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Active Handling Control of the Differential Brake System Using Fuzzy Controller  

윤여흥 (전북대 기계공학과 대학원)
장봉춘 (안동대학교 기계공학부)
이성철 (전북대학교 기계공학부, 자동차신기술연구소)
Publication Information
Journal of the Korean Society for Precision Engineering / v.20, no.5, 2003 , pp. 82-91 More about this Journal
Abstract
Vehicle dynamics control (VDC) has been a breakthrough and become a new terminology for the safety of a driver and improvement of vehicle handling. This paper examines the usefulness of a brake steer system (BSS), which uses differential brake forces for steering intervention in the context of VDC, In order to help the car to turn, a yaw moment can be achieved by altering the left/right and front/rear brake distribution. The steering function achieved through BSS can then be used to control lateral position in an unintended road departure system. An 8-DOF non-linear vehicle model including STI tire model will be validated using the equations of motion of the vehicle, and the non-linear vehicle dynamics. Since fuzzy logic can consider the nonlinear effect of vehicle modeling, fuzzy controller is designed to explore BSS feasibility, by modifying the brake distribution through the control of the yaw rate of the vehicle. The control strategies developed will be tested by simulation of a variety of situation; the possibility of VDC using BSS is verified in this paper.
Keywords
ITS; Vehicle dynamics; Steer Intervention; Differential braking; Non-linear vehicle model; Fuzzy controller;
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Times Cited By KSCI : 1  (Citation Analysis)
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