本文论述了利用摩托车制动盘不平度、硬度检测系统的基本原理、系统的组成、传感器的结构、硬件及软件的设计。结果表明,该系统检测精度高、速度快、操作简单、技术先进,适用于摩托车液压制动器制动盘等零部件的硬度、变形量的在线检测。 This article discusses the use of motorcycle brake disc roughness, the hardness of the basic principles of detection systems, system components, sensor structure, hardware and software design. The results show that the system has the advantages of high precision, fast speed, simple operation and advanced technology. It is suitable for on-line testing of the hardness and deformation of the brake disc of motorcycle hydraulic brake.