一种高精度的光电编码器检测方法及其装置

A High Precision Test Method and Apparatus for Photoelectric Encoder

为解决高精度光电编码器检测中存在的问题,提出了最高分辨率检测和全面统计检测的方法,并研制了相应的自动化装置.该装置采用机械传动系统,配合步进电机,以蜗轮蜗杆对步进电机的输出角位移进行细分,提高了电机的控制精度,实现了高精度的测量;由PC作为上位机,单片机作为下位机对检测系统进行控制和数据采集,实现了测量的自动化;采用最高分辨率检测和全面统计的方法在PC机上进行自动数据分析,实现了分析的自动化.实例检测表明,该系统实现了对最高达18位的各类光电编码器静态和动态自动、快速、全面、精确的检测.且较功能相同的系统成本大幅降低,

A new method and apparatus is proposed to improve the precision and reduce the cost of photoelectric encoder measurements. The method is based on highest resolution measurement and completely statistical analysis. The system includes a stepping motor, a high precision worm reduction gear, a high speed single chip microcomputer, a low cost incremental optical electric encoder and some multi interfaces of communication protocols. The single chip microcomputer as the lower system can test and collect the optical electric encoder. The PC computer as host-computer can deal with the test data. The precision of the system can reach 18 binary digits. Results of application in practice showed that the method and apparatus is efficient and effective, the cost of the apparatus is less than the some kind of system.