介绍了一种新型的非接触式汽车车轮定位质量检测系统，它采用结构光传感器检测车轮的定位参数，建立了一套分布式二级信号处理系统，解决了接触式测量面临的困难，有效地提高了汽车车轮定位质量检测的速度和精度，满足了现代汽车工业生产中快速、在线、高精度测量的要求 A new type of non-contact automobile wheel alignment quality inspection system is introduced. The structure optical sensor is used to detect the wheel alignment parameters, and a distributed two-stage signal processing system is established to solve the problems of contact measurement effectively. Improve the speed and accuracy of automobile wheel alignment quality testing, and meet the requirements of fast, on-line and high-precision measurement in modern automobile industry