqblbali lb `bwqcti g&yk uqodittyt gi hbaqcdbwcok iw lb `bwqcti gyuqodittyt gi `ityqi+

    1+ Bkblsti gi lb hoq`i gi lb gctuiqtcok

    1+2+ Qubqwcwcok ik hoq`i gi dlodmi

    L&bkblsti git uqogydwcokt tyq yki `bdmcki `okwqi ryi, ik l&batikdigi gqflbfi, lb qubqwcwcok git uqogycwt tycw yki doyqai ik dlodmitilok yki loc : lb loc koq`bli+ Ok wqoyxi fbli`ikw g&bywqitbuuillbwcokt uoyq diwwi loc willi ryi loc gi Fbytt, loc gi Lbulbdi Fbytt,`bct koyt ki qikwqiqokt ubt gbkt lit gwbclt twbwctwcryit by doyqt gidi dmbucwqi+

    Hcfyqi 1 Doyqai ik dlodmi

    `osikki

    dbqw wsui

    @ogli :

    loc gi Fbytt

    Oatiqxbwcokg&yk dmbkwcllok

    Gctuiqtcok 0 8

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    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    47 gcwcokt gOqfbkctbwcok

    Diwwi qubqwcwcok ti qikdokwqi wqt hqryi``ikw gbkt lb kbwyqi iw ubttiyli`ikw gbkt li dbt git `bdmckit gi uqogydwcok+ Bcktc, lb mbywiyqgit mo``it ik Iyqoui tycw yki willi qubqwcwcok+ Gi ko`aqiytituiqtokkit `ityqikw bywoyq gi 2,64 ` -lb `osikki# `bct uiyg&mo``it `ityqikw by} ikxcqokt gi 2,39 ` oy gi 2,95 `+ Liwmoq`i twbwctwcryi l&oqcfcki gi diwwi dokxiqfikdi xiqt lb lockoq`bli itw buuil wmoq`i dikwqbl lc`cwi + Ok uiyw l&dqcqi toytlb hoq`i tycxbkwi : Woyw tstw`i, toy`ct gi ko`aqiy} hbdwiyqt,ckguikgbkwt lit ykt git bywqit, iw g&yk oqgqi gi fqbkgiyqrycxblikw, fkqi yki loc koq`bli+

    Gbkt li dbt g&yki `bdmcki gi uqogydwcok, koyt to``it acik gbkt li

    dbgqi gi di wmoq`i+ Ik ihhiw, gi ko`aqiy} hbdwiyqt -lit 9@#bfcttikw tyq lb dbqbdwqctwcryi+ Dit hbdwiyqt tokw ik fqbkgi ubqwcickguikgbkwt iw l&oqgqi gi fqbkgiyq gi dit ihhiwt itw hbcali gbkt ykuqodittyt bwqct+

    Gtoq`bct, loqtryi koyt ubqliqokt gi lb uqogydwcok g&yki `bdmcki,koyt lb `oglctiqokt ubq yki doyqai ik dlodmi, gokw lit giy}dbqbdwqctwcryit c`uoqwbkwit tiqokw lb uotcwcok iw l&dmilli+

    Lb uotcwcok `osikki -kowi # git ucdit gokki yki aokki

    ckgcdbwcok gi lb uotcwcok gi qflbfi gi lb `bdmcki+ qiuqtikwi lb`osikki gi l&dmbkwcllok bloqt ryi qiuqtikwi lb xqbci `osikki gilb uqogydwcok -xocq bkki}i twbwctwcryi#+

    Uoyq `ityqiq lc`uoqwbkdi git xbqcbwcokt bywoyq gi lb `osikki-hbdwiyq g&dmilli#, cl tyhflw gi `ityqiq lb lbqfiyq gi abti gi lb doyqai+Lb lbqfiyq gi abti gi lb doyqai itw buuili : gctuiqtcok+ Koytxiqqokt ulyt lock ryi l&ok gflkcw diwwi lbqfiyq gi abti gi lb doyqaiubq yk dbldyl twbwctwcryi G 0 8+ Gbkt di dbt fbli`ikw koyt gixqokt

    gchhqikwciq ryc itw li xqbc dbqw wsui gi lb uouylbwcok iw T ryc itwl&itwc`bwiyq gi di dbldyl ubqwcq git gokkit gi l&dmbkwcllok+

    Iw tc lb doyqai oawikyi k&itw ubt yki dlodmi?

    Uoyq lb ulyubqw git dbqbdwqctwcryit oawikyit ik uqogydwcok, okgixqbcw oawikcq yki doyqai ik dlodmi+ Cl s b ryilryit i}diuwcoktdo``i lit ghbywt gi hoq`i oy lit ghbywt gi uotcwcok o cl itwkoq`bl gi ki ubt oawikcq yki doyqai ik dlodmi+ @bct dit dbt toqwikwgi l&oajidwch gi di dmbucwqi+

    ]

    ]

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    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 49

    Hcfyqi 4 Doyqai ac`ogbli

    Gbkt lit dbt wqbgcwcokkilt, tc yki gctwqcaywcok kb ubt lb doyqai ikhoq`i gi dlodmi, ditw rycl ti ubtti ryilryi dmoti, li wmoq`idikwqbl lc`cwi k&itw ubt xqcfl+ Cl s b gokd yk -oy ulytciyqt# hbdwiyqryc bfcw bxid yk oqgqi gi fqbkgiyq ulyt c`uoqwbkw ryi lit bywqit+ Li

    uqodittyt kitw ubt qfl tyq lb `i uotcwcok+ Ik ihhiw, tc lok uqogycw95 ucdit qflit tyq lb xbliyq 4, iw 95 ucdit qflit tyq .4, okoawcikw lb doyqai flfyqi 4+

    Cl itw gokd c`uoqwbkw loqtryok qifbqgi yki gctwqcaywcok gi acikxqcfliq ryi lb doyqai lb hoq`i gyki dlodmi+ Tc di kitw ubt li dbtditw uqoabali`ikw li tcfki ry&yk oy ulytciyqt gqflbfit c`uoqwbkwtti tokw uqogycwt uikgbkw lb uqogydwcok+

    1+1+ Dbytit do``ykit Dbytit tudcblit

    Ok tbcw ryi gbkt yki uqogydwcok, giy} ucdit ki tokw jb`bctubqhbcwi`ikw cgikwcryit+ Lit gc`iktcokt uqdctit gyki ucdi ytckityq yki `bdmcki oywcl guikgikw gi ko`aqiy} hbdwiyqt+ Cl tiktycwyki gctuiqtcok tyq lb dowi ryi lok uiyw tubqiq ik giy} dbwfoqcit :

    lit gctuiqtcokt gyit by} dbytit do``ykit,

    lit gctuiqtcokt gyit by} dbytit tudcblit+

    4 Dcali .4

    Dbytit Do``ykit

    Uqi`ciqqflbfi

    Dbytitudcbli

    Tidokgqflbfi

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

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    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    48 gcwcokt gOqfbkctbwcok

    Diwwi gcdmowo`ci ikwqi lit dbytit gi gctuiqtcok itw yki git abtithokgb`ikwblit gi lb `wmogi @TU+ Cl dokxcikw gokd gi lit i}ulcdcwiqgbxbkwbfi+

    Hcfyqi 7 Dbytit do``ykit iw dbytit tudcblit

    1+1+2+ Lit dbytit do``ykit

    Di tokw lit ko`aqiytit toyqdit gi xbqcbwcok bwwqcaybalit by mbtbqg

    ryc tokw woyjoyqt uqtikwit git gifqt gcxiqt gbkt gchhqikwtuqodittyt+ Lit twbwctwcryit wbkw lwygi git umko`kit uiqwyqatubq li mbtbqg, ok tbcw `oglctiq li do`uoqwi`ikw git dbytitblbwocqit, iw ubq doktryikw, uqxocq lb uiqhoq`bkdi gyk uqodittytryc kitw toy`ct ry git dbytit do``ykit gi gctuiqtcok+ Gi woywit`bkcqit, dit dbytit wbkw woyjoyqt uqtikwit iw gi ulyt, ik fqbkgko`aqi, cl hbygqb xcxqi bxid + L&ikti`ali gi dit dbytit do``ykithoq`i lb xbqcbaclcw ckwqcktryi gy uqodittyt+ Tc woywit litko`aqiytit dbytit ryc bfcttikw tokw g&yk oqgqi gi fqbkgiyq

    rycxblikw, bloqt lb dbqbdwqctwcryi gocw tycxqi yki qubqwcwcok ikhoq`i gi dlodmi+ Li ayw gi lb @TU tiqb gi ki lbcttiq tyatctwiq ryi litgctuiqtcokt gyit by} dbytit do``ykit+ Ok ubqliqb bloqt gi uqodittyt toyt dokwqli

    I}i`ulit gi dbytit do``ykit :

    jiy} gbkt lb dmbki dck`bwcryi gi lb `bdmcki >

    ghbyw gi lb aqodmi gi lb `bdmcki >

    +++

    Dbytit tudcblit

    Dbytitdo``ykit

    Wolqbkdi@b}c

    Wolqbkdi@ckc

    Dcali

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    8/48

    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 46

    1+1+1+ Lit dbytit tudcblit

    Di tokw lit dbytit gi gctuiqtcok cgikwcflbalit, toyxikw cqqfylcqit iw

    cktwbalit, iw ubq doktryikw gchfldclit uqxocq+ Lbuubqcwcok gykidbyti tudcbli kdittcwi yki ckwiqxikwcok tyq li uqodittyt+Dokwqbcqi`ikw by} dbytit do``ykit, lit dbytit tudcblit tokw ikfkqbl uiy ko`aqiytit+

    I}i`uli gi dbytit tudcblit :

    gqflbfi g&yk oywcl >

    ytyqi g&yk oywcl >

    `byxbcti lyaqcfldbwcok >

    +++

    Ik hbcw, loqtry&ok bkblsti lit dbytit tudcblit ryc ckwiqxcikkikw tyq liuqodittyt, ok t&buiqocw ry&ok uiyw dlbttiq lit dbytit tudcblit ik 1dbwfoqcit -flfyqi 7# :

    dillit ryc bfcttikw tyq lb uotcwcok gi lb xbliyq tyqxiclli-gqflbfi g&yk oywcl ubq i}i`uli# >

    dillit ryc bfcttikw tyq lb gctuiqtcok iw gokd tyq lb dbubaclcw gyuqodittyt -ghbyw gi lyaqcfldbwcok ubq i}i`uli#+

    Lit dbqwit gi dokwqli -gxilouuit by 9# okw uoyq oajidwcht giuqxikcq l&buubqcwcok git dbytit tudcblit iw gi gcttodciq dillit ryc kikdittcwiqokw ry&yk qflbfi gi dillit ryc qctryikw gi `ogcfliq lbdbubaclcw mbacwyilli`ikw qikdokwqi+

    1+4+ Uqodittyt toyt dokwqli iw moqt dokwqli

    Hcfyqi 9 Uqodittyt toyt iw moqt dokwqli

    Uqodittyt

    toyt dokwqli

    Uqodittyt

    moqt dokwqli

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

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    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    4= gcwcokt gOqfbkctbwcok

    Yk uqodittyt toyt dokwqli itw yk uqodittyt gbkt liryil tiylittyatctwikw lit dbytit do``ykit+ Lb qubqwcwcok gi lb uqogydwcok tycwbloqt yki doyqai ik dlodmi iw illi itw dikwqi tyq lb dcali+

    Yk uqodittyt moqt dokwqli itw toy`ct lb uqtikdi gi dbytittudcblit+ Li qtylwbw gi lb uqogydwcok ki tycw gokd ubtkdittbcqi`ikw yki doyqai ik dlodmi iw lb uqogydwcok uiyw wqigdikwqi ubq qbuuoqw lb dcali+

    Lb `bwqcti gi lb xbqcbaclcw gokw koyt bxokt `okwq lb kdittcw gbktli uqi`ciq dmbucwqi doktctwi gokd `iwwqi woyt lit uqodittyt toytdokwqli , d&itw l&oajidwch gi lb @TU+

    4+ Tyqxiclliq yk uqodittyt ubq dbqwitgi dokwqli

    4+2+ Li uqckdcui gi lb dbqwi gi dokwqli

    4+2+2+ Lit lc`cwit kbwyqillit g&yk uqodittyt

    Ok b xy by ubqbfqbumi uqdgikw, ryi lit uqodittyt gi uqogydwcok iw``i woyt lit tstw`it wbcikw toy`ct git xbqcbwcokt kbwyqillitblbwocqit+ Dit xbqcbwcokt okw uoyq oqcfcki gi wqt ko`aqiytit dbytitryi koyt bxokt buuilit lit dbytit do``ykit+

    Dit dbytit do``ykit bfcttikw gi `bkcqi blbwocqi tyq li uqodittytgi hbaqcdbwcok+ Bcktc, lit dbqbdwqctwcryit hbaqcryit ki tokw ubtwoyjoyqt cgikwcryit iw tycxikw yki loc gi Fbytt -wmoq`i dikwqbllc`cwi#+

    Hcfyqi 8 Gctuiqtcok kbwyqilli gy uqodittyt

    Dcali 4 Dcali . 4dcali

    Lc`cwi kbwyqilli

    ckhqciyqi

    Lc`cwi kbwyqilli

    tyuqciyqi

    Gctuiqtcok kbwyqilli

    gy uqodittyt

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    10/48

    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 43

    Tc lb `osikki gi lb uqogydwcok itw dikwqi tyq lb dcali, cl itw gokdkbwyqil gi wqoyxiq git xbliyqt do`uqctit ikwqi 4 dbqwt wsuit -# gidiwwi dcali+ Lit xbliyqt dcali . 4+ iw dcali 4+ qiuqtikwikw litlc`cwit kbwyqillit gy uqodittyt+ Wbkw ry&yki xbliyq itw gbkt ditlc`cwit, cl k&s b ubt gi qbctok g&bfcq tyq li uqodittyt, ok qctryiqbcw gigdikwqiq yk uqodittyt acik dikwq+ Tc yki xbliyq toqw gi dit lc`cwit,ok b yki hoqwi uqoabaclcw ryi li uqodittyt ki tocw ulyt dikwq tyq lbdcali, cl hbyw bloqt li qidikwqiq+

    4+2+1+ Li uclowbfi ubq lit lc`cwit kbwyqillit

    Toyxikw, lit ouqbwiyqt uclowikw lit uqodittyt ubqwcq git lc`cwit gi

    wolqbkdi ulyww ryi g&ywclctiq lit lc`cwit kbwyqillit+ Dilb uiywdokgycqi giy} wsuit g&iqqiyqt cllytwqit ubq lb flfyqi 6+

