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A Study on a Intelligent Controller for Vibration Control of Semi-Active Suspension System

[+] Author Affiliations
Zhang Ke

Shanghai Institute of Technology

Wang Shiming

Shanghai University of Electric Power

Paper No. IMECE2005-79492, pp. 329-333; 5 pages
doi:10.1115/IMECE2005-79492
From:
  • ASME 2005 International Mechanical Engineering Congress and Exposition
  • Dynamic Systems and Control, Parts A and B
  • Orlando, Florida, USA, November 5 – 11, 2005
  • Conference Sponsors: Dynamic Systems and Control Division
  • ISBN: 0-7918-4216-9 | eISBN: 0-7918-3769-6
  • Copyright © 2005 by ASME

abstract

The physical model of semi-active quarter-coach suspension was established based on the theories of Buckingham’s Pi theorem in this paper. According to the characteristics of the semi-active suspension, a new intelligent control algorithm based on the Fuzzy logic control and cerebellar model articulation control techniques-Fuzzy cerebellar model articulation control (FCMAC) was presented and used to perform online control of semi-active suspension for the first time, novel weight-update laws were derived that guarantee the stability of closed-loop system, both information retrieval and learning rules were described by algebraic equations in matrix form. The results of experiment of closed -loop excited by three typical vibration signals showed that FCMAC control strategy can reduce the value of mean square root of vertical acceleration for semi-active suspension system to be lower 23%, 25% and 18% compared with the traditional control strategy such as PID.

Copyright © 2005 by ASME

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