Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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Adhesive Force Control of Railway Rolling Stock Using Reference Slip Generator and Adaptive Sliding-mode Technique

기준 슬립 발생기 및 적응 슬라이딩 모드 기법을 이용한 철도차량 제동력 제어

  • 임태형 (울산대학교 기계자동차 대학원) ;
  • 김승수 (울산대학교 산학협력단) ;
  • 최정주 (울산대학교 산학협력단) ;
  • 이병룡 (울산대학교 기계자동차공학부) ;
  • 양순용 (울산대학교 기계자동차공학부) ;
  • Published : 2007.05.01
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Abstract

In the braking of railway rolling stock, the slip that is the relative velocity between train body and its wheel affects the adhesive force which is connected to the braking force. The coefficient of the adhesive force changes in accordance with the slip and the condition of a rail road. Namely, its value increases upon the maximum on a rail condition, and there it declines conversely while the magnitude of slip keeps rising on. First, this paper introduced a reference slip generator so that can utilize maximum adhesive forces with a disturbance observer for estimating unmeasurable current adhesive forces which is as an input of the generator. And, an adaptive sliding-mode control system has been synthesized for minimizing the error between reference and current slip. Finally the effectiveness of the proposed control system is evaluated by computer simulation.

Keywords

References

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