Condition Monitoring and Evaluation of Railway Vehicles Using New Index Values Consisting of Wheel Load and Lateral Force

The on-line condition monitoring system can monitor the condition of the train by measuring the wheel load and lateral force of the train passing through the measurement point over a long period of time. With this system, the derailment coefficient and wheel load balance of the sharp curve section have already been monitored. On sharp curves section, it is very important to evaluate the steering performance of the bogie and the lubrication conditions at the contact point between the wheels and rails. In addition, many types of bogie are running on the same section. It is efficient to evaluate the steering performance of the bogie and the lubrication conditions at the contact point between the wheels and rails from the ground side. In this study, new indicators consisting of wheel load and lateral force were introduced and evaluated to add train steering performance to monitoring system.