The invention discloses a dynamic irregularity measurement system for rail transit and a wheel-rail relation evaluation method, the system comprises an on-board unit, the on-board unit is arranged in traffic equipment, and the on-board unit comprises a power supply, a data acquisition box and an industrial personal computer; the under-vehicle unit is arranged outside the traffic equipment and comprises a vibration acceleration sensor, a cable and a ribbon; the on-vehicle unit and the off-vehicle unit carry out signal transmission through a multi-core cable. After data are collected, a wheel-rail relation evaluation method is used, and a theoretical model is combined to evaluate the wheel-rail relation, the comfort level of passengers and the like, so that the health conditions of lines and traffic equipment are further reflected. According to the method, the theoretical model is applied to system construction of wheel-rail contact state and line health evaluation, the unicity of an original system based on line geometric parameter evaluation is enriched, meanwhile, line health maintenance can be scientifically evaluated and guided, and an optimal line management and maintenance policy is formulated from the perspective of the whole life cycle cost of the line.
本发明公开了一种轨道交通的动态不平顺测量系统及轮轨关系评估方法,系统包括车上单元,车上单元设置在交通设备内部,其包括电源、数据采集箱和工控机;车下单元,车下单元设置在交通设备外部,其包括振动加速度传感器、线缆与扎带;车上单元与车下单元通过多芯线缆进行信号传输。采集数据后使用轮轨关系评估方法,结合理论模型来评价轮轨关系和乘客的舒适度等,进一步反应线路和交通设备的健康状况。本发明将理论模型运用于轮轨接触状态及线路健康评价的体系建设中,丰富了原有基于线路几何参数评价的体系的单一性,同时能够科学评价指导线路健康维护,从线路全寿命周期成本角度出发并制定最佳的线路管养方针。
Dynamic irregularity measurement system for rail transit and wheel-rail relation evaluation method
一种轨道交通的动态不平顺测量系统及轮轨关系评估方法
2023-09-19
Patent
Electronic Resource
Chinese
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