International Journal of Fuzzy Logic and Intelligent Systems

Korean Institute of Intelligent Systems (한국지능시스템학회)
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Fuzzy Skyhook Control of A Semi-active Suspension System

  • Cho Jeong-Mok (Dept. of Control & Instrumentation Eng. Changwon National University) ;
  • Jung Tae-Geun (Dept. of Control & Instrumentation Eng. Changwon National University) ;
  • Joh Joong-Seon (Dept. of Control & Instrumentation Eng. Changwon National University)
  • Published : 2006.06.01
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Abstract

In the recent years, the development of computer-controlled suspension dampers and actuators has improved the trade-off between the vehicle handling and ride comfort, and has led to the development of various damper control policies. The skyhook control is an effective control strategy for suppressing vehicle vibration. In this study, a fuzzy skyhook control is proposed and tuned by a genetic algorithm to improve ride comfort. The proposed fuzzy skyhook control is applied to a quarter-car model in order to compare its performance with continuous skyhook suspensions. To obtain optimized fuzzy skyhook control, scale factors and in-out membership functions are tuned by a genetic algorithm. The simulation results show that the fuzzy skyhook control offers more effective suspension performance over the continuous skyhook control.

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References

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