期刊
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
卷 59, 期 1, 页码 530-537出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIE.2011.2134057
关键词
Active suspension systems; actuator input delay; disturbance attenuation; finite frequency
资金
- 973 Project [2009CB320600]
- National Natural Science Foundation of China [60825303, 61028008]
- Foundation for the Author of National Excellent Doctoral Dissertation of China [2007B4]
- Fok Ying Tung Education Foundation [111064]
- Key Laboratory of Integrated Automation for the Process Industry (Northeastern University), Ministry of Education
This paper investigates the problem of vehicle active suspension control with frequency band constraints and actuator input delay. First, the mathematical model of suspension systems is established, and the problem of suspension control with finite-frequency constraints is formulated to match the characteristics of the human body. Then, the finite-frequency method is developed to deal with the problem of suspension control with actuator input delay, based on the generalized Kalman-Yakubovich-Popov lemma. Compared with the traditional entire-frequency approach for active suspension systems, the finite-frequency approach proposed in this paper achieves better disturbance attenuation performance for the chosen frequency range while the constraints required by real situation are guaranteed in the controller design. The effectiveness and merits of the proposed method are verified by a number of simulations with several types of road disturbances.
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