What is the function of adaptive cruise control?
1 Answers
Adaptive cruise control (ACC) operates by utilizing feedback signals from distance sensors. The ACC control unit can assess road conditions based on the movement speed of nearby vehicles and adjust the vehicle's driving status accordingly. By monitoring the force applied to the accelerator pedal through feedback mechanisms, the ACC control unit determines whether to engage cruise control to reduce driver fatigue. This system represents an intelligent automated control technology, evolving from traditional cruise control systems. During operation, a front-mounted distance sensor (radar) continuously scans the road ahead, while wheel speed sensors collect real-time velocity data. When the distance to the preceding vehicle becomes insufficient, the ACC unit coordinates with the anti-lock braking system (ABS) and engine control system to apply appropriate wheel braking and reduce engine power output, thereby maintaining a safe following distance.