Vibration control of active vehicle suspension system using fuzzy logic algorithm

Essam Allam (), Hesham Fath Elbab, Magdy Abdel Hady and Shawki Abouel-Seoud
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Essam Allam: Helwan University
Hesham Fath Elbab: Helwan University
Magdy Abdel Hady: Helwan University
Shawki Abouel-Seoud: Helwan University

Fuzzy Information and Engineering, 2010, vol. 2, issue 4, 361-387

Abstract: Abstract Vehicle suspension along with tires and steering linkages is designed for safe vehicle control and to be free of irritating vibrations. Therefore the suspension system designs are a compromise between ride softness and handing ability. However, this work is concerned with a theoretical investigation into the ride behavior of actively suspended vehicles. It is based on using fuzzy logic control (FLC) to implement a new sort of active suspension system. Comparisons between the behavior of active suspension system with FLC with those obtained from active systems with linear-quadratic regulator (LQR), ideal skyhook system and the conventional passive suspension systems. Results are introduced in such a way to predict the benefits that could be achieved from a fuzzy logic system over other competing systems. Furthermore, a controller is designed and made by using results of FLC system, theoretical inputs are used to examine the validity of this controller. Moreover, comparison between actual outputs from this controller with those obtained theoretically is made to judge the validity of the controller. The results indicate that the controller has a good capability in simulation of the theoretical model.

Keywords: Body acceleration; Suspension working space; Dynamic tire deflection; Fuzzy control; Active suspension; Skyhook; Passive suspension (search for similar items in EconPapers)
Date: 2010
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DOI: 10.1007/s12543-010-0056-3

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