20 November 2003 Automatic high-precision calibration system for angle encoder (II)
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This paper describes the automatic calibration system for an angle encode which is installed at the AIST (National Institute of Advanced Industrial Science and Technology). The system uses the Equal-Division-Averaged (EDA) method that is one kind of the self-checking method. This system has great performance of the calibration with small uncertainty. In this paper we try to explain the factor of uncertainty of this system. The dominant uncertainty factor is the eccentricity of shaft between the system and an external rotary encoder. The influence from other factors is very small about 0.01" or less.
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Tsukasa Watanabe, Tsukasa Watanabe, Hiroyuki Fujimoto, Hiroyuki Fujimoto, Kan Nakayama, Kan Nakayama, Tadashi Masuda, Tadashi Masuda, Makoto Kajitani, Makoto Kajitani, "Automatic high-precision calibration system for angle encoder (II)", Proc. SPIE 5190, Recent Developments in Traceable Dimensional Measurements II, (20 November 2003); doi: 10.1117/12.506473; https://doi.org/10.1117/12.506473


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