Adhesion Characteristics and Self-Excited Vibrations of Driving Axle System of Individual Drive Rectifier A. C. Locomotives

概要

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The ideal quality of the locomotive is that it produces a great tractive effort with less adhesive weight and with little vibrating stress in driving axle system, so that it has a superior adhesive characteristics and mechanical strength. In order to attain the ideal, the adhesive characteristics must be improved, and self-excited vibration of the driving axle system during slipping must be suppressed. Research has been performed in these directions. The fundamental equation for slip motion of AC locomotives was derived, and the conditions for suppressing self-excited vibration were sought. These data were studied by means of analog computers and truck testing equipment, and actual tests on service lines were conducted. As a result, success was attained in suppressing self-excited vibration. Studies were subsequently conducted of methods of improving the adhesive characteristics while simultaneously suppressing self-excited vibration. As a result, it was established that this objective could be attained.
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