Study on the metrological performance of self-calibration angle encoder

Yao Huang; Zi Xue; Dan Qiao; Yan Wang; Chunran Yue; Guixin Liu; Zhichao Wang

doi:10.1117/12.2246004

27 September 2016 Study on the metrological performance of self-calibration angle encoder

Yao Huang, Zi Xue, Dan Qiao, Yan Wang, Chunran Yue, Guixin Liu, Zhichao Wang

Proceedings Volume 9684, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test, Measurement Technology, and Equipment; 96840O (2016) https://doi.org/10.1117/12.2246004
Event: Eighth International Symposium on Advanced Optical Manufacturing and Testing Technology (AOMATT2016), 2016, Suzhou, China

Abstract

The self-calibration method for angle measurement is introduced, and the optimal arrangement of several equal distance distribution groups of reading heads was proposed to realize highly effective restraint of the specified Fourier components of angular measuring deviation in loosely restricted environment. Base on this method, a self-calibration angle encoder system was developed using micro reading heads, glass scale disc, air bearing, and multi-channel counter. According the method of examination of the angular measuring standard, the metrological performance of the system was evaluated using national angle standard of China. The evaluation result revealed that the measuring deviation is within ±1.5″, the measuring repeatability is less than 1.1″. Referring to the verification scheme of measuring instrument for plane angle, the system can be used to calibrate the angular measuring instrument with max permissible error worse than ±4.5″in situ.

Citation Download Citation

Yao Huang, Zi Xue, Dan Qiao, Yan Wang, Chunran Yue, Guixin Liu, and Zhichao Wang "Study on the metrological performance of self-calibration angle encoder", Proc. SPIE 9684, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test, Measurement Technology, and Equipment, 96840O (27 September 2016); https://doi.org/10.1117/12.2246004

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