한국정밀공학회지 (Journal of the Korean Society for Precision Engineering)

  • 제20권5호
  • /
  • Pages.82-91
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  • 2003
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  • 1225-9071(pISSN)
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  • 2287-8769(eISSN)
한국정밀공학회 (Korean Society for Precision Engineering)
권호 표지

퍼지제어기를 이용한 차동브레이크 시스템의 능동 조향제어

Active Handling Control of the Differential Brake System Using Fuzzy Controller

  • 윤여흥 (전북대 기계공학과 대학원) ;
  • 장봉춘 (안동대학교 기계공학부) ;
  • 이성철 (전북대학교 기계공학부, 자동차신기술연구소)
  • 발행 : 2003.05.01
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초록

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.

키워드

참고문헌

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