    Hcfyqi 6 Uclowbfi ubqwcq git wolqbkdit

    Gbkt li dbt 2, uqodittyt dbubali, l&ouqbwiyq uqlxi yki ucdi ryc ti

    tcwyi l&ckwqciyq git wolqbkdit+ Wqbgcwcokkilli`ikw, diwwi ucdi wbkw aokki , cl dokwckyi tb uqogydwcok+ Uoyqwbkw, lb ucdi itw ik gimoqtgit lc`cwit kbwyqillit+ Li uqodittyt k&itw ubt dikwq tyq lb dcali, cl hbywqfliq+

    Gbkt li dbt 1, uqodittyt kok dbubali, l&ouqbwiyq uqlxi yki ucdiryc ti tcwyi l&i}wqciyq git wolqbkdit+ Wqbgcwcokkilli`ikw, diwwiucdi wbkw `byxbcti , cl qfli li uqodittyt+ Uoyqwbkw, lb ucdi itwgbkt lit lc`cwit kbwyqillit+ Cl itw uottcali ryi li uqodittyt tocwubqhbcwi`ikw dikwq+ Gbkt di dbt ok ki gocw ubt woydmiq by uqodittyt+

    Wolqbkdi Wolqbkdi

    Ucdiuqlixi

    Gctuiqtcok Gctuiqtcok

    Dbt 2 Dbt 1Lc`cwi

    KbwyqilliLc`cwi

    KbwyqilliLc`cwiKbwyqilli

    Lc`cwiKbwyqilli

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    11/48

    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    75 gcwcokt gOqfbkctbwcok

    Do``i li `okwqikw lit giy} i}i`ulit uqdgikwt, cl hbyw gcttodciql&bdwcok tyq li uqodittyt -qflbfi# iw l&bdwcok tyq li uqogycw-bddiuwbwcok, wqc, dokwqli#+

    Lit wolqbkdit tiqxikw gwiq`ckiq tc lit ucdit ry&ok xcikw gihbcqi tokw aokkit oy `byxbctit+ Illit tiqxikw bfcq tyq litucdit uoyq gdcgiq gi l&bddiuwbwcok oy gy qihyt git ucdit ryil&ok b hbaqcryit+ Ok qifbqgi ik bqqcqi+

    Lit lc`cwit kbwyqillit tiqxikw gwiq`ckiq tc li uqodittyt gihbaqcdbwcok itw woyjoyqt dikwq tyq lb dcali+ Illit tiqxikw bfcqtyq li uqodittyt uoyq ryi lit uqodmbckit ucdit qblctiq qitwikw

    aokkit+ Ok qifbqgi ik bxbkw+

    Lb flfyqi = `okwqi dlbcqi`ikw l&bxbkwbfi ywclctiq lit lc`cwitkbwyqillit uoyq uclowiq yk uqodittyt ulyww ryi lit lc`cwit giwolqbkdi+ Iw didc ``i gbkt li dbt gi uiwcwit tqcit bxid yk dokwqli 255 )+ Ik ihhiw, koyt bxokt toyxikw ikwikgy diqwbcktdo``ikwbcqit tyq lb @TU wilt ryi : Dilb ki t&buulcryi ubt gbkt`ok ikwqiuqcti, ji hbct git uiwcwit tqcit oy ikdoqi Lit twbwctwcryit`i tokw ckywclit, ji hbct gy dokwqli 255 ) + Koyt `okwqiqokt woywby lokf gi diw oyxqbfi ryi dit qbctokki`ikwt tokw hby} iw uqoyxikwryi lit uiqtokkit ryc wcikkikw dit gctdoyqt k&okw ubt acik do`uqct lit

    hokgi`ikwt gi lb g`bqdmi @TU+

    Hcfyqi = Lc`cwit kbwyqillit iw wolqbkdit

    Doktcgqokt yk uqodittyt ryc hbaqcryi yk low gi 19 uqogycwt byqswm`i gi yk uqogycw ubq miyqi -uiwcwi tqci#+ Dmbryi uqogycw itwdokwql -dokwqli 255 )#+ Tc ok uclowi li uqodittyt ubqwcq gitwolqbkdit, ok bwwikg gi wqoyxiq yk uqogycw moqt wolqbkdi -oy by

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    12/48

    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 72

    xoctckbfi bxbkw g&ckwiqxikcq#+ Tc ok hbcw yk qbctokki`ikw twbwctwcryi,ok kowi aibydoyu ulyt qbucgi`ikw li gdikwqbfi gy uqodittyt -moqtgit lc`cwit kbwyqillit#+ Lit uqogycwt hbaqcryt tokw ulyt uqodmit gi lbdcali, gi iclliyqi ryblcw+ Li dokwqli 255 ) xblcgi lit uqogycwt ryctokw gj hbaqcryt, li qbctokki`ikw twbwctwcryi uqxocw lb ryblcw gituqogycwt ryi l&ok xb hbaqcryiq "

    Gbkt li dbt gi lb flfyqi =, gt li uqogycw k22, koyt bxcokt li tcfkbltwbwctwcryi gi gdikwqbfi, dokflq` ubq li uqogycw 24 -xocq lit qflitik 7+9#+ Cl hbllbcw qidikwqiq li uqodittyt bxbkw gi hbcqi yk uqogycwghidwyiy}+

    Bcktc, ``i gbkt li dbt g&yk dokwqli 255 ) ik uiwcwi tqci, ok b

    ckwqw g&ywclctiq yk qbctokki`ikw twbwctwcryi+

    4+2+4+ Uoyqryoc uqlixiq git dmbkwcllokt ?

    Li wqbxbcl gyk qfliyq doktctwi uqckdcubli`ikw acik qfliq tb`bdmcki, uyct xiclliq di ryi dillidc ki ti gqfli ubt+ Uoyqtyqxiclliq lb uotcwcok, lit qfliyqt okw lmbacwygi gi uqlixiq yki ucdigi wi`ut ik wi`ut iw gi qfliq lb `bdmcki ik hokdwcok gi lb `ityqiryclt okw hbcwi+

    Loqtryi lit dbubaclcwt ki tokw ubt i}dillikwit, diwwi `wmogi dokgycwfkqbli`ikw git iqqiyqt gi jyfi`ikw, dbq ok dokhokg lb gctuiqtcokgi lb `bdmcki bxid tok gdikwqbfi+L&oqcfcki gi dit iqqiyqt gi jyfi`ikw uqoxcikw gi lb gctuiqtcok+ Ik hbcwyki `ityqi ihhidwyi qiuqtikwi lb to``i gi giy} ihhiwt -flfyqi 3# :

    yk ihhiw g&dbqw gi qflbfi gi lb `bdmcki -tstw`bwcryi# > yk ihhiw gi lb gctuiqtcok -blbwocqi#+

    Hcfyqi 3 Bggcwcok gy qflbfi iw gi lb gctuiqtcok

    Wolqbkdi ckhqciyqi Wolqbkdi tyuqciyqi

    @osikki gi

    ulytciyqt xbliyqt

    -ok lc`cki ik ubqwci

    l&ihhiw gi lb gctuiqtcok#

    2 xbliyq0

    gqflbfi.

    gctuiqtcok

    Dcali

    Gqflbfi

    Gctuiqtcok

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    13/48

    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    71 gcwcokt gOqfbkctbwcok

    Uoyq wqi dbubali gi uclowiq yki `bdmcki, cl hbyw bqqcxiq lc`ckiql&ihhiw gi lb gctuiqtcok bflk gi gwiq`ckiq o ti wqoyxi li qflbfi gi lb`bdmcki+ Lb tiyli tolywcok itw gi ki ubt qbctokkiq tyq yki tiylixbliyq, `bct tyq lb `osikki gi ulytciyqt xbliyqt+ Li hbcw gi hbcqi yki`osikki lc`cki ik fqbkgi ubqwci l&ihhiw gi lb gctuiqtcok+

    Lb flfyqi 25 iw lb flfyqi 22 cllytwqikw l&ihfldbdcw g&yki `osikki ubqqbuuoqw yki xbliyq ckgcxcgyilli uoyq gwidwiq yk uiwcw gdikwqbfi+Ik ihhiw, lb gctuiqtcok tyq lit `osikkit itw ulyt hbcali ryi lbgctuiqtcok tyq lit xbliyqt ckgcxcgyillit gbkt yk qbuuoqw gi -bxid kli ko`aqi gi xbliyqt gi l&dmbkwcllok#+ Bcktc, loqtryi li uqodittyt tigdikwqi, do``i gbkt li dbt gi lb flfyqi 22, ok kowi ryi lb

    uqoabaclcw gi toqwcq git lc`cwit kbwyqillit itw tyuqciyqi 95 ) gbktli dbt gi lb `osikki, bloqt ry&illi k&itw ryi gi ryilryit uoyq dikwgbkt li dbt git xbliyqt ckgcxcgyillit+ Ok uqcxclfciqb gokdtstw`bwcryi`ikw yk uqlxi`ikw g&dmbkwcllokt ubq qbuuoqw ykuqlxi`ikw gi xbliyqt ckgcxcgyillit+

    Hcfyqi 25 Uoyxocq gi gwidwcok g&yki `osikki

    k

    Gctuiqtcok

    tyq lb`osikki

    Gctuiqtcok

    Uqoabaclcw gigwidwiq ligdikwqbfi bxidyki tiyli xbliyq

    Lc`cwi kbwyqilli tyqlit xbliyqt ckgcxcgyillit

    Lc`cwi kbwyqillityq lb `osikki

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    14/48

    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 74

    Hcfyqi 22 Ckwqw gi hbcqi yki `osikki

    Cl i}ctwi diuikgbkw git dbt o li uqlxi`ikw g&yk dmbkwcllok k&b ubtgi tikt oy k&itw ubt toymbcwbali+ D&itw li dbt kowb``ikw loqtryi l&oktycw git ubqb`wqit uqodg do``i yk dbqw gi wi`uqbwyqi+Gbkt di dbt, ok qbctokkiqb tyq git xbliyqt ckgcxcgyillit+ Koytwqbcwiqokt di dbt gbkt lit uqodmbckt dmbucwqit+

    4+1+ Lb dbqwi gi uclowbfi -gi dokwqli#`osikki/wikgyi

    Gbkt li ayw g&bcgiq l&ouqbwiyq gwidwiq tc li uqodittyt ry&cl dokgycwki tyacw ryi git dbytit do``ykit oy t&cl s b uqtikdi gi dbytittudcblit, Tmivmbqw2 b, gt li gayw gy 15`i tcdli, `ct by uockw ykoywcl fqbumcryi uiqhoq`bkw buuil : lb dbqwi gi dokwqli+ Koyt bxoktdmoctc gi uqtikwiq gbkt di dmbucwqi lb dbqwi `osikki/wikgyi dbq

    d&itw mctwoqcryi`ikw lb ulyt c`uoqwbkwi iw uqoabali`ikw lb ulytywclcti+ Uoyq yki ywclctbwcok `bkyilli git dbqwit gi dokwqli by uotwigi wqbxbcl ubq yk ouqbwiyq, koyt uqhqokt diuikgbkw ywclctiq lb dbqwi`gcbki/wikgyi ryc itw ulyt tc`uli+

    2+ V+ Tmivmbqw Idoko`cd Dokwqol oh Ryblcws oh @bkyhbdwyqig Uqogydw Xbk Kotwqbkg Do+Ckd Uqckdiwok+ 2342

    Qubqwcwcok git xbliyqtUqoabaclcw gi gwidwiq li

    gdikwqbfi bxid lb osikki

    Uqoabaclcw gi gwidwiqli gdikwqbfi bxid

    yki tiyli xbliyq

    Qubqwcwcok git osikkit

    Lc`cwi kbwyqilli gbktli dbt g&yki `osikki

    Lc`cwi kbwyqilli gbktli dbt g&yki xbliyq

    Wolqbkdi`b}c

    Wolqbkdi`ckc

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    15/48

    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    77 gcwcokt gOqfbkctbwcok

    4+1+2+ Uqckdcui gi qi`ulcttbfi

    Hcfyqi 21 Uqckdcui g&yki dbqwi gi uclowbfi

    Lb flfyqi 27 `okwqi yk i}i`uli gi dbqwi gi dokwqli `osikkit/wikgyit+ Uoyq tycxqi lxolywcok gy uqodittyt, ok uqlxiqfylcqi`ikw -ubq i}i`uli woywit lit miyqit# yk dmbkwcllok giucdit doktdywcxit -ubq i}i`uli 9 ucdit# gi lb uqogydwcok+ Gbktli}i`uli, ok kowi tyq lb dbqwi lit dbqwt ubq qbuuoqw lb dcali+

    Gbwi 14/51

    Miyqi 8m55 8m45 6m55 6m45 =m55 =m45 =m49 3m55 3m45

    @ityqi 2 2 2 2 5 2 5 1 2 1

    @ityqi 1 2 5 5 5 2 1 2 2 2

    @ityqi 4 1 1 2 4 5 4 2 2 2

    @ityqi 7 2 5 2 2 2 1 2 2 5

    @ityqi 9 5 5 5 5 5 4 1 5 5Wowbl 2 4 2 7 4 25 2 5 7

    @osikki 5,1 5,8 5,1 5,= 5,8 1,5 5,1 5 5,=

    wikgyi 4 1 1 4 2 4 7 1 1

    2

    1

    -2

    -1

    5

    1

    7

    8

    @osikki gi l&dmbkwcllok Uockw moqt dokwqli

    Dcali

    Lc`cwi tyuqciyqigi dokwqli

    Lc`cwi tyuqciyqigi dokwqli

    Lc`cwi ckhqciyqigi dokwqli

    @osikkiwikgyit

    Joyqkbl gi aoqg

    wikgyi gi l&dmbkwcllok

    Qflbfi

    Xqchcdbwcok gy qflbfi

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    16/48

    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 79

    Ok dbldyli lb `osikki -kowi # gi lb dbqbdwqctwcryi tyqxiclliq iwok uoqwi diwwi `osikki tyq li fqbumcryi -lit uockwt gbkt l&i}i`uli#+

    Gi ``i, ok dbldyli l&wikgyi tyq l&dmbkwcllok, d&itwgcqi lbgctwbkdi ikwqi lb ulyt hoqwi xbliyq iw lb ulyt hbcali+ Ok uoqwifbli`ikw diwwi xbliyq -kowi Q 0 Qbkfi ik bkflbct# tyq li fqbumcryi+ `ityqi ryi lok uqlxi git dmbkwcllokt, lb dbqwi xb ti qi`ulcq iwgokkiq yki c`bfi gi lxolywcok gy uqodittyt+

    Tyq lb dbqwi git `osikkit, lb lcfki ik uockwcll `bwqcblcti lb xbliyqtyq lbryilli ok toymbcwi wqi qfl -lb dcali#+ Lb lcfki tyuqciyqi itwbuuili lc cwi tyuqciyqi gi dokwqli git `osikkit - #, lb lcfkickhqciyqi itw buuili lc`cwi ckhqciyqi gi dokwqli git `osikkit

