Traditional Culture Encyclopedia - Traditional festivals - Function of vehicle controller

Function of vehicle controller

Function of vehicle controller

1. Vehicle power-on and power-off management function

Control the functions of the whole vehicle, such as power-on, power-off, interval battery charging, interval high-voltage power consumption, reservation charging, etc.

2. Gear management of the whole vehicle

Control the shift of DNR gear and related transmission.

3. Vehicle torque control

Analyze the driver's driving intention, or receive the instruction from the driverless module, and uniformly distribute the torque of the whole vehicle, including torque demand, braking feedback power, TCS, ABS, EPB, etc.

4. Vehicle accessory control

Control the operation of air conditioner, steering, air compressor, DCDC, cooling pump, cooling fan, alarm lamp, buzzer and other accessories.

5. Fault diagnosis and treatment

The vehicle controller should detect the state of the vehicle in real time, record the specific fault codes according to the diagnosis requirements, and stop the vehicle according to different fault categories.

6. System protection

The allowable power and motor capacity of high-voltage battery are monitored in real time and protected in a limited state.

7. Calibration parameters

According to the design requirements, determine the dynamic parameters that need to be calibrated and other communication commands that need to be responded, such as reading the software version number \ reading the software refresh date, etc.

8. The whole machine working mode management

Restrict the sleep wake-up mechanism, message cycle and real-time performance of the whole machine.

9. The whole machine working mode management

Signal interaction between VCU and driverless module and judgment execution strategy.