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Proceedings Paper

Three intelligentization methods for time grating displacement sensor
Author(s): Xiaokang Liu; Donglin Peng; Yetai Fei; Yudan Zeng
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Paper Abstract

To improve the precision of time grating displacement sensor and enhance its performance by software, three intelligentization methods are studied. A self-compensation method is proposed based on digital closed-loop control technology that eliminates the influences of these factors such as working condition, circuitry parameters and so on. A self-calibration method for time grating is presented that eliminates zero drift and gain drift without external high-precision reference signals. Then an error self-correction method is proposed. Experiment results conform that high stability is obtained by using self-compensation and self-calibration technology, and high precision is achieved by using self-correction technology.

Paper Details

Date Published: 31 December 2008
PDF: 7 pages
Proc. SPIE 7130, Fourth International Symposium on Precision Mechanical Measurements, 71301H (31 December 2008); doi: 10.1117/12.819591
Show Author Affiliations
Xiaokang Liu, Chongqing Institute of Technology (China)
Donglin Peng, Chongqing Institute of Technology (China)
Yetai Fei, Hefei Univ. of Technology (China)
Yudan Zeng, Chongqing Institute of Technology (China)


Published in SPIE Proceedings Vol. 7130:
Fourth International Symposium on Precision Mechanical Measurements
Yetai Fei; Kuang-Chao Fan; Rongsheng Lu, Editor(s)

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