    - #+ Lit lc cwit gi dokwqli ckhqciyqi iw tyuqciyqi -lc cwitkbwyqillit gy uqodittyt# gwiq`ckikw yki zoki gbkt lbryilli gocxikwti tcwyiq lit xbliyqt uoqwit tyq lb dbqwi+

    Yk uqodittyt tiqb gcw toyt dokwqli loqtryi lit uockwt tiqokwqubqwct ik hoq`i gi doyqai ik dlodmi l&ckwqciyq git lc`cwit gidokwqli+ Tc yk uockw toqw gi lb dbqwi gi dokwqli, cl hbyw ckwiqxikcq iwkowiq diwwi ckwiqxikwcok gbkt li joyqkbl gi aoqg+ Tyq lb dbqwi gitwikgyit, d&itw li ``i uqckdcui gi hokdwcokki`ikw+

    Hcfyqi 24 Dbqwi by} `gcbkit

    ]

    LTD]

    LCD]

    Du Uu Uun Du Uu UunDbqwiuqdgikwi Dbqwibdwyilli

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    17/48

    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    78 gcwcokt gOqfbkctbwcok

    Lb flfyqi 24 `okwqi yk bywqi i}i`uli gi dbqwi gi dokwqli : Lb dbqwigi dokwqli `gcbki/wikgyi+ Tyq diwwi dbqwi, ok ki hbcw ubt gi dbldyl+Ok kowi lit uockwt `ityqt, iw ok hbcw qittoqwcq lb wikgbkdi dikwqbli ikikwoyqbkw li uockw dikwqbl -lb `gcbki#+ Diwwi dbqwi itw uqhqbali lbdbqwi by} `osikkit gbkt li dbt gi qi`ulcttbfi `bkyil+ Ik ihhiw, acikry&yk uiy `ockt ihfldbdi ryi lb `osikki, illi itw aibydoyu ulyttc`uli qi`ulcq iw ubtti aibydoyu `ciy} byuqt git ouqbwiyqt+Koyt qixcikgqokt tyq diwwi dbqwi gbkt li dmbucwqi 9+ Uoyq lb tycwi gi didmbucwqi koyt koyt hodblctiqokt tyq lb dbqwi lb ulyt dokkyi : lb dbqwi`osikki/wikgyi+

    4+1+1+ @osikki iw wikgyi, giy} hokdwcokt gchhqikwit

    Tyq lb dbqwi gi dokwqli ok ki kowi ubt tiyli`ikw lb `osikki, `bctfbli`ikw l&wikgyi+ Lit giy} fqbumcryit okw yki hokdwcok wqtgchhqikwi dbq clt ki gwidwikw ubt li ``i wsui gi dbytit tudcblit+ Lbflfyqi 27 cllytwqi lit giy} hokdwcokt+ Gbkt li dbt 2, ok kowi yki gqcxigi lb uotcwcok gy uqodittyt, cl hbyw gwidwiq diwwi gqcxi uoyq ki ubthbaqcryiq git ucdit `byxbctit+ Lb dbqwi git `osikkit gwidwiqb litgqcxit gi uotcwcok gy uqodittyt+ Gbkt li dbt 1, li uqodittyt qitwidikwq tyq lb dcali, `bct lb gctuiqtcok ti gfqbgi -ubq i}i`uli yki

    aywi ti gittiqqi iw uqikg gy jiy#+ Cl hbyw fbli`ikw gwidwiq di wsuigi gqcxit dbq cl dokgycw fbli`ikw yki uqogydwcok gi `byxbctiryblcw+ D&itw l&oajidwch gi lb dbqwi gi dokwqli git wikgyit+

    Hcfyqi 27 Dbqwi gi dokwqli git `osikkit iw git wikgyit

    Gqcxi gwidwiubq lb dbqwi

    git osikkit

    Gqcxi gwidwiubq lb dbqwi

    git wikgyit

    Dcali

    Dbt 2 Dbt 1

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    18/48

    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 76

    Lb flfyqi 29 cllytwqi lit giy} wsuit gi dbytit tudcblit+ Gbkt li}i`uligi lb xocwyqi ryc gubtti li dbq, cl s b uqtikdi gi dbyti tudcbli, okkowi di wsui gi dbyti -lit gqflbfit# tyq lb dbqwi git `osikkit+ Ikihhiw, li dmbyhhiyq tikw yki xbqcbwcok gi lb uotcwcok gi tok xmcdylityuqciyqi by} xbqcbwcokt do``ykit iw cl doqqcfi ubq yk doyu gixolbkw+ Ik qixbkdmi, uoyq li}i`uli gi lb dokgycwi mbtbqgiyti g&yk dokgydwiyq ik wbw g&aqcw, cl ks b ubt hoqd`ikw xbqcbwcok gilb uotcwcok `osikki -diqwbckt bqqcxikw qikwqiq "#, cl s b `ogcfldbwcokgi lb gctuiqtcok gy uqodittyt+ Ditw gokd tyq lb dbqwi git wikgyit ryilok kowiqb di wsui gi dbytit tudcblit+

    Hcfyqi 29 Giy} dbqwit uoyq giy} hokdwcokt gchhqikwit

    Lit giy} i}i`ulit uqdgikwt tokw tcfkcfldbwcht+ Gbkt li uqi`ciq dbt,yk qflbfi tyhflw uoyq qb`ikiq li uqodittyt tyq lb dcali, gbkt ligiy}c`i dbt, lb uotcwcok `osikki itw uiywwqi aokki, `bct lbgctuiqtcok gixcikw c`uoqwbkwi+ Cl itw c`uqbwch gbqqwiq li uqodittyt,dbq cl qctryi hoqwi`ikw gi fkqiq gy qiayw "

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    19/48

    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    7= gcwcokt gOqfbkctbwcok

    7+ @cti ik ulbdi git dbqwit gi dokwqli

    7+2+ G`bqdmi G@BCDT

    Hcfyqi 28 @cti ik toyt dokwqli g&yk uqodittyt

    Lb flfyqi 28 cllytwqi lit wbuit gi `cti toyt dokwqli g&yk uqodittyt+Ok kowi tyq di gcbfqb``i lit giy} wbuit uqblbalit wqt c`uoqwbkwitryc tokw :

    gflkcq li dmoc} git dbqbdwqctwcryit tycxqi >

    l&wygi gi lb dbubaclcw gy `osik gi `ityqi+

    Gflkcq@ityqiqBkblstiqDokwqliqTwbkgbqgctiqCkkoxiqB`lcoqiq

    DokwqliqTycxc iw uclowbfi ubq dbqwi gi dokwqli

    Gwidwcok git dbytit tudcblit@cti toyt dokwqli gy uqodittyt

    Ckkoxiq B`lcoqiqQgydwcok gi lb xbqcbaclcw

    Ulbkt gi}uqcikdit, ulbkt uqogycwt @cti ik ulbdi git b`lcoqbwcokt

    GhckcqCgikwchcdbwcok git ubqb`wqit dqcwcryit

    gy uqodittyt

    @ityqiqXqchcdbwcok gi lb dbubaclcw gy `osik gi `ityqi

    @ityqiq

    Oatiqxbwcok gy uqodittyt-Qblctiq yki dbqwi gi dokwqli tbkt lc`cwi#

    TwbkgbqgctiqOuwc`ctbwcok gy uqodittyt,

    Li uqodittyt itw `ct tyq qbclt Gc`ckywcok gi lb hqryikdi git dokwqlit

    BkblstiqQidmiqdmi git toyqdit gi xbqcbaclcw

    Bkblsti git 9 @Bkblsti gi lb xbqcbkdi

    Iwygit git doqqlbwcokt

    Uqoal`it gidbubaclcw

    BkblstiqDbldyl git dbubaclcwt,

    Dmoc} gi lb dbqwi iw dbldyl git lc`cwit gi dokwqli

    B`lcoqbwco

    kdokwckyi

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    20/48

    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 73

    Ik hbcw lb `cti toyt dokwqli g&yk uqodittyt doktctwi tycxqi lbg`bqdmi G@BCDT -Gflkcq, @ityqiq, Bkblstiq, Ckkoxiq, Dokwqliq,Twbkgbqgctiq# gi Tc} Tcf`b+ Lit wbuit Bkblstiq iw B`lcoqiq uoyxbkwubqhoct wqi doyqwdcqdycwit loqtryi lit dbubaclcwt gy uqodittyt tokw

    aokkit+

    7+1+ Gflkcq

    7+1+2+ Li dmoc} git dbqbdwqctwcryit uclowiq ik @TU

    Li ko`aqi gi dbqbdwqctwcryit tycxcit ik uqogydwcok itw ik qflifkqbl wqt c`uoqwbkw iw cl k&itw ubt dokdixbali kc ``i toymbcwbaligi tycxqi woywit lit dbqbdwqctwcryit ubq dbqwit gi dokwqli+ Lbuqi`cqi wbui gbkt lb `bwqcti gi lb xbqcbaclcw doktctwi gokd dmoctcqlit dbqbdwqctwcryit dbkgcgbwit by tycxc ubq dbqwi+

    Ik qfli fkqbli, ok qiwcikw wqoct dqcwqit gi tlidwcok gi ditdbqbdwqctwcryit dbkgcgbwit :

    2+ L&c`uoqwbkdi gi lb dbqbdwqctwcryi uoyq lb tbwcthbdwcok gy dlcikw

    flkbl oy g&yk dlcikw tyq yk uqodittyt bxbl+ Do``i koyt l&bxokttoylcfk gbkt li uqi`ciq dmbucwqi, tiyli do`uwi lb tbwcthbdwcokwowbli gy dlcikw flkbl+ Cl itw gokd ckgctuiktbali gi tlidwcokkiqlit dbqbdwqctwcryit doqqlit hoqwi`ikw by} hokdwcokt bwwikgyitgy uqogycw flkc+

    1+ L&mctwoqcryi gi kokryblcw tyq diwwi dbqbdwqctwcryi+ Cl itw aciktq ckywcli gi tycxqi ubq dbqwi gi dokwqli yki dbqbdwqctwcryiryc k&b jb`bct uot gi uqoal`it gi ryblcw+ Ok uqcxclfciqb litdbqbdwqctwcryit bsbkw gj yk mctwoqcryi gi qiayw, gi qiwoydmi

    oy ryc tokw gchfldclit fbqbkwcq+ Loqt gi l&ckgytwqcblctbwcok, okdmoctcqb lit dbqbdwqctwcryit ryc uowikwcilli`ikw -ik hokdwcok gil&mctwoqcryi gi l&ikwqiuqcti, gi lb uqdctcok gi`bkgi# xokwuotiq git uqoal`it loqt gi lb qblctbwcok+

    4+ Lb doqqlbwcok i}ctwbkwi ikwqi ulytciyqt dbqbdwqctwcryit+ Gbkt lidbt ubq i}i`uli o ulytciyqt dowit tokw qblctit ubq li ``ioywcl, cl s b toyxikw yki hoqwi doqqlbwcok ikwqi lit gchhqikwitdbqbdwqctwcryit+ Cl itw gbkt di dbt ckywcli gi lit tycxqi woywit,yki tiyli dbqwi itw `cti ik ulbdi+

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    21/48

    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    95 gcwcokt gOqfbkctbwcok

    7+1+1+ Lb `bwqcdi g&c`ubdw

    Lb `bwqcdi g&c`ubdw itw yk oywcl uiq`iwwbkw gi dmoctcq lit

    dbqbdwqctwcryit lit ulyt c`uoqwbkwit tycxqi toyt @TU+ L&oajidwch gidiw oywcl iw gi qidmiqdmiq lit dbqbdwqctwcryit ryc okw yk c`ubdw hoqwtyq lb tbwcthbdwcok git dlcikwt+ Cl itw hbdcli`ikw qblctbali ubqwcq g&ykwbaliyq I}dil+

    L&c`ubdw itw kow 2 -Hbcali#> 4 -@osik#> 3 -Hoqw#

    Hcfyqi 26 @bwqcdi gc`ubdw

    I}i`uli

    Gbkt yk uqi`ciq wi`ut ok gokki yki kowi g&c`uoqwbkdi dmbryi dbqbdwqctwcryi dlcikw, uyct ok uokgqi l&c`ubdw gidmbryi dbqbdwqctwcryi l`ikwbcqi tyq lit dbqbdwqctwcryitdlcikwt+I}i`uli : li gcb`wqi 1 gi lb ucdi A c`ubdwi hoqwi`ikw -3# lb

    flbaclcw gy uqogycw iw `osikki`ikw -4# li jiy+ L&c`uoqwbkdi gidiwwi dbqbdwqctwcryi itw bloqt dbldyli ubq :

    C`uoqwbkdi 0 3}9 . 4}4 0 97

    Gbkt yk tidokg wi`ut ik hokdwcok gi l&mctwoqcryi oy gi lbdokkbcttbkdi git i}uiqwt, ok xblyi lb dbubaclcw uqxctcokkilligi dmbryi dbqbdwqctwcryi+

    Ikflk, lit dbqbdwqctwcryit dbkgcgbwit by tycxc @TU tokw ubq`cdillit lit ulyt c`uoqwbkwit uoyq lit dlcikwt iw dillit ryc okw ykidbubaclcw bwwikgyi hbcali+

    Ucdi B Ucdi A

    Dbqbdwqctwcryit dlcikwtyq li uqogycw

    -Woyt lit dlcikwtBtti`albfi, uqogycw

    hckc# C`uoqwbkdi

    Lbq

    fiyq25

    Ubq

    blllct`i

    Mbywiyq=

    Uqo

    hokgiyq1

    Gcb

    `wqi1

    Lok

    fyiyq

    Gcb

    `6wqi7

    Hokdwcokki`ikw toyuli 9 3 3

    Ubt gi jiy xctcali 4 3 4 3 4

    Btti`albfi tbkt hoqdiq 1 4 2 3

    Hcbaclcw 9 4 2 3

    C`uoqwbkdi 61 17 22 16 97 76 2=

    Dbubaclcw uqxctcokilli Uun

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    22/48

    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 92

    7+4+ @ityqiq

    7+4+2+ Lb dbubaclcw git `osikt gi `ityqiDi uockw itw yk uockw ittikwcil gbkt lb qyttcwi gi lb `cti toytdokwqli g&yk uqodittyt+ Cl itw ckywcli gi ulbdiq yki dbqwi gi dokwqlitc lb gctuiqtcok gi l&cktwqy`ikw gi `ityqi oddyui gj lb uqitryiwowblcw gi lb wolqbkdi do``i koyt l&bxokt xy ubqhoct " Lb uqi`cqiwbui doktctwi xqcfliq tc ok tbcw `ityqiq gbkt gi aokkit dokgcwcoktgi quwbaclcw iw gi qiuqogydwcaclcw+ Koyt dokticllokt xcxi`ikw bylidwiyq gi ti qiuoqwiq by dmbucwqi 4 tyq lit dbubaclcwt git `osikt gi`ityqi kowb``ikw gi lb `wmogi Q(Q bxbkw gi `iwwqi ik ulbdi yki

    dbqwi g&oatiqxbwcok+

    7+4+1+ Oatiqxbwcok gy uqodittyt

    Lit dbqwit gi dokwqli okw uoyq oajidwch gi tyqxiclliq ryi lit xbqcbwcoktoatiqxit tyq li uqodittyt ki tokw ubt tyuqciyqit by} xbqcbwcokt koq`blit fkqit ubq lit dbytit do``ykit+ Cl hbyw gokddokkbwqi, bxbkw gi `iwwqi ik ulbdi yki dbqwi gi dokwqli, ryillittokw dit xbqcbwcokt+ D&itw li ayw gi diwwi umbti g&oatiqxbwcok+

