基于模糊滑模控制的智能悬架系统研究

Hongwei Li
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引用次数: 0

摘要

研究了半主动悬架系统的动力学建模和控制方法。建立了半轿车四自由度半主动悬架模型。给出了道路输入模型、车身位移计算模型、车轮位移计算模型、车身位移与俯仰角计算模型和总体模型。分别设计了滑模控制器和模糊滑模控制器对悬架进行控制。模糊控制与滑模控制相结合可以减小整车的垂直加速度和俯仰角,表明本文提出的滑模模糊控制方法可以更有效地改善所研究悬架的平顺性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Research on Intelligent Suspension System Based on Fuzzy Sliding Mode Control
The dynamic modeling and control method of semi-active suspension system are studied. The four-degree-of-freedom semi-active suspension model of half car is established. The road input model, body displacement calculation model, wheel displacement calculation model, body displacement and pitch angle calculation model, and overall model is presented. The sliding mode controller and fuzzy sliding mode controller are designed respectively to control the suspension. The combination of fuzzy control and sliding mode control can reduce the vertical acceleration and the pitch Angle of the vehicle body, which indicates that the sliding mode fuzzy control method presented here can improve the ride comfort of the studied suspension more effectively.
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