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논문 기본 정보

저자정보
(Konkuk University) (Konkuk University)
저널정보
한국도시철도학회 IJAR IJAR 제3권 제2호
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    초록·키워드

    This paper presents a modeling of a nonlinear hysteresis that exists in a brake caliper clamping force of a mechanical brake system of a railway vehicle. The brake caliper has a high nonlinearity resulting from friction and pre-compressed spring of the brake cylinder and friction of a lever mechanism. However, in actual vehicle brake tests or brake HILS (hardware-in-the-loop-simulation) tests, the clamping forces were generally computed from measured pneumatic pressure without considering nonlinearity such as hysteresis, and thus the nonlinearity of the brake caliper could not be considered in the performance tests. In this paper, we measure the clamping force using loadcells, and then obtain a mathematical model of the nonlinearity of the clamping force between a brake pad and a brake disk. This resulting mathematical model represents the relationship between pneumatic pressure and clamping force. The model is verified by experimental studies.

    최근 본 자료 전체보기

      UCI(KEPA) : I410-ECN-0101-2016-326-001615854