Sliding Mode Control for Semi-Active Suspension System Based on Enhanced African Vultures Optimization Algorithm
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Published:2024-08-21
Issue:8
Volume:15
Page:380
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ISSN:2032-6653
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Container-title:World Electric Vehicle Journal
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language:en
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Short-container-title:WEVJ
Author:
Li Yuyi1, Fang Zhe2, Zhu Kai1ORCID, Yu Wangshui1
Affiliation:
1. School of Automobile and Traffic Engineering, Jiangsu University of Technology, Changzhou 213001, China 2. CRRC Nanjing Puzhen Co., Ltd., Nanjing 210031, China
Abstract
To improve the ride comfort and driving stability of automobiles, an optimal sliding mode control (OSMC) strategy based on the enhanced African vultures optimization algorithm (EAVOA) is proposed. Firstly, the structure and operating principle of a semi-active suspension system (SASS) with a magnetorheological damper (MRD) is comprehensively introduced. Secondly, the OSMC is designed based on a quarter-vehicle suspension model with two degrees of freedom (DOF) to meet the Hurwitz stability theory. Simultaneously, the EAVOA is employed to optimize the control coefficients of the sliding mode surface and the control law parameters. Finally, the EAVOA-OSMC control strategy is utilized to construct the simulation model in MATLAB/Simulink (R2018b), providing a comprehensive analysis for passive suspension systems (PSSs) and suspensions with SMC control. The simulation results demonstrate that the EAVOA-OSMC control strategy outperforms SMC controllers, offering a better control performance in real application.
Funder
Beijing Jiaotong University Program
Reference31 articles.
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