Semi-active lateral control simulation of straddle-type monorail dynamic model with single-axle bogies Online publication date: Fri, 18-Nov-2022
by Junchao Zhou; Zixue Du; Jilong Yin
International Journal of Heavy Vehicle Systems (IJHVS), Vol. 29, No. 3, 2022
Abstract: Lateral stability of straddle-type monorail vehicle (STMV) with single-axle bogies, as a new type of bogies, has been paid more and more attention. To solve it the lateral control method of a semi-active suspension system for STMV dynamic model with single-axle bogies based on magnetorheological fluid damper is proposed. The full-scale dynamics model of 34 freedom and magneto-rheological (MR) damper is established. An adaptive fuzzy hybrid strategy for STMV dynamic model based on vehicle body acceleration and velocity feedback is designed. The inverse mechanical model of MR damper is established to predict the control current. The dynamic characteristics of a semi-active suspension system based on MR damper model are studied by numerical method. The dynamic response of a STMV model with a semi-active suspension system is analysed. The simulation results show that the proposed adaptive control strategy can improve the comfort of the vehicle and improve the stability of the operation.
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