レールと車輪の接触状態が軌道回路の短絡に及ぼす影響 : 第4報,走行輪軸の短絡抵抗連続測定方法と測定結果(機械力学,計測,自動制御)

概要

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To investigated an inadequate track circuit shunting phenomena which rarely causes a serious railway accident, authors stuck bio-electric amplifiers on the wheel sets' axles of an experimental model truck. They operated the truck on an experimental model test track which was setup with a new conception so as to constantly keep the applied voltage to the wheelsets of the truck. Using the bio-electric amplifiers, the shunting circuit resistance of the wheelsets was continuously measured by the minute difference voltage induced in the wheelset. They investigated the relation ship between the running surface of rails and wheels and the shunting resistance. As the results, they found that the surface roughness of the wheel in a minute scale was radically decreased according to the running distance and that the resistance was simultaneously increased.
2005-04-25