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A Fuzzy-Logic Controller for an Electrically Driven Steering System for a Motorcar  

Lee, Sang-Heon (Centre for Advanced Manufacturing Research, University of South Australia)
Kim, Il-Soo (Department of Mechanical Engineering, Mokpo National University)
Jayantha katupitiya (School of Mech. & Manf. Eng. University of New South Wales, Sydney, NSW)
Publication Information
Journal of Mechanical Science and Technology / v.16, no.8, 2002 , pp. 1039-1052 More about this Journal
Abstract
This paper presents an application where a Fuzzy-Logic Controller (FLC) is used at a supervisory level to implement mutual coordination of the steering of the two front wheels of a motorcar. The two front wheels are steered by two independent discrete time state feedback controllers with a view to optimize the steering slip angles. The functions of the two controllers are tied together by way of a FLC. Because of the presence of unmodelled dynamics and disturbances acting on the two sides, it is difficult to achieve the desired performance using conventional control systems. This is the primary reason that FLC is emploged to solve the problem. The results show that the implemented system achieved desired coupling between the two independent systems and thereby reduces the difference between the two steered angles.
Keywords
FLC(Fuzzy-Logic Controller); Feedback Controller; PWM(Pulse Width Modulation); MATLAB System; PID (Proportional Integral Differential);
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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