Browse Publications Technical Papers 2006-01-0758

Development of an Electric Active Stabilizer System Based on Robust Design 2006-01-0758

Electric Active Stabilizer (EAS) system, that is capable of having a good balance between roll angle control and comfortable driving, has been developed. The EAS system can automatically control a roll angle by using the DC motor actuator installed in the center of a stabilizer bar. The actuator consists of a small brushless DC motor and a compact gear set. In order to improve vehicle drivability and to secure robustness against ambient temperature and power supply voltage fluctuation, we found that the motor rotation control was critical. In order to improve the motor rotation control, an actuator structure was optimized and H∞ control algorithm was introduced to have an excellent response and stability. As a result, the EAS system with high efficiency and reliable has been achieved. In this paper, the results are explained with a comparison between simulation results and experimental results.


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