鉄道車両の駆動軸系自励振動 : 台車系振動が及ぼす影響についての理論的一考察

概要

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The influence of the truck system vibration which exerts on self-excited vibration of driving axle shaft during slippage is investigated. The analyses of stability condition are performed using the analytical model vhich is composed of both the truck system and the driving axle system. These analyses reveal that the self-excited vibration is caused by the variation in axle load and the friction coefficient as a parameter has the critical value on the stability boundary. When the friction coefficient is less than the critical value, the system is stable, and in this case the system matrix is symmetrizable. Further-more, the novel method for the stability criterion is obtained by the use of the critical value map in the parameter plane of which coordinate axes are expressed by the ratios of the truck system eigenvalues to the driving axle system eigenvalues.
一般社団法人日本機械学会の論文
1998-06-25