    Yki `wmogi wqt tc`uli uoyq qblctiq diwwi umbti g&oatiqxbwcokdoktctwi qi`ulcq yki dbqwi gi dokwqli tyq lbryilli bydyki lc`cwik&byqb w uoqwi+ Lit uqlxi`ikwt tihhidwyikw ubq uiwcwt toytfqoyuit gi wbclli doktwbkwi iw cgikwcryi dilli ryc tiqb qiwikyi uoyqlb dbqwi gi dokwqli -ok uqikg ik fkqbl gi 4 8 ucdit doktdywcxituqlixit gi hbok uqcogcryi ubq i}i`uli woywit lit 29 `ckywit, 1hoct ubq rycui, yk uqlxi`ikw ubq abd+++#+

    Diuikgbkw, bxbkw gi `iwwqi ik ulbdi lb dbqwi g&oatiqxbwcok, cl hbyw

    lc`ckiq by uqblbali woywit lit toyqdit gi xbqcbwcokt uottcalit+Loqtry&ok oatiqxi yk uqodittyt, ok wqoyxi woyjoyqt gi ko`aqiytituiwcwit bdwcokt ryc dokwqcayikw bddqowqi lb xbqcbaclcw do``i ubqi}i`uli :

    lb hbok gokw ok guoti li uqogycw tyq li uotbfi >

    lb hoqdi bxid lbryilli ok tiqqi yk dqoy >

    yk `lbkfi gi uqogycwt g&oqcfcki gchhqikwi >

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    23/48

    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    91 gcwcokt gOqfbkctbwcok

    Uoyq hbcqi di wqbxbcl uqblbali, ok oatiqxi bwwikwcxi`ikw li uqodittyt,iw ok kowi woywit lit ouqbwcokt tytdiuwcalit gi dqiq gi lb xbqcbaclcw+Ok ywclcti uoyq dilb git gcbfqb``it gi uqodittyt, git fll`t Yk hoctlb umbti g&bkblsti wiq`cki, ok dmiqdmi git `wmogit gi wqbxbclkoyxillit ryc lc`ckikw li ulyt uottcali lit xbqcbaclcwt+

    Li ayw gi di wqbxbcl wbkw g&lc`ckiq woywit lit xbqcbaclcwt ryc uiyxikwwqi tyuuqc`it ubq lb tc`uli oatiqxbwcok gy uqodittyt+ Yki hoct diwwiwbui qblcti, ok uiyw `iwwqi ik ulbdi lb dbqwi g&oatiqxbwcok+

    Tlidwcok gi lb wbclli git dmbkwcllokt

    Toyxikw lb wbclli git dmbkwcllokt itw fl}i 9 iw didc uoyq yki qbctok

    mctwoqcryi+ Ik ihhiw, loqtryi lit dbqwit tokw dbldylit lb `bck, lidmchhqi 9 itw uqbwcryi uoyq li dbldyl gi lb `osikki dbq yki gcxctcokubq 9 qixcikw yki `ylwculcdbwcok ubq 1 tycxci g&yki gcxctcok ubq 25+@bct ubqw diwwi hbdclcw gi dbldyl, li dmchhqi 9 k&itw ubt woyjoyqt lidmchhqi li ulyt bgbuw+

    Loqt git uqlxi`ikwt git ucdit, cl hbyw qituidwiq lit dokgcwcoktittikwcillit tycxbkwit :

    2+ lit ucdit lckwqciyq gi dmbdyk git toytfqoyuit gocxikw wqi

    uqogycwit gbkt git dokgcwcokt wqt tc`clbcqit tyq yk wqt doyqwckwiqxblli gi wi`ut+ Cl itw gokd moqt gi ryitwcok ry&yk qflbfibcw lciy l&ckwqciyq g&yk uqlxi`ikw+ @bct, cl itw woyw hbcwuottcali gi qblctiq git doqqidwcokt ikwqi giy} uqlxi`ikwt+

    1+ lb wbclli git dmbkwcllokt gocw gi`iyqiq doktwbkwi uoyq woyt littoytfqoyuit+

    Li dmoc} gi lb wbclli ti hiqb gokd ik qituidwbkw dit giy} dokgcwcokt+ Ik`dbkcryi, li dmchhqi 9 dokxcikw fkqbli`ikw ubqhbcwi`ikw loqtryilb dbubaclcw doyqw wiq`i itw aokki+ Ok wqoyxiqb by dmbucwqi 9yki qfli uoyq gwiq`ckiq lb wbclli gi l&dmbkwcllok ik hokdwcok gi lbdbubaclcw doyqw wiq`i iw git giy} qctryit twbwctwcryit :

    li qctryi gi gqfliq yk uqodittyt acik qfl >

    li qctryi gi ki ubt gwidwiq yk gdikwqbfi+

    Loqtry&ok wqbxbclli tyq git `bdmckit `ylwcuotwit willit ryi litwqbkthiqwt qowbwcht, lit woyqt `ylwcaqodmit, koyt `okwqiqokt ry&cl itwuqhqbali gi uqlixiq git dmbkwcllokt gi wbclli fbli by ko`aqi giuotwit+ Ok uqikgqb ubq i}i`uli 8 ucdit tyq yki `bdmcki

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    24/48

    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 94

    `ylwcaqodmi 8 aqodmit+ L&ckdokxkcikw g&yk ko`aqi wil ryi 8 oy =qtcgi gbkt lit dbldylt gi `osikki ryc kdittcwikw l&ywclctbwcok g&ykidbldyliwwi+ Acik ikwikgy diw ckdokxkcikw gctubqbw tc li dbldyl gitdbqwit b w bywo`bwct ubq yk lofcdcil @TU+

    Hqryikdi gdmbkwcllokkbfi

    Li ayw gy uqlxi`ikw wbkw gi gokkiq yki c`bfi gy uqodittyt tbktuoyq bywbkw `ityqiq woywit lit ucdit, cl hbyw ryi lb hqryikdigdmbkwcllokkbfi gokki yki c`bfi lb ulyt jytwi uottcali gyuqodittyt+

    Hcfyqi 2= Ckdcgikdi gi lb hqryikdi g&dmbkwcllokkbfi

    Tc koyt uqikokt l&i}i`uli gi lb flfyqi 2=, l&c`bfi gi lxolywcokqilli gy uqodittyt xb guikgqi gi lb hqryikdi gdmbkwcllokkbfiryi lok xb dmoctcq+ Cl itw xcgikw ryi lb tolywcok uockwt kocqt itw`iclliyqi ryi lb tolywcok uockwt albkdt + Ok qi`bqryi fbli`ikw

    ryyki hqryikdi ulyt lixi ki gokkiqbcw ryi uiy gckhoq`bwcokttyuul`ikwbcqit+ Cl itw gokd kdittbcqi gi dokkbwqi lb hqryikdigxolywcok gy uqodittyt uoyq gwiq`ckiq lb hqryikdigdmbkwcllokkbfi+

    Diqwbckt bywiyqt uqouotikw git babryit uoyq gwiq`ckiq lb hqryikdigi uqlxi`ikw+ Koyt uqhqokt ik fkqbl tycxqi lb qfli i`ucqcryitycxbkwi : lb hqryikdi git bdwcokt doqqidwcxit tyq ykuqodittyt gocw wqi by `ockt rybwqi hoct ulyt hbcali ryi lb

    hqryikdi gi uqlxi`ikw +

    xolywcok qilligy uqodittyt

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    25/48

    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    97 gcwcokt gOqfbkctbwcok

    I}i`ulit

    Li uqodittyt itw bttiz twbali, cl kdittcwi ik `osikki yki bdwcok

    -qflbfi, dmbkfi`ikw g&oywcl+++# ubq gi`cjoyqki+ Yki hqryikdi giuqlxi`ikw g&yk dmbkwcllok ubq miyqi dokxcikw gbkt di dbt+

    Yk bywqi uqodittyt kdittcwi ik `osikki yki bdwcok ubq miyqi+ Clhbygqb bloqt ubttiq yk uqlxi`ikw woyt lit rybqwt g&miyqi+

    Ik fkqbl, ok dmoctcw yki hqryikdi qilbwcxi`ikw lixi by gayw gilb cti ik ulbdi gyki dbqwi iw, `ityqi ryi lok b`lcoqi lb twbaclcw,ok gc`ckyi lb hqryikdi gi uqlxi`ikw+Uoyq bhflkiq gt lb `cti ik ulbdi git dbqwit gi dokwqli lb hqryikdi

    gi uqlxi`ikw, cl hbyw batoly`ikw kowiq gyqbkw lb umbtig&oatiqxbwcok woywit lit bdwcokt iw woyt lit ckdcgikwt ckwiqxikbkwt tyqli uqodittyt+

    Ko`aqi gi toytfqoyuit kdittbcqit

    Uoyq bxocq yki aokki c`bfi gi lb xbqcbaclcw kbwyqilli gy uqodittyt, clhbyw bxocq tyhfltb``ikw gi qilixt+ Ik ihhiw, tc koyt koyt tbwcthbctoktgi 9 dmbkwcllokt ubq i}i`uli, lb flbaclcw git gokkit gi abti uoyqlit dbldylt git dbqwit tiqbcw gi ucwqi ryblcw+ Cl hbyw bwwikgqi g&bxocq

    tyhfltb``ikw gi gokkit+ Loqtryi lb uqi`cqi dbqwi tbkt lc`cwi itwqi`ulci, dilb doqqituokg fkqbli`ikw yki xckfwbcki g&dmbkwclloktryc qiuqtikwikw yki dikwbcki g&ckhoq`bwcokt ckgcxcgyillit+ Dilbtyhflw uoyq gokkiq yki aokki c`bfi gy uqodittyt+

    Gyqbkw lb umbti g&oatiqxbwcok, ok dbldyliqb uoyq dmbryi toytfqoyuiuqlix :

    lb osikki gy toytfqoyui c>

    ldbqw wsui oy l&wikgyi -tycxbkw lb dbqwi dmoctci# gy toyt

    fqoyui c+Koyt qido``bkgokt gi qiuqtikwiq lit gokkit oatiqxit tyq litfqbumcryit git `osikkit iw git wikgyit+ Diwwi qiuqtikwbwcokgokkiqb yki acik `iclliyqi cgi gy do`uoqwi`ikw gy uqodittyt, ikl&batikdi gi uclowbfi ubq dbqwit gi dokwqli, ry&yki tqci gi dmchhqit+

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    26/48

    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 99

    Hcfyqi 23 Dbqwi g&oatiqxbwcok -dbqw ik dikwc`i ) lb dcali#

    7+7+ Bkblstiq

    7+7+2+ Dbldyl git dbubaclcwt

    Dokkbcttbkw lb xbqcbaclcw kbwyqilli gy uqodittyt, koyt uoyqqokt bloqtdmoctcq iw dbldyliq lit dbqwit gi dokwqli bgbuwit lb dbqbdwqctwcryitycxci+ Ik ywclctbkw lit gokkit gi lb dbqwi g&oatiqxbwcok, cl tiqb

    2 1 4 7 9 8 6 = 3 25 22 21 24 27 29 28 26 2= 23 15

    ]2 6 1 2 5 -2 9 2 5 5 2 4 1 5 1 4 5 2 -2 7 2

    ]1 1 -4 4 5 1 1 4 5 2 1 2 5 5 4 5 2 -2 -2 5 -2

    ]4 2 5 2 -2 2 2 2 2 1 7 2 5 4 1 2 4 -2 4 -2 5

    ]7 2 2 -1 2 4 4 4 1 1 4 4 4 5 4 -2 5 -1 1 5 4

    ]9 5 -2 1 1 5 1 5 4 -2 1 -4 5 1 -2 2 4 5 5 1 1

    ]a 1+1 -5+1 2+5 5+7 2+5 1+8 2+8 2+1 5+= 1+7 2+5 2+5 2+5 2+= 5+= 2+7 -5+8 5+8 2+5 2+5

    Q 6 9 9 4 7 7 4 4 4 4 8 4 4 7 7 4 4 7 9 7

    -4+5

    -1+5

    -2+5

    5+5

    2+5

    1+5

    4+5

    2 1 4 7 9 8 6 = 3 25 22 2 1 24 2 7 29 2 8 2 6 2= 2 3 15

    2 1 4 7 9 8 6 = 3 25 22 21 24 27 29 28 26 2= 23 15

    2 1 4 7 9 8 6 = 3 25 22 21 24 27 29 28 26 2= 23 15

    ]

    Q

    4+5

    1+5

    2+5

    5+5

    2+5

    1+5

    4+5

    =

    8

    7

    1

    5

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    27/48

    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    98 gcwcokt gOqfbkctbwcok

    fbli`ikw uottcali gi dbldyliq git ckgcdbwiyqt gi dbubaclcw tyq liuqodittyt+ Koyt qixcikgqokt fbli`ikw ik gwbcl tyq diwwi wbui gbktli ubqbfqbumi tycxbkw+ Yk dmbucwqi do`uliw gi diw oyxqbfi itwfbli`ikw doktbdq by} dbldylt git dbubaclcwt+

    B di twbgi giy} dbt uiyxikw ti uqogycqi :

    Li uqodittyt itw gdlbq dbubali iw cl itw gokd uottcali gi uclowiqgcqidwi`ikw ik ywclctbkw lb dbqwi dmoctci ik ubttbkw l&wbui Dokwqliq

    Li uqodittyt k&itw ubt gdlbq dbubali+ Cl itw rybkg `i woyw hbcw uottcali iw ``i toymbcwbali gi uclowiq li uqodittyt ubqwcqgit lc`cwit kbwyqillit, `bct cl hbyw bloqt `iwwqi ik ulbdi ik

    ubqbllli lb dbqwi gi dokwqli yk dmbkwciq xctbkw qgycqi diwwixbqcbaclcw bxid lit wbuit Bkblstiq iw Ckkoxiq +

