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The authors researched and developed a new measurement method that can continuously measure the contact forces and derailment coefficients at all curves of commercial lines. This new method can determine the derailment coefficients, which change according to the friction coefficients and other factors, using the measuring system on in-service trains. In this paper, the analysis results for actual...
In this paper we describe two new measuring methods of contact forces, derailment coefficient, and friction coefficient between wheel and rail. The new method from on-board side needs no special wheelset and can realize constant monitoring of derailment coefficient. The new method from track side can measure the change of contact forces continuously along the rail direction. The comparisons with conventional...
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