A conventional absolute encoder consists of multiple tracks and therefore has a large size. Based on the theory of shared control, a new kind of absolute encoder called the shared track Gray encoder is proposed. This encoder has only one track, and the code has the characteristics of Gray code. In this paper, first the working principle of the encoder is introduced and the existence condition of the codes for the shared track Gray encoder is derived. Then the search procedure for the codes using self-developed assembler programs is given. Finally, the pattern of the encoder is presented. Since the shared track Gray encoder has only one track and the code is progressive, it is much smaller in size and higher in accuracy than a conventional one. [S0022-0434(00)01503-3]
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September 2000
Technical Briefs
Coding of Shared Track Gray Encoder
Xiren Yan, Mem. ASME,,
Xiren Yan, Mem. ASME,
Dept. of Mechanical & Aeronautical Eng., University of California, Davis, CA 95616
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Qiyi Wang
Qiyi Wang
School of Mechanical Eng., Northeastern University, Shenyang, China
Search for other works by this author on:
Xiren Yan, Mem. ASME,
Dept. of Mechanical & Aeronautical Eng., University of California, Davis, CA 95616
Qiyi Wang
School of Mechanical Eng., Northeastern University, Shenyang, China
Contributed by the Dynamic Systems and Control Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS. Manuscript received by the Dynamic Systems and Control Division January 4, 1999. Associate Technical Editor: S. Nair.
J. Dyn. Sys., Meas., Control. Sep 2000, 122(3): 573-576 (4 pages)
Published Online: January 4, 1999
Article history
Received:
January 4, 1999
Citation
Yan, X., and Wang , Q. (January 4, 1999). "Coding of Shared Track Gray Encoder ." ASME. J. Dyn. Sys., Meas., Control. September 2000; 122(3): 573–576. https://doi.org/10.1115/1.1286628
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