    7+7+1+ Dbldyl git dbqwit gi dokwqli

    Buqt bxocq qblct lb umbti g&oatiqxbwcok gy uqodittyt, koyt gixoktfl}iq lit lc`cwit gbkt litryillit cl itw kbwyqil, gy hbcw git dbytitdo``ykit, ryi li uqodittyt xbqci+ Cl hbyw wbalcq 1 dbqwit gi dokwqli :

    dbqwi git `osikkit uoyq tyqxiclliq li qflbfi gi lb doktcfki >

    dbqwi git wikgyit uoyq tyqxiclliq lb dbubaclcw gy uqodittyt+Uoyq dmbryi dbqwi gi dokwqli, koyt gixokt dbldyliq lit xbliyqt`osikkit bcktc ryi lit lc`cwit gi dokwqli ckhqciyqit iw tyuqciyqit+

    Dbldyl gi l&wikgyi `osikki tyq lit dmbkwcllokt

    B ubqwcq git xbliyqt qidyicllcit gyqbkw lb umbti g&oatiqxbwcok, koytuoyxokt dbldyliq lb `osikki git wikgyit :

    0 5,57

    Bxid

    Qc: wikgyi gy toytfqoyui c

    n : ko`aqi gi toytfqoyuit

    Lb `osikki git wikgyit itw wqt c`uoqwbkwi dbq illi ckgcryil&c`uoqwbkdi gi lb xbqcbaclcw kbwyqilli gy uqodittyt+

    QQ Q Q Q

    nc n0

    . . . . .2 1

    +++ +++

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    28/48

    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 96

    Dbldyl git lc`cwit gi dokwqli

    Lit lc`cwit gi dokwqli ti dbldylikw ik ywclctbkw lit hoq`ylit tycxbkwit :

    Uoyq lb dbqwi git `osikkit

    Lc`cwi gi dokwqli tyuqciyqi :

    Lc`cwi gi dokwqli ckhqciyqi :

    Uoyq lb dbqwi gi dokwqli git wikgyit

    Lc`cwi gi dokwqli tyuqciyqi :

    Lc`cwi gi dokwqli ckhqciyqi :

    Lb dcali itw lb xbliyq tyq lbryilli cl hbyw ti dikwqiq+ Illi itw toyxikwfl}i fbli by `clciy gi l&ckwiqxblli gi wolqbkdi+ Uoyq lit uqodittytryc ki uiyxikw wqi dikwqt tyq lb dcali cgbli -dowi qtylwbkw g&yk`oyli ubq i}i`uli#, ok fl}i lb dcali tyq lb `osikki git `osikkit- # gi lb dbqwi g&oatiqxbwcok+

    Lit doihfldcikwt B1, G4, G7 tokw hokdwcok gi lb wbclli git dmbkwcllokt+Koyt `okwqiqokt gbkt li dmbucwqi 9 l&oqcfcki gi dit doihfldcikwt+

    Hcfyqi 15 Wbaliby git doihhcdcikwt uoyq li dbldyl git dbqwit

    I}i`uli gi dbldyl g&yki dbqwi gi dokwqli

    Uqikokt li dbt g&yki dowi, oawikyi tyq `bdmckioywcl, gi xbliyqko`ckbli 25 `` iw g&ckwiqxblli gi wolqbkdi 5,2 ``+ Lit dmbkwcllokt

    uqlixt tokw git fqoyuit gi 9 ucdit+

    B l&cttyi gi lb umbti g&oatiqxbwcok gy uqodittyt, koyt bxokt dbldyl lb`osikki git wikgyit gi dmbryi toytfqoyui 0 5,57

    Do``i cl itw uottcali gi uclowiq lb dbqbdwqctwcryi uoyq lb qb`ikiq tyqlb dcali, ok fl}i lb dcali tyq li `clciy gi l&ckwiqxblli gi wolqbkdi tocw25,55+

    k 1 4 7 9 8 6 = 3 25

    B1 2,== 2,51 5,64 5,9= 5,7= 5,71 5,46 5,47 5,42

    G4 5,56 5,27 5,2= 5,11

    G7 4,16 1,96 1,1= 1,22 1,55 2,31 2,=8 2,=1 2,6=

    LTD Dcali B Q]

    0 . 1+

    LCD Dcali B Q]

    0 1+

    LTDQ

    G Q07+

    LCDQ

    G Q04+

    ]

    Q

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    29/48

    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    9= gcwcokt gOqfbkctbwcok

    Dmoc} git doihfldcikwt

    Lit fqoyuit wbkw gi 9 ucdit, koyt uqikokt lit doihfldcikwtB1, G4, G7

    gbkt lb dolokki 9 B1 0 5,9= G4 0 G7 0 1,227Ik buulcrybkw lit hoq`ylit koyt wqoyxokt :

    Lc`cwi tyuqciyqi gi dokwqli git `osikkit

    Lc`cwi ckhqciyqi gi dokwqli git `osikkit

    Tc ok qbctokki ik dbqwt ubq qbuuoqw lb dcali, lit lc`cwit t&dqcxikw :

    Lc`cwi tyuqciyqi gi dokwqli git wikgyit

    Cl k&s b ubt gi lc`cwi ckhqciyqi uoyq git fqoyuit gi 9 ucdit+

    Hcfyqi 12 I}i`uli gi dbqwi gi dokwqli ]abqQ

    Lb flfyqi 12 `okwqi lb dbqwi goatiqxbwcok tyq lbryilli ok b ulbd litlc`cwit kbwyqillit -lc`cwit gi dokwqli#+ Cl buubqbw tyq lb dbqwi git`osikkit giy} uockwt ryc toqwikw git lc`cwit iw yki tqci gi uockwt

    LTD

    ]}0 . 025 55 5 9= 5 57 25 514, , , ,

    LCD

    ]}0 025 55 5 9= 5 57 3 366 , , , ,

    LD] }

    0 0 5 9= 5 57 1 16= , , +

    LTD } Q 0 01 227 5 57 5 5=9, , ,

    232629242236942

    1

    2

    5

    2

    1

    __

    wikgyit

    @osikkit

    232629242236942

    =

    8

    7

    15

    22

    Dbqwi ]abqQ

    dmbkwcllok

    YDL01+16=

    LDL01+16=

    ]05

    YDL0=+491

    _Q04+39

    LDL05

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    30/48

    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 93

    woyjoyqt gy dow tyuqciyq lb dcali+ Dilb w`ocfki gi lb uqtikdigyki dbyti tudcbli -yk gdikwqbfi cdc# ryc `qcwiqbcw yk qidikwqbfigi lb uqogydwcok tyq lb dcali+

    7+9+ Dokwqliq

    7+9+2+ Uclowbfi gy uqodittyt ubq dbqwit gi dokwqli

    Loqt gi diwwi umbti, li uqodittyt itw uclow ik oatiqxbkw lit dbqwit gidokwqli+ Uoyq yki ihfldbdcw `b}c`bli git dbqwit gi dokwqli, cl itwckgctuiktbali ryi lit gdctcokt g&bdwcokt tyq li uqodittyt tocikwgcdwit ubq lit dbqwit+ Li uclowbfi ubq dbqwit gi dokwqli gocw tityatwcwyiq iw kok t&bggcwcokkiq by} `wmogit i`ucqcryit gi uclowbfi+Diwwi qi`bqryi uqblbali uiyw ti`aliq bkogcki, illi itw uoyqwbkwhokgb`ikwbli+ Gi wqt ko`aqiytit buulcdbwcokt gi dbqwit gi dokwqliokw dmoy hbywi g&bxocq `ct ik uqbwcryi diwwi qi`bqryi+

    Hcfyqi 11 @wmogi gi uclowbfi

    Lb umbti gi uclowbfi doktctwi gokd oatiqxiq lit dbqwit, lit ckwiquqwiqbflk gi gwidwiq l&buubqcwcok gi dbytit tudcblit iw gi qbfcq bxbkw gifkqiq git uqogycwt moqt tudcfldbwcok+ Lit ckwiquqwbwcokt git dbqwitgi dokwqli tokw qilbwcxi`ikw tc`ulit, cl tyhflw gi dokkbwqi litryilryit tcwybwcokt gi abti+

    L&ckwiquqwbwcok gi lb dbqwi git wikgyit itw gchhqikwi gi lb dbqwi git`osikkit+ L&yki tyqxiclli li qflbfi gy uqodittyt, l&bywqi tyqxiclli lbgctuiqtcok gy uqodittyt+

    Uqlixiq yk dmbkwcllok gi ucdit doktdywcxit iw tbkt ckwiqxikwcok

    @ityqiq lit ucdit iw qiuoqwiq lit uockwt tyq lb dbqwi gi uclowbfi

    Ckwiquqwiq li fqbumcryi ik ywclctbkw lit qflit g&ckwiquqwbwcok-hcfyqi 14#

    Buulcryiq li wbaliby gi gdctcok -hcfyqi 17#Ik dbt gi qflbfi, buulcryiq lb qfli gi xqchcdbwcok git qflbfit

    @wmogi gi uclowbfi

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    31/48

    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    85 gcwcokt gOqfbkctbwcok

    Loqtryok bkblsti git dbqwit gi dokwqli, cl hbyw woyjoyqt do``ikdiqubq lb dbqwi gi tyqxicllbkdi gy ubqb`wqi gi gctuiqtcok+ Ik ihhiw, tc lbgctuiqtcok gy uqodittyt byf`ikwi, cl hbyw bqqwiq woyw gi tycwi lb`bdmcki, dbq lb dbubaclcw doyqw wiq`i itw ik wqbck gi dmywiq+ Ubqdokwqi, yki xbqcbwcok tyq lb dbqwi git `osikkit ti qtoygqb toyxikwubq yk qflbfi+

    Hcfyqi 14 Lit qflit gi uclowbfi git dbqwit gi dokwqli

    Fqbumcryi GitdqcuwcokGdctcok

    dbqwi git `osikkitGdctcok

    dbqwi git wikgyit

    Uqodittyt toyt dokwqli

    Lit doyqait ]iw Q otdcllikw gi dmbryi dwgi lb `osikki+

    1/4 git uockwt tokw gbkt

    li wciqt dikwqbl gi lbdbqwi+

    Uqogydwcok Uqogydwcok

    Uockw moqt lc`cwit

    Li giqkciq uockw wqbd bhqbkdmc yki lc`cwi gidokwqli+

    Qfliq li uqodittyt

    gi lb xbliyq gi l&dbqw ryc tubqi li uockw gi lb xbliyq dcali+

    Dbt lc`cwi tyuqciyqi Lb dbubaclcw doyqw wiq`i ti g

    wqcoqi+ Cl hbyw wqoyxiq l&oqcfcki gidiwwi gwqcoqbwcok iw ckwiqxikcq+

    Cl s b yki iqqiyq gi `ityqiDbt lc`cwi ckhqciyqi

    Lb dbubaclcw doyqw wiq`i t&b`lcoqi

    Li tstw`i gi `ityqi itw alory

    Wikgbkdi tyuqciyqioy ckhqciyqi

    6 uockwt doktdywcht tokwtyuqciyqt oy ckhqciyqt lb `osikki +

    Qfliq li uqodittyt

    gi l&dbqw `osik ryc tubqi lbwikgbkdi lb xbliyq dcali

    Dbt wikgbkdi tyuqciyqi Lb dbubaclcw doyqw wiq`i ti g

    wqcoqi+ Cl hbyw wqoyxiq l&oqcfcki gi

    diwwi gwqcoqbwcok iw ckwiqxikcq+Dbt wikgbkdi ckhqciyqi Lb dbubaclcw doyqw wiq`i t&b`

    lcoqi+ Cl hbyw wqoyxiq l&oqcfcki gidiwwi b`lcoqbwcok uoyq lb `bckwikcq+

    Wikgbkdi dqocttbkwioy gdqocttbkwi

    6 uockwt doktdywcht tokwik byf`ikwbwcok qfylcqi oy ik gc`ckywcok qfylcqi+

    Qfliq li uqodittyt

    tc li giqkciq uockw buuqodmi litlc`cwit gi dokwqli gi l&dbqwryc tubqi li giqkciq uockw lbxbliyq dcali

    Dbt tqci dqocttbkwi Lb dbubaclcw doyqw wiq`i ti g

    wqcoqi+ Cl hbyw wqoyxiq l&oqcfcki gidiwwi gwqcoqbwcok iw ckwiqxikcq+

    Dbt tqci gdqocttbkwi Lb dbubaclcw doyqw wiq`i t&b`

    lcoqi+ Cl hbyw wqoyxiq l&oqcfcki gidiwwi b`lcoqbwcok uoyq lb `bckwikcq+

    2 uockw uqodmigit lc`cwit

    Li giqkciq uockw wqbd titcwyi gbkt li 2/8 by aoqggi lb dbqwi gi dokwqli

    Dokhcq`iqik uqlixbkw c``gcbwi`ikwyk bywqi dmbkwcllok+Tc li uockw qixcikw gbkt li wciqtdikwqbl uqogydwcokTc li uockw itw fbli`ikw uqodmi git lc`cwit oy moqt lc`cwit,qfliq gi lb xbliyq `osikkigit giy} uockwt

    Dbt lc`cwi tyuqciyqiTyqxiclliq lb dbubaclcw

    Tc ulytciyqt uockwt gi lb dbqwi tokwfbli`ikw uqodmit gi lb lc`cwi tyuqciyqi, lb dbubaclcw ti gwqcoqi+Cl hbyw wqoyxiq l&oqcfcki gi diwwi gwqcoqbwcok iw ckwiqxikcq+

    Ik dbt gi qflbfi : yk koyxil dmbkwcllok itw `ityq iw `bqry tyq lb dbqwi+ Uoyq wqi bddiuwbali, li uockw gocw ti tcwyiqgbkt li wciqt dikwqbl gi lb dbqwi git `osikkit

