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Proceedings Paper

Design of transmission error signal generator system based on FPGA and ARM
Author(s): Yong Zheng; Yan Chen
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Paper Abstract

The mechanical phase shifting method is often used to evaluate the accuracy of transmission error (TE) testing system, but the application scope of the mechanical phase shifting method is limited. This paper designed a new type of TE signal generator. Firstly, based on the principle analysis of the mechanical phase shifting method, the relationship between angle error from mechanical phase shifting and pulse signal of sensor is established, and then according to the TE’s synthesis formula we can obtained two displacement sensor signals which are used to replace real mechanical phase forming a special TE signal generator. The signal generator is composed of FPGA and ARM. The TE detection system is used to test the signal generator, after analysis, the error of the TE signal generator is 0.1%, which shows that the TE signal generator can be used to assess accuracy of TE system instead of the mechanical phase shifting method.

Paper Details

Date Published: 6 March 2015
PDF: 6 pages
Proc. SPIE 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation, 94461F (6 March 2015); doi: 10.1117/12.2180762
Show Author Affiliations
Yong Zheng, Chongqing Univ. of Technology (China)
Yan Chen, Chongqing Univ. of Technology (China)


Published in SPIE Proceedings Vol. 9446:
Ninth International Symposium on Precision Engineering Measurement and Instrumentation
Junning Cui; Jiubin Tan; Xianfang Wen, Editor(s)

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