An automatic detection system of encoder error based on motion control technology
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摘要:为了改进编码器误差检测方法,提高检测效率,基于对光电轴角编码器误差检测现状的分析,设计了一种编码器误差自动检测系统。介绍了自动检测系统的工作原理,系统的硬件设计和软件设计。利用运动和全闭环控制技术,以24位高精度增量式光电轴角编码器为反馈元件,该自动检测系统可自动完成对编码器测试点的定位、数据获取和误差数据分析,定位精度为2″,可以检测18位以下各类光电轴角编码器的误差,检测效率是标准检测装置的6倍。该实验结果验证了方案的可行性。Abstract:In order to improve detection methods and detection efficiency for encoders, an automatic detection system for encoder errors is brought forward based on the analysis of encoder error detection status. The working principle and the design of hardwares and softwares for the proposed system are introduced in detail. Experimental results show that the automatic detection system can realize the positioning of measuring points, data acquisition and error analysis for encoders automatically by using motion control and all closedloop control in taking a 24 bit incremental encoder as the feedback element. It has the positioning accuracy of 2″ and can be used to detect the errors of all kinds of encoders less than 18 bits. In the experiment, the detection efficiency of the automatic detection system is 6 times as high as that of the standard device, which proves the feasibility of the project.
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Key words:
- Optical encoder/
- error/
- motion control/
- automatic detection
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