    LCD

    LTD

    LTD

    LCD

    LTD

    LCD

    LTD

    LCD

    LTD

    LCD

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    32/48

    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 82

    7+9+1+ Gdctcok tyq lb uqogydwcok

    Ik hokdwcok gi l&dmbkwcllokkbfi ryc b w qblct, cl hbyw gdcgiq tc lb

    uqogydwcok uiyw wqi bddiuwi oy tc illi gocw gokkiq lciy yk wqc+ Uoyquqikgqi diwwi gdctcok, cl hbyw wikcq do`uwi gi lb dbubaclcw doyqw wiq`i

    gy uqodittyt i}uqc` ubq li Du -xocq ubqbfqbumi 9 gi di dmbucwqi#+ Li

    wbaliby flfyqi 17 gokki lit qflit buulcryiq+ Ik dbt gi `byxbcti

    dbubaclcw -Du < 2,44#, ok gocw tstw`bwcryi`ikw wqciq lb uqogydwcok

    uoyq oawikcq yk qtylwbw doqqidw+ Ik dbt gi aokki dbubaclcw

    -Du ; 2,86#, ok uiyw uqogycqi tbkt wqciq ``i tc ok doktwbwi yk uockw

    moqt dokwqli+ Gbkt lit dbt ckwiq`gcbcqit -2,44 < Du < 2,86#, ok ki wqci

    lb uqogydwcok ryi gbkt lit dbt o ok doktwbwi yk uockw moqt dokwqli+

    Hcfyqi 17 Wbaliby gi gdctcok

    Xbliyq gy Du oatiqx tyq lit dbqwit uqdgikwit

    Li giqkciq uockwtyq lb dbqwi gi

    dokwqli ckgcryi :Duckhqciyq 2,44

    Dudo`uqct ikwqi2,44 iw 2,86

    Dutyuqciyq 2,86

    Li uqodittyt itw toyt dokwqli

    Dokwqli ykcwbcqi-Wqc 255 )#

    BDDIUWIQlit ucdit

    BDDIUWIQlit ucdit

    Li uqodittyt gixcikw moqtdokwqli

    @BCTwoywit lit xbliyqtckgcxcgyillit gyuqlxi`ikw tokw

    gbkt lit wolqbkdit

    CGIKWCHCIQ iw DOQQCFIQ lb dbyti tudcbli

    Dokwqli ykcwbcqi-Wqc 255 )#

    WQCIQlit do`uotbkwt gi

    uyct li giqkciquockw toyt

    dokwqli gi lbdbqwi gi uclowbfi

    BDDIUWIQlit ucdit

    Li uqodittyt gi

    xcikw moqtdokwqli

    IWyki oy ulytciyqt

    xbliyqt ckgcxcgyillit gy

    uqlxi`ikw tokwmoqt wolqbkdit

    CGIKWCHCIQ iw DOQQCFIQ lb dbyti tudcbli

    Dokwqli ykcwbcqi-Wqc 255 )#

    WQCIQlit do`uotbkwt giuyct li giqkciq uockw toyt dokwqli gi lb dbqwi gi uclowbfi

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    33/48

    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    81 gcwcokt gOqfbkctbwcok

    7+8+ Bkblstiq iw Ckkoxiq

    Ik ubqbllli bxid li tycxc iw li uclowbfi ubq dbqwi gi dokwqli, dit giy}wbuit tokw ckgctuiktbalit lb `cti toyt dokwqli g&ykidbqbdwqctwcryi loqtryi lb dbubaclcw t&bxqi cktyhfltbkwi l&cttyi gi lbumbti @ityqiq + Dit wbuit kdittcwikw l&ywclctbwcok g&oywclttwbwctwcryit qilbwcxi`ikw toumctwcryt wilt ryi lit wygit giqfqittcok, lit ulbkt g&i}uqcikdit ryc ki tiqokw ubt wqbcwt gbkt diwoyxqbfi+ Li lidwiyq uoyqqb bxid ckwqw ti qhqiq kowqi oyxqbfi Tc} Tcf`b, do``ikw l&buulcryiq 1 uoyq bxocq lb gitdqcuwcokgwbclli gi dit wbuit+

    7+6+ Twbkgbqgctiq

    Lit dbqwit wbkw ik ulbdi, cl hbygqb ckwiquqwiq dillitdc bflk gi gwidwiql&buubqcwcok git dbytit tudcblit+ Koyt tiqokt bloqt gbkt lb umbtig&ywclctbwcok git dbqwit gi dokwqli+ L&ywclctbwcok git dbqwit gi dokwqli`owcxi lit ouqbwiyqt iw l&ikdbgqi`ikw b`lcoqiq li uqodittyt iwbcktc, gc`ckyiq lb xbqcbaclcw kbwyqilli gi dilycdc+ Loqtryi diwwixbqcbaclcw byqb gc`cky, cl hbygqb bloqt qidbldyliq lit dbqwit+++ iw

    dokwckyiq b`lcoqiq+ Koyt ikwqokt bloqt gbkt lb umbtig&b`lcoqbwcok dokwckyi ryc itw ik hbcw l&oajidwch gi lb @TU+ Li ayw itwgi `iwwqi li uqodittyt toyt dokwqli, koyt ywclctokt li `ow tyqqbclt uoyq acik c`bfiq li ayw gi di wqbxbcl : lc`cwiq by `b}c`y` liko`aqi g&ckwiqxikwcokt kdittbcqit uoyq `bckwikcq lb dbqbdwqctwcryityq lb dcali+

    Tyq lb flfyqi 28 koyt toylcfkokt lb aoydli g&b`lcoqbwcok dokwckyi+Dmbryi hoct ry&yki b`lcoqbwcok uiq`iw gi twbaclctiq li uqodittyt, okuiyw gc`ckyiq lit dokwqlit, iw bcktc xcwiq yk fbtucllbfi+ Dokwqliqk&buuoqwi ubt gi xbliyq bjoywi by uqogycw, l&cgbl itw gi dokxiqfiqxiqt yki `cti toyt dokwqli bxid li `ckc`y` gi `ityqit+

    Ikflk woywit lit aokkit uqbwcryit ryc okw w `ctit ik ulbdi gbkt liuqojiw gocxikw wqi gyulcryit by} bywqit uqodittyt+ Lit g`bqdmitgi uclowbfi gocxikw wqi hoq`blctit bflk gi fbqbkwcq lb uqikkcw gi lb`cti toyt dokwqli+

    1+ @byqcdi Uclliw Tc} Tcf`b Do``ikw l&buulcryiq gcwcokt g&oqfbkctbwcok 1557

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    34/48

    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 84

    9+ Li dokdiuw gi dbubaclcw -buwcwygi#

    9+2+ Li aitock gi hoq`blctiq yki kowcok fioyi

    Li dokdiuw gi dbubaclcw itw diqwbcki`ikw lb kowcok lb `ciy}qubkgyi gbkt lit bwilciqt gi uqogydwcok+ Ik ihhiw loqtry&ok bkblsti lbulyubqw git dokxiqtbwcokt widmkcryit tyq yk go`bcki gi uqogydwcok,ok t&buiqocw ryi dit gctdyttcokt qixcikkikw toyxikw git uqoal`itgi dbubaclcw+ Lit uqoal`it tokw fkqbli`ikw qb`ikt lb ryitwcoktycxbkwi : di `osik gi uqogydwcok itwcl oyc oy kok bgbuw by}i}cfikdit gy uqogycw ry&cl itw dikt hbaqcryiq ? Iw uoyqwbkw, do`acik

    gi gctdyttcokt twqclit okw lciy tyq li tyjiw dbyti git gcxiqfikditg&ouckcok git ckwiqxikbkwt tyq lb dbubaclcw gy `osik gi uqogydwcok+

    Lit qituoktbalit gi uqogydwcok okw woyjoyqt yki xbfyi cgi gi lbryblcw git `bdmckit gctuokcalit gbkt lbwilciq, `bct clt tokwckdbubalit gi iwwqi yki xbliyq ky`qcryi giqqcqi diwwi c`uqittcok+Oq cl itw hokgb`ikwbl, loqtryok ubqli gi ryblcw, gwqi uqdct iw gitbxocq i}bdwi`ikw di gokw itw dbubali li uqodittyt ubq qbuuoqw diryok lyc gi`bkgi+

    Lb kowcok gi dbubaclcw itw wqou c`uoqwbkwi gbkt yki uqogydwcok`ogiqki uoyq wqi wqbcwi bxid git kowcokt fioyit+ Cl itw c`uqbwchuoyq woywit lit ikwqiuqctit g&bxocq ikflk yk lbkfbfi do``yk ik`bwcqi gi dbubaclcw ikwqi l&ikti`ali git tiqxcdit iw lit uiqtokkit gil&ikwqiuqcti+ Do`acik gi qykcokt ckywclit uoyqqbcikw wqi xcwit tcwoywit lit uiqtokkit gy ayqiby g&wygi, gi lb uqogydwcok ik ubttbkwubq lit bfikwt git `wmogit ywclctbcikw lit ``it kowcokt gidbubaclcw iw li ``i xodbaylbcqi+

    Li wiq`i hqbkdct gi dbubaclcw -bgbuwbwcok gi dbubaclcws# itw li wiq`i buwcwygi + Koyt bxokt diuikgbkw dmoctc gi doktiqxiq li wiq`idbubaclcw ryc koyt ti`ali acik qubkgy iw acik ywclct gbkt litikwqiuqctit+

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    35/48

    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    87 gcwcokt gOqfbkctbwcok

    9+1+ Gflkcwcok gi lb dbubaclcw

    Lb dbubaclcw ti ityqi ubq li qbuuoqw ikwqi lb uiqhoq`bkdi gi`bkgi

    iw lb uiqhoq`bkdi qilli gyk uqodittyt+

    Illi uiq`iw gi `ityqiq l&buwcwygi gyk uqodittyt qblctiq ykidbqbdwqctwcryi gbkt lckwiqxblli gi wolqbkdi fl} ubq li dbmciq gitdmbqfit+ Li hbcw g&ywclctiq yk dmchhqi uoyq dbqbdwqctiq lb dbubaclcw itwhokgb`ikwbl+ Yk dmchhqi itw oajidwch, cl k&itw ubt tyjiw ckwiquqwbwcok+Loqtry&ok ywclcti gy xodbaylbcqi uoyq gdqcqi yki tcwybwcok, dilycdc

    itw woyjoyqt fioy iw tyjiw ckwiquqwbwcok+Ulytciyqt koq`it gdqcxikw lit dbubaclcwt -buwcwygi ik hqbkbct# iwdilb ki tc`ulcfli ubt li wqbxbcl git toytwqbcwbkwt ryc gocxikw ywclctiqtc`ylwbk`ikw ulytciyqt koq`it+ Lit dmotit ti tokw yk uiyb`lcoqit ik 1557 bxid lb tyuuqittcok git koq`it DKO@O+ Koytbxokt dmoctc lit kowbwcokt lit ulyt ywclctit bdwyilli`ikw rycuqoxcikkikw git koq`it RT3555+

    Koyt gcttodciqokt giy} wsuit g&ckgcdbwiyqt gi dbubaclcw :

    Lit ckgcdbwiyqt lokf wiq`i ryc wqbgyctikw lb qblcw git uqogycwtlcxqt+ Ok ubqliqb bloqt gi uiqhoq`bkdi gy uqodittyt+

    Lit ckgcdbwiyqt doyqw wiq`i ryc wqbgyctikw lb gctuiqtcok tyq ykwi`ut wqt doyqw+ Ok ubqliqb bloqt gi dbubaclcw gy uqodittyt+

    9+4+ Uuiw Uun-Uiqhoq`bkdi gy uqodittyt lokf wiq`i#

    9+4+2+ Uiqhoq`bkdi ckwqcktryi gy uqodittyt UuUoyq uqdctiq woywit dit kowcokt yk uiy fioyit, lb @TU hoyqkcw ykckgcdbwiyq uqdct gbkt di go`bcki, ditw lckgcdbwiyq Uu -Uiqhoq`bkdigy uqodittyt#+

    Diw ckgcdbwiyq itw dbldyl gi lb hbok tycxbkwi :

    Yki dbubaclcw ti}uqc`i ubq yk dmchhqi

    UuCW

    LW

    0 0Ckwiqxblli gi wolqbkdi

    Gctuiqtcok lokf wiq`i 8

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    36/48

    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 89

    Gbkt yki uqi`cqi buuqodmi, yk uqodittyt tiqb gcw dbubali tclckwiqxblli gi wolqbkdi itw ulyt fqbkg ryi lb gctuiqtcok blbwocqi gyuqodittyt bxid yki uiwcwi `bqfi, ditwgcqi loqtryi li Uu itwtyuqciyq 2,44 -=/8#+

    Hcfyqi 19 L&ckgcdbwiyqUu

    Lb flfyqi 19 `okwqi giy} tcwybwcokt wsucryit+ Lb uqi`cqi doqqituokg yk uqodittyt kok dbubali dbq lb gctuiqtcok itw ulyt c`uoqwbkwi ryi

    l&ckwiqxblli gi wolqbkdi+ Gbkt lb tidokgi, lb gctuiqtcok itw hbcali byqifbqg gi l&ckwiqxblli gi wolqbkdi, li uqodittyt itw gokd dbubali+Uqdctokt ryi lb gctuiqtcok blbwocqi itw uqcti do``i wbkw fbli tc}hoct ldbqw wsui gi lb gctuiqtcok gy uqodittyt, ditwgcqi lckwiqxbllidokwikbkw 33,6 ) git ucdit hbaqcryit -gbkt l&msuowmti g&ykigctwqcaywcok gi Fbytt#+ Uoyq dbldyliq diwwi gctuiqtcok, cl hbyw gokd ykko`aqi tyhfltb``ikw lix gi ityqit -yki dikwbcki# iw xqcfliq ryilb gctwqcaywcok gi dit `ityqit b acik yki hoq`i gi dlodmi+ Tc di k&itwubt li dbt, cl hbyw uqikgqi ryilryit uqdbywcokt tyq litryillit koyt

    qixcikgqokt gbkt lit dmbucwqit 7 iw 25 tyq lit dbubaclcwt+Lb gctuiqtcok ywclcti uoyq li dbldyl gi lb uiqhoq`bkdi Uu itw lbgctuiqtcok lokf wiq`i gy uqodittyt+ Ik ihhiw, lb `ityqi gi lbuiqhoq`bkdi uqodittyt gocw wqbgycqi lb dbubdcw uqogycqi tyq li lokfwiq`i+ Cl hbyw gokd wikcq do`uwi gi l&ikti`ali git ckfiyikdit rycuiyxikw uiqwyqaiq li uqodittyt uikgbkw li wi`ut gi uqogydwcok+ Diwwigctuiqtcok itw doktwcwyi git gctuiqtcokt doyqw wiq`i iw gitgctuiqtcokt doktdywcxit by} xbqcbwcokt gi doktcfkit -gqflbfit#ckdokwoyqkbalit tyq li lokf wiq`i+

    Ckwiqxblli gi wolqbkdi Ckwiqxblli gi wolqbkdi

    Gctuiqtcok 0 88

    Uqodittyt kok dbubaliUu< 2,44

    Uqodittyt dbubaliUu ;2,44

    Gctuiqtcok 0 88

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    37/48

    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    88 gcwcokt gOqfbkctbwcok

    Li dbldyl gy Uu tiqb gokd qblct ubqwcq g&yk dmbkwcllokqiuqtikwbwch gi l&ikti`ali g&yki uqogydwcok+ Ik fkqbl, lb uqcogiqiwikyi uoyq li dbldyl g&yk Uu itw by `ockt g&yki ti`bcki+ Bcktc, liUu dbldyl gokkiqb yki aokki ckgcdbwcok gi lb ryblcw gi lbuqogydwcok lcxqi by dlcikw+

    9+4+1+ Ckgcdbwiyq gi gqflbfi Uun

    Koyt xikokt gi xocq ry&yki git dokgcwcokt kdittbcqit uoyq ry&ykuqodittyt tocw dbubali itw ryi l&ckgcdbwiyq Uu tocw tyuqciyq 2,44+Diwwi dokgcwcok itwilli tyhfltbkwi ?

