Patent ID: 6167340
Filing Date: 2000-12-26
Classification: B60K,B60W,G01P

Abstract:
A method for processing a speed signal for controlling a speed of a vehicle having a speed control system and a speedometer to eliminate driver perceived error between a desired target speed indicated on the speedometer and a target speed stored by the speed control system, the method comprising:sensing a speed of the vehicle and generating a corresponding speed signal;determining an acceleration status of the vehicle based on the speed signal, the acceleration status being one of quick and slow;determining a mode of operation of the speed control system, the mode of operation including set vehicle speed, accel, and coast modes;filtering the speed signal based on the acceleration status and the mode of operation and generating a corresponding filtered speed signal to eliminate driver perceived error between the filtered speed signal and the speedometer; andcontrolling the speed of the vehicle based on the filtered speed signal.