基于路面激励的车辆主动悬架改进模糊- pid集成控制

Q4 Engineering

International Journal of Vehicle Noise and Vibration Pub Date : 2021-01-01 DOI:10.1504/ijvnv.2021.10043720

Y. Chenguang, Hu Qiguo

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引用次数: 1

摘要

为了提高汽车在各种路况下的平顺性和鲁棒性，提出了一种改进的汽车座椅主动悬架和底盘主动悬架的模糊- pid集成控制策略。与一般的模糊PID控制方法相比，该控制策略可以根据路面的随机激励和座椅的垂直速度实时调整控制器的量化因子、比例因子和PID参数值，从而实现对控制力更精确的控制。建立了11自由度车辆平顺性模型，在MATLAB/Simulink中对车辆在A、B、C、D级路面上的行驶进行了仿真。结果表明，改进后的车辆主动悬架模糊pid综合控制能显著提高车辆的平顺性和操纵稳定性，且效果明显优于模糊pid控制。

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Improved fuzzy-PID integrated control for vehicle active suspension based on road excitation

: In order to improve the ride comfort of a car and its robustness under various road conditions, an improved fuzzy-PID integrated control strategy for the active suspension of the vehicle seat and the active suspension of the chassis is proposed. Compared with the general fuzzy-PID control method, the control strategy can adjust the quantisation factor, scale factor and PID parameter value of the controller in real time according to the random excitation of the road surface and the vertical speed of the seat, so as to achieve more accurate control of the control force. An 11-DOF vehicle ride comfort model is established to simulate the vehicle running on A, B, C and D grade road surface in MATLAB/Simulink. The results show that the improved fuzzy-PID integrated control of the vehicle active suspension can greatly improve the vehicle ride comfort and handling stability, and the effect is obviously better than that of the fuzzy-PID control.

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来源期刊

International Journal of Vehicle Noise and Vibration Engineering-Automotive Engineering

CiteScore

0.90

自引率

0.00%

发文量

期刊介绍： The IJVNV has been established as an international authoritative reference in the field. It publishes refereed papers that address vehicle noise and vibration from the perspectives of customers, engineers and manufacturing.