Method of velocity measurement based on moire fringe and total differential equations

	Method of velocity measurement based on moire fringe and total differential equations
	Wang, Y.; Q. Wan; S. Wang; S. Yang and Y. Du
	2015
发表期刊	Zhongguo Jiguang/Chinese Journal of Lasers
卷号	42 期号:11
摘要	For the purpose of improving the velocity measurement accuracy of photoelectric encoders, a velocity measurement method based on the signal of moire fringe is proposed. A velocity measurement model based on moire fringe is established using the total differential equations. The main factors affecting velocity measuring accuracy are analyzed and the influence of different factors is compared. An improved algorithm is deduced and the measurement system is established based on the velocity model. Measurement results on some 21-bit photoelectric encoder indicate that the root mean square of measurement error has reduced from 0.0367 rad/s to 0.0216 rad/s. This method can achieve fast and high-accuracy measurement, and be suitable for the control system requiring for high real-time capability. 2015, Chinese Laser Press. All right reserved.
文章类型	期刊论文
收录类别	EI
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/56385
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Wang, Y.,Q. Wan,S. Wang,et al. Method of velocity measurement based on moire fringe and total differential equations[J]. Zhongguo Jiguang/Chinese Journal of Lasers,2015,42(11).
APA	Wang, Y.,Q. Wan,S. Wang,&S. Yang and Y. Du.(2015).Method of velocity measurement based on moire fringe and total differential equations.Zhongguo Jiguang/Chinese Journal of Lasers,42(11).
MLA	Wang, Y.,et al."Method of velocity measurement based on moire fringe and total differential equations".Zhongguo Jiguang/Chinese Journal of Lasers 42.11(2015).

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