Development of portable and real-time self-calibration angle encoder

Yao Huang; Zi Xue; Hu Lin; Yan Wang

doi:10.1117/12.2214410

26 January 2016 Development of portable and real-time self-calibration angle encoder

Yao Huang, Zi Xue, Hu Lin, Yan Wang

Author Affiliations +

Proceedings Volume 9903, Seventh International Symposium on Precision Mechanical Measurements; 99030F (2016) https://doi.org/10.1117/12.2214410
Event: Seventh International Symposium on Precision Mechanical Measurements, 2015, Xia'men, China

Abstract

At National Institute of Metrology, China (NIM), a portable and real-time self-calibration angle encoder was developed to meet the requirement of angular measurement with high accuracy, high speed, and high adaptability in limited size. In the development, the special arrangement of reading heads, the structure of bearing was designed base on the novel selfcalibration method, and the corresponding signal acquisition and processing system was set up with capability of high speed and multi-channel synchronous data acquisition and processing. The max rotary speed of this angle encoder gets 18 r/min (110°/s) in real-time mode. This angle encoder was compared with NIM’s primary angle standard. The calibration result shows that this angle encoder has angle measuring accuracy better than ±4″.

Citation Download Citation

Yao Huang, Yao Huang, Zi Xue, Zi Xue, Hu Lin, Hu Lin, Yan Wang, Yan Wang, "Development of portable and real-time self-calibration angle encoder", Proc. SPIE 9903, Seventh International Symposium on Precision Mechanical Measurements, 99030F (26 January 2016); doi: 10.1117/12.2214410; https://doi.org/10.1117/12.2214410

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