Abstract
The Individual functions of ACC and ABS/ASR are described in the improvements of active safety while the road vehicles travel in a high speed. Being a logic extension of and many inherent connections with ABS/ASR, ACC is easily integrated with ABS/ASR to form an integrated system by addition of the headway distance-detecting device to the existing ABS/ASR system and the expansion of ABS/ASR software. The algorithm flowcharts and control methods of the
ABS/ASR/ACC are given. The control logic to select one of the deceleration ways which depends on the factors ø and ë during a vehicle travelling in a high speed is simulated. The advantages of the ABS/ASR/ACC system compared with those using the standalone systems ABS, ASR and ACC are mentioned in details.