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6 February 2022 Research on multi-mode control strategy of ISD suspension based on Simulink/Stateflow
Long Xu, Yijie Chen, Baoqiang Li, Fu Du
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Proceedings Volume 12081, Sixth International Conference on Electromechanical Control Technology and Transportation (ICECTT 2021); 1208116 (2022) https://doi.org/10.1117/12.2623926
Event: Sixth International Conference on Electromechanical Control Technology and Transportation (ICECTT 2021), 2021, Chongqing, China
Abstract
Based on the three-element parallel "Inerter-Spring-Damper" suspension (ISD suspension) configuration, combined with the design idea of parameter switching in the semi-active suspension, a multi-mode switching is designed to solve the problem of poor low-frequency vibration response of traditional passive suspension. The vehicle parameters in the actual state are analyzed, and the operating conditions of each working mode and the boundary conditions of mode switching are determined. The finite state machine (FSM) theory is used as the theoretical basis for control strategy modeling, and the logic rules for mode switching are established by using the Simulink/Stateflow module. The simulation results show that the semi-active suspension mode based on multi-mode switching control reduces the root-mean-square value of the suspended mass acceleration by 3.77% and 2.52%, respectively.
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Long Xu, Yijie Chen, Baoqiang Li, and Fu Du "Research on multi-mode control strategy of ISD suspension based on Simulink/Stateflow", Proc. SPIE 12081, Sixth International Conference on Electromechanical Control Technology and Transportation (ICECTT 2021), 1208116 (6 February 2022); https://doi.org/10.1117/12.2623926
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KEYWORDS
Control systems
Logic
Systems modeling
Control systems design
Process control
Simulink
Vibration isolation
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