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Adhesion control is a key technology for preventing or reducing wheel slip/skid and improving reliability of traction/braking systems of railway vehicles. With the running speed and operation span of trains increasing, the issue of wheel-rail adhesion becomes rather complex, making traditional re-adhesion based adhesion control strategy inapplicable for HST. This work proposes a novel active adhesion...
As adhesion coefficient of high speed train (HST) varies with wheel-rail surface condition and running speed, it is thus rather difficult to obtain its accurate value via online measurement, making it non-trivial to design and implement traction/braking control scheme for HST. In this paper, force observers are developed to estimate the adhesion force and the resistance, respectively. Traction/braking...
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