    Hcfyqi 18 Kdittcw g&yk ckgcdbwiyqUun

    Gbkt lb flfyqi 18, lit giy} tcwybwcokt okw yk Uu tyuqciyq 2,44, iwuoyqwbkw, loqtryi lb uqogydwcok itw gdikwqi, cl i}ctwi git ucdit moqtwolqbkdi+ L&ckgcdbwiyq Uu itw gokd cktyhfltbkw iw cl hbyw `iwwqi ikulbdi yk bywqi ckgcdbwiyq Uun, ryc wcikgqb do`uwi gy gqflbfi gyuqodittyt+Bcktc, li Uu gokkiqb lb uiqhoq`bkdi ckwqcktryi gy uqodittyt iw liUun lb uiqhoq`bkdi qilli+

    Diw ckgcdbwiyq gixqb wqi byttc tc`uli g&ckwiquqwbwcok ryi li Uu, d&itwgcqi ryi li uqodittyt tiqb dbubali tc Uun itw tyuqciyq 2 -gbkt ykuqi`ciq wi`ut#+ Acik tq, do``i uoyq li Uu, yk Uun gi 2 tiqb wqouqctry, koyt qiwcikgqokt do``i lc`cwi 2,44+

    Gbkt li dbt gi lb flfyqi 16, li uqodittyt itw gqfl gy dw tyuqciyq lb `osikki+ Gbkt di dbt, ok kowi ryi lb uqogydwcok itw dbubali wbkwryi lb gctwbkdi G20 n -Wolqbkdi Tyuqciyqi @osikki# itw ulytfqbkgi ryi lb gctwbkdi G1 -`ocwc gi lb gctuiqtcok blbwocqi#+

    Ckwiqxblli gi wolqbkdi Ckwiqxblli gi wolqbkdi

    Gctuiqtcok Gctuiqtcok

    Uu 0 2,9 Uu 0 2,9

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    38/48

    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 86

    Hcfyqi 16 Uqodittyt gqfl gy dw tyuqciyq lb `osikki

    Uun itw gokd yk ckgcdbwiyq ryc do`ubqi lit giy} gctwbkdit G2 iw G1 ikwbalcttbkw li qbuuoqw ikwqi lit giy} gctwbkdit+ Acik tq, gbkt li dbtg&yk gqflbfi gy dw ckhqciyq lb `osikki, di k&itw ulyt lbgctwbkdi G2 ry&cl hbygqb doktcgqiq, `bct yki gctwbkdi G&2 -@osikki Wolqbkdi ckhqciyqi#+

    Koyt uoyxokt gokd dqcqi lb hoq`yli gi dbldyl gy Uun

    Li wiq`i Uun xcikw gy hbcw ryi l&ok dbldyli li Uu gy dow li ulyt uqodmigi lb tudcfldbwcok ik hbctbkw li qbwco ikwqi lb gctwbkdi i}uqc` ikko`aqi g&dbqw wsui -n# gcxcti ubq lb `ocwc gi lb gctuiqtcok -4#+Ok b gokd Uun 0 n/4

    9+4+4+ Ckwiquqwbwcok gi Uuiw Uun

    Yk uqodittyt, uoyq wqi dbubali, ki gocw ubt uqogycqi g&bqwcdlit

    ghidwyiy}+ Li dqcwqi gi abti uoyq lb uiqhoq`bkdi tiqb gokd li Uunryc ckdlyw lb hoct lb uiqhoq`bkdi ckwqcktryi iw li gqflbfi+ Koytqiwcikgqokt do``i lc`cwi :

    @bct cl ki hbyw ubt uoyq bywbkw kflcfiq li Uu+ Ik ihhiw, ik do`ubqbkwuoyq yk uqodittyt li Uu iw li Uun, koyt uoyxokt oawikcq gi uqdciy}qikticfki`ikwt+

    Yk uqodittyt itw dbubali -tyq li lokf wiq`i#

    tc tok Uun itw tyuqciyq 2,44

    Wolqbkdickhqciyqi

    Wolqbkdityuqciyqi

    @osikki

    Gctuiqtcok

    n

    G2

    G1

    Uunosikki Lc`cwi lb

    ctuiqtcok

    n LW

    LW

    0 0Gctwbkdi -@ ulyt uqodmi#

    2 1+-G Lokf Wiq`i

    /

    #

    4

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    39/48

    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    8= gcwcokt gOqfbkctbwcok

    Ik dbt gi qflbfi ubqhbcw, ok xqcfli bct`ikw ryi Uu 0 Uun+ Ikqixbkdmi, ulyt li gqflbfi itw c`uoqwbkw iw ulyt lb gchhqikdi ikwqi Uuiw Uun gixcikw c`uoqwbkwi+ L&oajidwch git ouqbwiyqt tiqb gokd g&bxocqyk Uun li ulyt uqodmi uottcali gy Uu+

    9+7+ Duiw Dun-Dbubaclcw uqodittyt Doyqw wiq`i#

    Hcfyqi 1= Gctuiqtcok doyqw wiq`i iw gctuiqtcok lokf wiq`i

    Loqtry&ok oatiqxi yk uqodittyt gi uqogydwcok -flfyqi 1=#, okdoktwbwi ryi dilycdc k&itw ubt woyjoyqt dikwq tyq lb ``i xbliyq,`bct ry&cl tyacw git xbqcbwcokt gi doktcfkit+ Ik hbcw, by doyqt g&ykiti`bcki gi uqogydwcok, ok gcttodci giy} wsuit gi gctuiqtcok : lbgctuiqtcok doyqw wiq`i iw lb gctuiqtcok lokf wiq`i+

    Lb gctuiqtcok lokf wiq`i ckdlyi lit fiydwybwcokt gi doktcfki+

    Illi wqbgycw lb ryblcw git ucdit lcxqit by} dlcikwt+ Lb gctuiqtcok doyqw wiq`i guikg uqckdcubli`ikw gy `osik

    qiwiky iw git dokgcwcokt gi fb``i qiwikyi, bct fbli`ikw gitbywqit @ ryc tokw li @clciy, lb @bck g&yxqi, lb @bwcqi+ Diwwigctuiqtcok tiqbcw fbli lb gctuiqtcok lokf wiq`i tc li uqodittytwbcw ubqhbcwi`ikw twbali+

    Diwwi gcttodcbwcok koyt dokgycw gflkcq giy} koyxiby} ckgcdbwiyqt :Du iw Dun+

    Dbqbdwqctwcryi

    Wolqbkdi Tyuqciyqi

    Gctuiqtcoklokf wiq`i

    GLWLW

    Wolqbkdi Ckhqciyqi

    Wi`ut

    Gctuiqtcokdoyqw wiq`i

    GDWDW

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    40/48

    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 83

    Lb Uiqhoq`bkdi uqodittyt -Uu iw Uun# t&ckwqittbcw lb gctuiqtcoklokf wiq`i, lb Dbubaclcw uqodittyt -Du iw Dun# xb t&ckwqittiq lbgctuiqtcok doyqw wiq`i+

    Uoyq dbldyliq lit ckgcdbwiyqt Du iw Dun, ok `ki yki wygi gigctuiqtcok uiq`iwwbkw g&cgikwcfliq diwwi gctuiqtcok doyqw wiq`i+ Uoyqdilb giy} `wmogit tokw uottcalit+

    Uqi`cqi `wmogi

    Ok uqlxi yki dckrybkwbcki gi ucdit doktdywcxit hbaqcryit ubq liuqodittyt wygc iw ok `ityqi lb gctuiqtcok oawikyi tyq diw

    dmbkwcllok+ Diwwi gctuiqtcok koyt uiq`iw gi dbldyliq Du iw Dun bxidlit ``it qilbwcokt ryi Uu iw Uun+ Ok byqb gokd lit qilbwcokttycxbkwit:

    Diwwi `wmogi k&itw uottcali ryi tc lb dbgikdi gy uqodittyt itwtyhfltb``ikw qbucgi uoyq ki lbcttiq tyatctwiq gbkt diw dmbkwcllok ryilb gctuiqtcok doyqw wiq`i+ Yk uqodittyt uoyq liryil li dsdli giuqogydwcok tiqbcw gi 9 `k ubq uqogycw, kdittcwiqbcw ulyt gi 7 miyqit

    gi uqogydwcok uoyq qblctiq yk wil ittbc+ Cl itw xcgikw ryi l&ok ki uiywubt fbqbkwcq lb twbaclcw uikgbkw dit 7 miyqit+ Ok ki `ityqiqbcw gokdubt lb gctuiqtcok doyqw wiq`i `bct gj yki gctuiqtcok lokf wiq`i+Diwwi `wmogi ki dokxcikgqbcw ubt gbkt di dbt+

    Giy}c`i `wmogi

    Lb giy}c`i `wmogi uoyq `ityqiq lb gctuiqtcok doyqw wiq`i,doktctwi uqlixiq gi uiwcwt dmbkwcllokt -4 ucdit doktdywcxit ubqi}i`uli# ckwiqxbllit qfylciqt oy doktdywcht, bct tbkt bdwcok tyq li

    Qi`bqryi : Ok wqoyxi fbli`ikw gbkt diqwbck dbt l&ckgcdbwiyq DQ :

    DuCkwiqxblli gi wolqbkdi

    Gctuiqtcok doyqw wiq`i gy uqodittyt

    CW

    8 DW0 0

    DQDu Wolqbkdi

    DW0 02 8

    DunGctwbkdi -@osikki/Lc`cwi lb ulyt uqodmi#

    2/1 Gctuiqtcok doyqw wiq`i gy uqodittyt

    Gctw-@/LluU#

    40 0

    DW

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    41/48

    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    65 gcwcokt gOqfbkctbwcok

    uqodittyt uikgbkw lb uqogydwcok gi dit wqoct ucdit+ Ik qixbkdmi, cluiyw s bxocq git bdwcokt gi qflbfi ikwqi giy} dmbkwcllokt+ Gbkt didbt, lb gctuiqtcok doyqw wiq`i tiqb lb `osikki git gctuiqtcoktoatiqxit tyq dmbdyk git dmbkwcllokt+

    Dit giy} `wmogit tiqokw gwbcllit, kowb``ikw ik di ryc dokdiqkilit dbldylt, gbkt li dmbucwqi tyq lit dbubaclcwt -dmbucwqi 7 iwdmbucwqi 25#+

    9+9+ Lit ckgcdbwiyqt lct lb dcali : li Du`iw li Uu`

    Lckgcdbwiyq gi dbubaclcw Uun itw byjoyqgmyc doyqb``ikw bg`ctdo``i lckgcdbwiyq gi dbubaclcw gi qhqikdi uoyq l&bddiuwbwcok g&yklow ikwqi dlcikw iw hoyqkcttiyq+ Uoyqwbkw, lit koyxillit dokwqbckwit gilb uqogydwcok ryi koyt bxokt i}uotit gbkt li uqi`ciq dmbucwqi bxidl&oajidwch dcali hokw buubqbwqi lit lc`cwit gi diw ckgcdbwiyq+

    Koyt uiktokt ik ihhiw -flfyqi 13# ryi, gbkt diqwbckt dbt, yk Uun giaok kcxiby -Uun 0 1# uiyw gokkiq `ockt gi tbwcthbdwcok ryyk Uundoktcgq do``i lc`cwi -Uun gi 2,44#+ Gbkt lit qilbwcokt dlcikwt/hoyqkcttiyqt wbalcit tyq li Uun, lit giy} uqogydwcokt gokkikw

    tbwcthbdwcok+ Uoyqwbkw yki git uqogydwcokt itw dikwqi bxid li`b}c`y` gi giktcw gi uqoabaclcw tyq lb xbliyq dcali, bloqt ryi lbtidokgi itw gdikwqi iw lb giktcw gi uqoabaclcw uoyq lb xbliyq dcaliitw uqbwcryi`ikw kylli+

    Koyt uiktokt ryi lc`cwiq lit i}cfikdit ik `bwcqi gi dbubaclcw bytiyl Uun uiyw wqi gbkfiqiy}+ Li tiyl qituidw gi l&ckgcdbwiyq giuiqhoq`bkdi Uun ; 2,44 uiyw dokgycqi git `okwbfit c`uottcalitgbkt li dbt g&yk wolqbkdi`ikw twbwctwcryi -xocq dmbucwqi 25#+

    Uoyq wikcq do`uwi gi diwwi xolywcok gbkt lb hbok gi xocq lckwiqxblligi wolqbkdi ik hbaqcdbwcok, lit ckgcdbwiyqt Uu iw Uun gocxikw wqido`ulwt+ Giy} bywqit ckgcdbwiyqt do``ikdikw wqi lbqfi`ikwywclct gbkt lit ikwqiuqctit : l&ckgcdbwiyq Du` uoyq li doyqw wiq`i iwUu` uoyq li lokf wiq`i+ Du` wcikw do`uwi lb hoct gi lb gctuiqtcok iwgy dikwqbfi+ Tok oajidwch itw gi gokkiq yki c`bfi floabli gyuqodittyt ubq yk tiyl ckgcdbwiyq+ Cl bttyqi ryi lit dokgcwcokt gidikwqbfi iw gi gctuiqtcok `ckc`y` gokw koyt bxokt tcfkbllc`uoqwbkdi tokw qituidwit+

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    42/48

    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 62

    Hcfyqi 13 Li Uunkitw ubt tyhhctbkw

    L&ckgcdbwiyq Du` itw abt tyq lb hokdwcok uiqwi gi Wbfydmc+

    Hcfyqi 45 Hokdwcok uiqwi gi Wbfydmc

    Li koyxil ckgcdbwiyq Du` qifiwi lb uiqwi -by tikt gi Wbfydmc# gyi yk gqflbfi+ Du` itw gflkc ubq :

    Lb hokdwcok uiqwi ckwiqxcikw by gko`ckbwiyq+ Ok kowi ryil&ckgcdbwiyq Du` itw fbl Du loqtryi li uqodittyt itw ubqhbcwi`ikwdikwq+ Du` gdqow loqtryi li gdikwqbfi byf`ikwi+ Do``i ok lidoktwbwi, Du` wcikw do`uwi lb hoct gy dikwqbfi iw gi lb gctuiqtcok+

    Ik fbqbkwcttbkw li Du`, ok bttyqi ryi li uqodittyt itw qilli`ikwdikwq tyq lb dcali+ Lb xbqcbaclcw tyq li uqogycw flkc tiqb hbcali+

    Gctuiqtcok Gctuiqtcok

    Uu02,44, Uun 02,44 Uu07, Uun 01

    L

    ]

