차량 능동 현가시스템의 제어 알고리즘 구현 및 실차 성능시험
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In this study, PC Base electronic control unit was constructed for full car test of active suspension system. And sky-hook damping theory, roll and pitch control theory, and PID control theory were applied to a vehicle equipped with active suspension system in order to perform ride quality control, attitude control, and height control.
The performance of ride quality was evaluated through high way ride quality test. The performance of attitude control was evaluated through steady state cornering, step steering, anti-dive, and anti- squat test. Finally height control test which is composed of constant height, height selection, and speed sensing height control was performed.
As a result, through various test, active suspension system showed more excellent ride quality performance in frequency range adjacent to lHz, and more excellent attitude control effect than passive suspension system. Also excellent height control was performed through PCD control.