Modelling and analysis of skyhook and Fuzzy logic controls in semi-active suspension system

R. Anand, S. Shrivastava, M. Trikande
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引用次数: 5

Abstract

Developing vehicles with semi-active suspension by replacing passive system has been a great interest in the field of automotive industry. Maintaining stability and performance in spite of uncertainties in working environment is a prior concern for designing successful control system. Skyhook control policy is adapted for giving good ride performance. This paper introduces an optimum method for controlling vibration of semi-active suspension system in a quarter car system. Fuzzy logic controller developed on the basis of skyhook algorithm is compared with on-off and continuous skyhook control in time domain. The results show that Fuzzy logic gives better vibration control and along with PID velocity control gives better ride comfort than its counterparts.
半主动悬架系统天钩与模糊逻辑控制建模与分析
用半主动悬架取代被动悬架,开发半主动悬架已成为汽车工业领域的研究热点。在工作环境不确定的情况下,保持控制系统的稳定性和性能是设计成功控制系统的首要考虑因素。天钩控制策略适用于提供良好的驾驶性能。介绍了四分之一轿车半主动悬架系统振动的优化控制方法。将基于天钩算法开发的模糊控制器与开关和连续天钩控制在时域上进行了比较。结果表明,模糊控制能较好地控制振动,并与PID速度控制相结合,具有较好的平顺性。
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