    Uiqwi uoyqlb todcw

    Uiqwi uoyql&dbqw] dcali] dcali

    Hokdwcok uiqwiL 0 N-]dcali#_L 0 N-]dcali#1

    ]

    ] Dcali

    Uiqwi `osikki

    uoyq yk low gi

    `osikki iw

    g&dbqw wsui :

    ]

    L N ] dcali0 . - - # #1 1

    Du`CW

    8+ ] Dcali

    Du

    2 3-Du Dun#1 10

    . - #

    0

    . c

    1

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    43/48

    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    61 gcwcokt gOqfbkctbwcok

    Ok dbldyli fbli`ikw tyq li lokf wiq`i lb uiqhoq`bkdi Uu` ubq lb``i qilbwcok, `bct ik uqikbkw l&dbqw wsui lokf wiq`i+

    9+8+ I}i`uli gi dbldyl gi dbubaclcw

    B l&cttyi g&yki uqogydwcok, ok uqlxi blbwocqi`ikw 83 ucdit gbkt lilow hbaqcry+ Ok xiyw dbldyliq lb uiqhoq`bkdi gi uqodittyt+ Tocw

    lmctwofqb``i flfyqi 42 uoyq yki dowi gi 95 5,59+

    Hcfyqi 42 I}i`uli gi dbldyl gi dbubaclcw

    Dbldyl gi lb `osikki iw gi ldbqw wsui :

    Dbldyl git ckgcdbwiyqt gi dbubaclcw lokf wiq`i Uuiw Uun :

    Li uqodittyt itw jyf dbubali tilok li dqcwqi Uun -Uun ; 2,44#+ Liuoyqdikwbfi moqt wolqbkdi itw ckhqciyq 41 uu`+

    Uu` CW

    8+ ] Dcali

    Uu

    2 3-Uu Uun#1 10

    . - #0

    . LW

    1

    73+39 95+5995+553LTL YTL

    0 5+553

    73+395 73+389 73+3=5 73+339 95+525 95+519 95+575

    ] k0 095 553 5 5532, ,

    Uu}

    Uun}

    0 0 0

    05 2

    8 5 5532 =7

    95 59 95 553

    4 5 5532 91

    ,

    ,,

    , ,

    ,,

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    44/48

    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 64

    Dbldyl gy Uu`

    Li uqodittyt itw jyf jytwi dbubali tilok li dqcwqi Uu` -Uu` ; 2,44#+

    Dilb tcfkcfli ryi lb uiqwi `osikki fkqi ubq lit uqogycwt gi diwwiuouylbwcok itw fbli lb uiqwi `osikki gyki uouylbwcok dikwqibsbkw yki uiqhoq`bkdi Uu gi 2,44+

    Li Uu` xblcgi yki koyxilli hbok gi xocq lckwiqxblli gi wolqbkdi ikhbaqcdbwcok+ Ik ihhiw, bxocq yki dowi ik lc`cwi gi wolqbkdi kitw ubtfqbxi tc diwwi ucdi itw ctoli+ Lb uqoabaclcw gbtti`albfit ghidwyiy}itw rybtc`ikw kylli+ Ubq dokwqi tc ulytciyqt ucdit ti tcwyikw diwwilc`cwi, cl s byqb git doktryikdit khbtwit tyq lb ryblcw+ Bcktc, lidokdiuwiyq b giy} tolywcokt uoyq oawikcq lbttyqbkdi gykhokdwcokki`ikw doqqidw gi tok `dbkct`i :

    2+ qgycqi lckwiqxblli gi wolqbkdi iw c`uotiq ryi lit uqogycwttocikw woyt gbkt diw ckwiqxblli ryilli ryi tocw lb qubqwcwcok >

    1+ lbcttiq yk ckwiqxblli gi wolqbkdi lbqfi, `bct ik c`uotbkw lbhbaqcdbwcok git dokgcwcokt gi dikwqbfi iw gi qubqwcwcokxiqqoycllit ubq li Uu`+

    Acik ryi lb tidokgi tolywcok ti`ali ulyt gchfldcli qituidwiq b uqcoqc,koyt to``it uiqtybgt ry lokf wiq`i diwwi tolywcok itw gi lock lbulyt doko`cryi ik `bwcqi gi `osikt gi uqogydwcok `iwwqi ikyxqi+

    Diuikgbkw, tc li Uu` ohhqi yki xctcok ulyt `ogiqki git dbubaclcwtryi li Uu, Uun, cl ki lit qi`ulbdi ubt uoyq bywbkw, `bct ulyww cl litdo`ulwi+ Koyt uqouotokt by dmbucwqi 22 yki buuqodmi koxbwqcdi giwolqbkdi`ikw -li wolqbkdi`ikw ckiqwcil# hokgi tyq diwwi buuqodmi+

    Qi`bqryi : tc lit ``it gokkit bxbcikw w cttyit g&ykuqlxi`ikw qiuqtikwbkw lb gctuiqtcok doyqw wiq`i -2/7 miyqi giuqogydwcok ubq i}i`uli# bxid lit ``it dbldylt koyt byqokt dbldyllit ckgcdbwiyqt Du, Dun, Du`+

    Uu`CW

    ] Dcali0

    .

    0

    .

    0

    8

    5 2

    8 5 553 95 553 952 44

    1 1 1 1 - #

    ,

    , - , #,

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    45/48

    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    67 gcwcokt gOqfbkctbwcok

    9+6+ Tskwmti git gchhqikwt ckgcdbwiyqtgi dbubaclcw

    Loqtryi l&ok ubqli g&buwcwygi oy gi dbubaclcw, ok uiyw gctwckfyiqgiy} kcxiby} :

    lb dbubaclcw doyqw wiq`i qiuqtikwbkw lb dbubaclcw gy osik giuqogydwcok tc l&ok bqqcxi ubqhbcwi`ikw twbaclctiq lb dbqbdwqctwcryi >

    Lb dbubaclcw lokf wiq`i -uiqhoq`bkdi# ryc wqbgycw lbuqogydwcok lcxqi by dlcikw+

    Cl itw woyjoyqt gchfldcli gi gokkiq git gyqit doqqituokgbkw ditgchhqikwit dbubaclcwt dbq dilb guikg gy wsui gi uqogydwcok+ Ok uiywdiuikgbkw gokkiq yk oqgqi gi fqbkgiyq gbkt li dbt gi fqbkgit tqcitbywo`oaclit ubq i}i`uli ik gctbkw ryi lb dbubaclcw doyqw wiq`itiqbcw qiuqtikwbwcxi gi dckr `ckywit gi uqogydwcok, lb dbubaclcw lokfwiq`i qiuqtikwiqbcw yki ti`bcki gi uqogydwcok+

    Ok uiyw gokd wbalcq li wbaliby tycxbkw ryc uqdcti lit gchhqikwtckgcdbwiyqt gi dbubaclcw ryi l&ok uiyw dbldyliq+

    Hcfyqi 41 Lit gchhqikwt dbldylt gi dbubaclcw

    Do``i ok li doktwbwi tyq li wbaliby, cl k&s b ubt gi gchhqikdi gidbldylt ikwqi lit gchhqikwt ckgcdbwiyqt, cl s b tiyli`ikw git gchhqikditgbkt di ry&clt qiuqtikwikw ik wiq`i gi wi`ut gi uqogydwcok+

    dbubaclcwckwqcktryi

    Xqbci dbubaclcw Dikwqbfi

    Xqbci dbubaclcw Uiqwi

    Doyqw wiq`idbubaclcw-2/7 miyqi#

    Du Dun Du`

    Lokf wiq`iuiqhoq`bkdi-2 ti`bcki#

    Uu Uun Uu`

    Wolqbkdi

    8`ck- , #

    WT ] ] WC

    4 4

    Wolqbkdi

    } dcali 81 1

    . - #

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    46/48

    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    gcwcokt gOqfbkctbwcok 69

    9+=+ L&ckwiquqwbwcok gi lb dmywi gi dbubaclcw

    Hcfyqi 44 Lb dmywi git dbubaclcwt

    L&bkblsti git dmywit gi dbubaclcw uoyq yk uqodittyt itw toyxikw wqtckwqittbkwi+ Ik ihhiw, koyt ubqwokt g&yk uqodittyt bxid yk uowikwcilgi dbubaclcw Du uoyq bqqcxiq yk uqogycw lcxq by dlcikw bxid ykiuiqhoq`bkdi Uun+ L&c`uoqwbkw itw acik ikwikgy g&bxocq yk Uun oy yk

    Uu` tyuqciyq 2,44 tilok li dqcwqi dmoctc+ Tc di k&itw ubt li dbt, cl itwhokgb`ikwbl, uoyq qtoygqi li uqoal`i, gi gwiq`ckiq l&oqcfcki gidi `bkryi gi dbubaclcw+

    Lb dmywi gi dbubaclcw ikwqi Du iw Uu wqbgycw l&cktwbaclcw gy uqodittyt+Ik ihhiw, tc ok tbcw twbaclctiq yk uqodittyt, ok lc`cwi lit xbqcbwcokt gidoktcfkit iw lb gctuiqtcok lokf wiq`i tiqb uqodmi gi lb gctuiqtcokdoyqw wiq`i+

    Hcfyqi 47 Dmywi ikwqi Duiw Uu

    Doyqw wiq`iDu

    Lokf wiq`iuowikwcil

    Uu

    Lokf wiq`idikwqbfi

    Uun ; 2,44

    oy Uu` ; 2,44Uu` ; 2,44

    Dokgcwcokg&bddiuwbwcok

    Twbaclcwgy uqodittyt

    Dikwqbfigy uqodittyt

    Uiqwi gi dbubaclcw

    Dbqbdwqctwcryi Dbqbdwqctwcryi

    Gctuiqtcokdoyqw wiq`i

    Gctuiqtcoklokf wiq`i

    Gctuiqtcoklokf wiq`iGctuiqtcok

    doyqw wiq`i

    Wi`ut Wi`ut

    Uqodittyt cktwbali Uqodittyt twbali

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    47/48

    Buulcryiq lb `bwqcti twbwctwcryi git uqodittyt -@TU/TUD#

    68 gcwcokt gOqfbkctbwcok

    Koyt bxokt xy uqdgi``ikw ryi lb dmywi gi dbubaclcw ikwqi Uu iwUun wbcw gyi by gqflbfi+ Koyt uoyxokt bloqt ckwiquqwiq l&ikti`aligy wbaliby git dbubaclcwt do``i gbkt l&i}i`uli flfyqi 49+

    Li wbaliby tycxbkw dokdiqki yk uqogycw do`uoqwbkw 9 dbqbdwqctwcryituoyq litryillit li dikwqbfi itw bttiz hbdcli oawikcq+ Gbkt di dbt, liDun k&itw ubt g&yki fqbkgi ywclcw dbq yk gqflbfi tyq li doyqw wiq`iuiyw wqt qbucgi`ikw wqi do`uikt+

    Di wbaliby uiq`iw yki buuqmiktcok c``gcbwi git uqoal`it loqtgyki qykcok uoyq uiy ryi l&ikti`ali git uiqtokkit dokdiqkitbcikw w hoq`it lb kowcok gi dbubaclcw+ Koyt bxokt fqct gbkt li

    wbaliby woyt lit dbt gi flfyqi o : li Uun itw ckhqciyq 2,44 >

    li Uu` itw ckhqciyq 2,44+

    Hcfyqi 49 Wbaliby git dbubaclcwt

    Dmbryi dbqbdwqctwcryi bsbkw yki dbti fqcti gocw wqi gctdywi uoyq

    uiq`iwwqi yki b`lcoqbwcok+ Ok kowi l&ckwqw gy Uu` ryc floablctil&ikti`ali gi lb dmywi gi dbubaclcw+ L&ckwiquqwbwcok gy wbalibyflfyqi 49 itw lb tycxbkwi :

    Dbqbdwqctwcryi 2 : bydyk uqoal`i, Uu` itw tyuqciyq 2,44+ Li Uunitw fbli`ikw tyuqciyq 2,44+

    Dbqbdwqctwcryi 1 :Uu` itw ckhqciyq 2,44 iw cl s b yki dmywi ikwqiDu iw Uu+ Cl hbyw twbaclctiq lit xbqcbwcokt gi doktcfki by doyqt gy wi`ut+Yki tyqxicllbkdi gy uqodittyt ubq dbqwi gi dokwqli t&c`uoti+

    Dbqbdwqctwcryit Du Uu Uun Uu`

    2 255,59 1,9 1,1 2,3 2,84

    1 215,59 1,9 2,2 2,5 2,59

    4 =5,51 2,2 5,3 5,= 5,=8

    7 L 155,58 4,1 1,9 2,2 5,96

    9 L 255,57 1,9 1,1 2,8 2,56

  • 7/23/2019 Appliquer La Maitrise Statistique Des Processus (MSP/SPC)

    48/48

    Lit dokdiuwt gi lb @bwqcti Twbwctwcryi git Uqodittyt -@TU#

    Dbqbdwqctwcryi 4 :Uu` itw ckhqciyq 2,44 iw li Uun itw `gcodqi+By gubqw, lb dbubaclcw doyqw wiq`i itw cktyhfltbkwi+ Yki bdwcok`wmogi oy `bckwikbkdi t&c`uoti+ Koyt ki uoyxokt uqoabali`ikwubt qtoygqi li uqoal`i gbkt l&bwilciq+ Cl hbyw, tocw ogcfliq lb fb``igi hbaqcdbwcok, tocw qubqiq lb `bdmcki gbkt li dbt g&yki gwqcoqbwcokgi lb dbubaclcw doyqw wiq`i ubq qbuuoqw lb dbubaclcw doyqw wiq`imctwoqcryi+

    Dbqbdwqctwcryi 7 :Uu` itw ckhqciyq 2,44+ Cl s b yk fqot dbqw ikwqili Uu iw li Uun g yk gdikwqbfi+ Cl itw toyxikw bct gi qi`gciq diwsui gi uqoal`i ik `bwqctbkw `ciy} li dikwqbfi gi lbdbqbdwqctwcryi+ Yki tyqxicllbkdi ubq dbqwi gi dokwqli t&c`uoti+

    Dbqbdwqctwcryi 9 : Uu` itw ckhqciyq 2,44 iw uoyqwbkw Uun itwtyuqciyq 2,44+ Yki b`lcoqbwcok itw ikdoqi uottcali ik dikwqbkw`ciy} li uqodittyt uoyq wqi ulyt tyq lb dcali+ Acik ryi li Uun tocwtyuqciyq 2,44, di dbt gi flfyqi fkqi yki uiqwi tyuqciyqi by dbtUu 0 2,44 iw Uun 0 2,44+ Dilb uiyw wqi glcdbw gbkt li dbt g&ykwolqbkdi`ikw twbwctwcryi+