VCU Functions

Vehicle Control Management

• Vehicle State Transitions

  • Sleep/Wake-up sequence

• Key On/Off

  • Battery authorization - Key authorization - Key On - Key On/Off operation for ignition

• Accessory Control

  • Lamp module control (emergency lights, high/low-low lights, passing lights, turn signals, license plate lights, rear lamps, etc.)
  • Handle lock solenoid control

• Limp Home Mode

  • Limit acceleration when fault code occurs

• Driving Performance

  • Vehicle power limit based on battery SOC

• Regenerative Braking

  • Regenerative brake control

• Boost Mode

  • Driving speed boost mode control

• Charge Control

  • Logic indicating that charging is in progress

• Torque Control

  • Torque control according to braking

• Trip Mode Switch

  • Check trip mode switch

Vehicle Status Diagnostics

• Sensor Input

  • Sensor input processing
  • Detection of vehicle motion with G-sensor (detection of vehicle rollover, tilt, etc.)

• Switch Input

  • Switch type and filtering processing

• Calculating Required Torque

  • Calculate required torque according to input changes
    (Throttle sensor processing, required torque calculation, forward/backward required torque calculation)

• Calculate Driving Information

  • Calculate vehicle speed, driving time, total driving distance, remaining driving distance, etc.

• Battery Authorization

  • Battery authorization logic (using vehicle unique ID)

• Key Authorization

  • Smartphone (Android, IOS App) / KeyFob authorization logic