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COMPLEX STOCHASTIC WHEELBASE PREVIEW CONTROL AND SIMULATION OF A SEMI-ACTIVE MOTORCYCLE SUSPENSION BASED ON HIERARCHICAL MODELING METHOD  

Wu, L. (Institute of Sound and Vibration Control, Xi'an Jiaotong University)
Chen, H.L. (Institute of Sound and Vibration Control, Xi'an Jiaotong University)
Publication Information
International Journal of Automotive Technology / v.7, no.6, 2006 , pp. 749-756 More about this Journal
Abstract
This paper presents a complex stochastic wheelbase preview control method of a motorcycle suspension based on hierarchical modeling method. As usual, a vehicle suspension system is controlled as a whole body. In this method, a motorcycle suspension with five Degrees of Freedom(DOF) is dealt with two local independent 2-DOF suspensions according to the hierarchical modeling method. The central dynamic equations that harmonize local relations are deduced. The vertical and pitch accelerations of the suspension center are treated as center control objects, and two local semi-active control forces can be obtained. In example, a real time Linear Quadratic Gaussian(LQG) algorithm is adopted for the front suspension and the combination of the wheelbase preview and LQG control method is designed for the rear suspension. The results of simulation show that the control strategy has less calculating time and is convenient to adopt different control strategies for front and rear suspensions. The method proposed in this paper provides a new way for the vibration control of multi-wheel vehicles.
Keywords
Hierarchical modeling method; Motorcycle suspension; Semi-active control; Wheelbase preview;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By Web Of Science : 5  (Related Records In Web of Science)
Times Cited By SCOPUS : 9
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