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The Design of LQG Controller for Active Suspension Based on Analytic Hierarchy Process

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  • Lingjiang Chai
  • Tao Sun

Abstract

A full vehicle model with seven degrees of freedom based on active suspension control is established, and linear quadratic gaussian (LQG) is designed by applying optimal control theory. Especially, the methodology of Analytic Hierarchy Process (AHP) is used to make the selection of weighted coefficients of performance indexes, which can reduce ineffective job in contrast with experience method. From the simulation results, it is shown that ride quality of the vehicle with active suspension has been effectively improved in comparison with the vehicle of passive suspension by the methodology of AHP applying to the selection of the weights.

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  • Lingjiang Chai & Tao Sun, 2010. "The Design of LQG Controller for Active Suspension Based on Analytic Hierarchy Process," Mathematical Problems in Engineering, Hindawi, vol. 2010, pages 1-19, July.
    • Handle: RePEc:hin:jnlmpe:701951
    DOI: 10.1155/2010/701951
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