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Toward “zero-nize”Toward Toward ““zerozero--nizenize””
May 2005Hiroyuki Kanemitsu
Toyota Motor Corporation
Objectives and potential applications Objectives and potential applications of VSCof VSC partpartⅡⅡ
2
2000 20XX
Optimization of body structureOptimization of body structure
Adaptation to more collisionAdaptation to more collisionenvironmentsenvironments
Addition of protective devicesAddition of protective devices --AllAll--round compatibilityround compatibility--Pedestrian injury mitigationPedestrian injury mitigation--Side airbagSide airbag
--Curtain airbagCurtain airbag
--GOAGOA--Interior structure mitigatingInterior structure mitigatinghead impacthead impact
History and Future of Active & Passive Safety TechnologyHistory and Future of Active & Passive Safety Technology
Safe drivingSafe driving
Accident Accident avoidanceavoidance
Crash Crash predictionprediction
OccupantOccupantprotectionprotection
PedestrianPedestrianprotectionprotection
Active safety
Passive safety
--ABSABS--TRCTRC
--Brake assistBrake assist--VSCVSC
Driver visibility assistanceDriver visibility assistance
--Blind corner monitorBlind corner monitor--Adaptive Front light systemAdaptive Front light system
Integrated controlIntegrated control
--VDIMVDIM
--NavigationNavigation--coordinated shift coordinated shift controlcontrol
AutonomousAutonomoussafety supportsafety support--Forward collision Forward collision avoidance assist avoidance assist systemsystem
Improvement of passive safetyImprovement of passive safetyby prognosticationby prognostication
--PrePre--crush safety systemcrush safety system
Dynamic Limit controlDynamic Limit control
VehicleVehicle--infra infra cooperative cooperative
safetysafety
Accidentoccurs
3
Casualty Reduction by Autonomous Safety SystemCasualty Reduction by Autonomous Safety System
2000
Safe drivingSafe driving
Accident Accident avoidanceavoidance
Accidentoccurs
Crash Crash predictionprediction
--ABSABS--TRCTRC
--Brake assistBrake assist--VSCVSC
Driver visibility assistanceDriver visibility assistance
--Blind corner monitorBlind corner monitor--Adaptive Front light systemAdaptive Front light system
Integrated controlIntegrated control
--VDMVDM
--NavigationNavigation--coordinated shift coordinated shift controlcontrol
AutonomousAutonomoussafety supportsafety support
--Forward collisionForward collisionavoidance assistavoidance assistsystemsystem
Improvement of passive safetyImprovement of passive safetyby prognosticationby prognostication
--PrePre--crush safety systemcrush safety system
Active safety
Dynamic Limit controlDynamic Limit control
VSC & VDIM
OFF
ONON
OFF
Lane keeping assist
Pre-crashsafety
Forward vehicle
Forward collision avoidance assist system
Obstacles
VehicleVehicle--infra infra cooperative cooperative
safetysafety
4
Car to car
2,000
1,000
0
The Effect of Casualty Reduction by Autonomous Safety SystemThe Effect of Casualty Reduction by Autonomous Safety System
Reduction effect
Fatalities（Persons ）
Frontal collision
Rear collis
ion
Single-car
Intersect
ion
Autonomous systems does not significantly reduce accidentsrelating intersections, motorcycles, bicycles , and pedestrians
Motorcycle
Bicycle
Pedestria
n0
100
300
400
200Casualties（Thousand persons)
5
UnawarenessMisjudgment
Traffic rule violation
54%30%
16%
Details
Rear collision
Head-on collision
Single-carFrontal collision
Right-straight
Right/left turns
PedestrianOther vehicle collisions
Accidents (casualties)
2000ITARDA
data
Analysis of Remaining AccidentsAnalysis of Remaining Accidents
Remaining accidents are caused by unawareness, misjudgment and traffic rule violation
Remaining accidents
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Objectives of VehicleObjectives of Vehicle--Infra Cooperative Safety SystemInfra Cooperative Safety SystemDriver support to aware traffic signal or other vehicles etc.Prevention of misjudge and rule violation by driver
InterventionIntervention
Driver Vehicle & InfrastructureAutonomous
system
vehicle-infra cooperative
system
Driving supportinformation
Driving supportinformation Alerts / WarningsAlerts / Warnings
Informationimprovement
V-Road V-Vehicle
V-Pedestr
ian
Controlby traffic rules
Controlby traffic rulesJudgment supportJudgment supportDriving support by
preview informationDriving support by
preview information
7
Examples of VehicleExamples of Vehicle--Infra Cooperative Safety SystemInfra Cooperative Safety System
Information Support InterventionAlerts / WarningsControl by traffic signal
Control by traffic rules
Traffic rule warning
BRAKE！
BRAKE！
Traffic signal alert
BRAKE！
BRAKE！
Invisible vehicles
Camera
Pedestrian & vehicles
Awareness SupportPrevention of
misjudge and rule violation
8External appearance Operation by driver
Onboard displayDriver’s view
Operation Image of VehicleOperation Image of Vehicle--Infra Cooperative Safety SystemInfra Cooperative Safety System
Alerts(Sound, Display)
Pon！
Warning / Braking(Sound, Display)
Pi, P
i, Pi
, Pi！
9
2,000
1,000
0
Reduction effect
Simulation of Casualty Reduction by VehicleSimulation of Casualty Reduction by Vehicle--Infra Cooperative Safety SystemInfra Cooperative Safety System
Will reduce “car to car” accidents at intersection by half Will not reduce accidents relating motorcycles, bicycles, and pedestrians
Car to car
Fatalities（Persons ）
Casualties（Thousand persons)
Frontal collision
Rear collis
ion
Single-car
Intersec
tion
Motorcycle
Bicycle
Pedestria
n0
100
300
400
200
10
Toward Toward ““ZeroZero--nizenize””
0
-20
-40
-60
(%)2000 20XX
Passive Safety
Vehicle-infra cooperative Systems
Autonomous Systems
-100Toward Toward ““ZeroZero--nizenize””
11
Subject and ProposalSubject and Proposal0
-50
-1002010
Safety TechnologySafety TechnologyProduct Development Product Development
Educational Activities Educational Activities PublicityPublicity
People
Environment
Traffic Flow ImprovementTraffic Flow ImprovementVehicleVehicle--Infra CooperationInfra Cooperation
Fatalities, Serious Injuries
Vehicles
( % )Zero AccidentsZero Casualties
20XX
The key is total countermeasure considering vehicles, people and traffic environment
