Abstract
A new concept of improving car behavior in curving by the control of creep force with friction modifier was proposed by the authors. The fundamental experiments were performed by two-roller-rig testing machine to evaluate the creep force characteristics between wheel and rail with or without friction modifier. The other hand, on-board spraying system for friction modifier had been developed by authors and equipped on the service car. And the test results in service line show that the effect of installing the friction modifier into railway system has improved the curving performance. This paper presents results of experiments with scaled model vehicle and theoretical analysis of improved curving performance by the proposed method with friction modifier between wheel and rail with scaled model vehicle.
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