期刊
ENERGIES
卷 14, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/en14061674
关键词
magnetorheological fluid damper; inverse model; Elman neural network; grey wolf optimizer; semi-active suspension
资金
- International Cooperation Project for RMIT
- Tianjin University Joint Research Center: Investigation of Low-Frequency Idle Vibration and Lumpiness Control of Commercial Vehicle Driver's Seat through Passive and Semi-Active Control Technologies
This study proposes a semi-active vehicle suspension using a magnetorheological fluid damper, with an optimized fuzzy skyhook controller for vibration control. By optimizing with the grey wolf algorithm, the control method can reduce the amplitude of vertical acceleration, suspension deflection, and tire dynamic load simultaneously.
To improve the performance of vehicle suspension, this paper proposes a semi-active vehicle suspension with a magnetorheological fluid (MRF) damper. We designed an optimized fuzzy skyhook controller with grey wolf optimizer (GWO) algorithm base on a new neuro-inverse model of the MRF damper. Because the inverse model of the MRF damper is difficult to establish directly, the Elman neural network was applied. The novelty of this study is the application of the new inverse model for semi-active vibration control and optimization of the semi-active suspension control method. The calculation results showed that the new inverse model can accurately calculate the required control current. The fuzzy skyhook control method optimized by the grey wolf optimizer (GWO) algorithm was established based on the inverse model to control the suspension vibration. The simulation results showed that the optimized fuzzy skyhook control method can simultaneously reduce the amplitude of vertical acceleration, suspension deflection, and tire dynamic load.
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