| 摘要 |
A control unit of an assist controller for a vehicle estimates the visibility of a driver, calculates a visibility degradation ratio as a temporal change amount of the visibility, compares the visibility degradation ratio with a warning threshold that has been set in advance according to a vehicle speed, determines whether to warn the driver with a warning device, compares the visibility degradation ratio with a control characteristic change threshold that has been set in advance according to a vehicle speed, determines changes in control characteristics of the ABS function, skid preventing control function, and brake assist control function, compares the visibility degradation ratio with a deceleration control actuation threshold that has been set in advance according to a vehicle speed, and determines whether to execute automatic braking. |
