Wheel as an important part of train,its quality of wheel will affect the safety of train directly. At present, scratch on the wheel tread of the train was detected mostly in low speed circumstance in China. For this reason,a high-precision optical detection system of scratch on the wheel tread of train which adapt to high speed moving train was presented. Firstly,the principle of optical scratch detection was presented. Then,optical acquisition and computing system for the scratch on the wheel tread of train was designed with TMS320F2812. Finally, based on Visual Studio 6.0, the human-computer interaction system was designed. The results show that the optical detection system of scratch on the wheel tread of the train can realize the scratch detection on the wheel tread of train,and have advantages of high reliability, high precision, high efficiency, and well human-computer interface.%车轮作为火车的关键部件,其质量状况的好坏直接影响到行车安全.目前,国内车辆主要在低速情况下检测列车车轮擦伤情况,针对只能在低速情况下检测车轮擦伤的缺点,提出一种适用于中高车速的高精度光学式列车车轮擦伤检测系统.首先,介绍了光学式擦伤检测原理,然后,以TMS320F2812为主控芯片设计了光学式列车车轮擦伤采集计算系统,最后,基于Visual Studio 6.0设计了人机交互系统.实验结果表明,光学式列车车轮擦伤检测系统能够实现对列车车轮擦伤数据的检测,具有可靠性高、精度高、效率高、人机界面友好等特点.
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