Download - JTEKT Advanced Driver Assistance Systems
SAE Level Name
Execution of Steering and Acceleration/Deceleration
Monitoring ofDriving
Environment
FallbackPerformance ofDynamic Driving
Task
SystemCapability
(Driving Modes)
0 No Automation Human DriverHuman Driver
Human Driver Human Driver N/A
1 DriverAssistance & System Human Driver Human Driver Some Driving
Modes
2 PartialAutomation System Human Driver Human Driver Some Driving
Modes
3 Conditional Automation System System System Some Driving
Modes
4 HighAutomation System System System Some Driving
Modes
5 FullAutomation System System System All
Driving Modes
Human DriverMonitors the Driving Environment
Automated Driving System (“System”)Monitors the Driving Environment
Source: SAE International - Standard J3016
SAEINTERNATIONAL
Levels Of DrivingAutomation ForOn-road Vehicles
Braking
Driving
Identify laneof travel
Identify obstacles
Determinepath
・Camera ・Distance Sensor ・Acceleration Sensor ・Yaw Sensor
Driver
Surrounded info.
Vehicle control
Steer vehicle Eyesight, acoustic sense, feeling
Transfer
Domain SteeringVehicle control
Transfer information
Steeringangle,
Vehiclevelocity
ADASAdvanced Driver Assistance Systems
Technical Domain
Steering actuator
After the next generation Future product
Steering wheel
Column
Current
Intermediate shaft
EPS
Next generation Development
Steering wheel
Enhanced redundancy
ADAS level 3 and 4
Backup power supply
Responding up to ADAS level 2
Redundant MCU
Utilizing JTEKT’s own control system and safety concepts
ADASAdvanced Driver Assistance Systems
Increased flexibility in transferring road feedback to the steering wheel
Steering wheel operation can be independent of vehicle behavior
Increased packaging flexibility
JTEKT Solutions
Steer By WireTechnology
ADAS Steering Systemsfor Large VehiclesAdvanced Driver Assistance Systems
Hydraulicdevice
Hydraulicdevice
Realization of more accurate precision dockingcontrol and smooth intervening operationby driver. Compatibility with active safety, trafficjam assist control, automated driving.
Redundant ECU / motor hardware. Avoidance ofabrupt stop of precision docking control due tosteering factors.
JTEKT Solutions