期刊
ACTUATORS
卷 11, 期 12, 页码 -出版社
MDPI
DOI: 10.3390/act11120351
关键词
active disturbance rejection control; active suspension; voice coil motor; quarter-car; disturbance rejection
资金
- National Natural Science Foundation of China
- [U1864210]
Electromagnetic active suspension is an important technique utilized in vehicles to enhance ride comfort and handling stability. This study introduces an active suspension controller based on the active disturbance rejection control (ADRC) method, and experimental results demonstrate its superior performance compared to the traditional PID controller. The results indicate significant reduction in overshoot and adjustment time, as well as decreased vertical displacement of the vehicle body, with the use of the ADRC controller.
Electromagnetic active suspension is an important technique used in vehicles to improve ride comfort and handling stability. To achieve satisfactory suspension performance, the active suspension control requires strong robustness against the vehicle uncertainties and external disturbances. The voice coil motor (VCM) is applied to the active suspension. A suspension model considering the actuator is established. An active suspension controller based on the active disturbance rejection control (ADRC) method is proposed. Through the test platform built, it is demonstrated that the ADRC of VCM active suspension has better performance than the PID. The results indicate that the overshoot and adjustment time of ADRC controller is reduced by 80% and 50%, respectively. The body vertical displacement of the ADRC is 50% smaller than PID.
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