Harmonic analysis application in accuracy improvement of precise turntable

	Harmonic analysis application in accuracy improvement of precise turntable
	Su Y.; Zhang J.; Chen B.; Yang F.; Zhao H.
	2014
发表期刊	Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering
ISSN	ISBN/10072276
卷号	43 期号:1 页码:274-278
摘要	In order to increase the angular position measurement accuracy and improve structure design of a precise turntable, the angular position measurement precision of its azimuth shafting was detected. The error included axial error, encode error and other errors. Fourier harmonic analysis was adopted in data processing. Harmonic waves with different orders were used to fit the data, low order harmonic waves were removed, which could increase the position measure accuracy. Meanwhile, the error sources had been found. The error look up table could be used to correct the measure data afterward. As the result shows, the value of angular position measurement error after corrected is 1/4 of the value before corrected, the amplitude is about 0.8, the angular position measurement accuracy has been increased a lot. A look up table was built to correct post-measurement data; the error sources were found, which will help to improve the shafting structure.
收录类别	EI
语种	中文
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/44022
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Su Y.,Zhang J.,Chen B.,et al. Harmonic analysis application in accuracy improvement of precise turntable[J]. Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,2014,43(1):274-278.
APA	Su Y.,Zhang J.,Chen B.,Yang F.,&Zhao H..(2014).Harmonic analysis application in accuracy improvement of precise turntable.Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,43(1),274-278.
MLA	Su Y.,et al."Harmonic analysis application in accuracy improvement of precise turntable".Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering 43.1(2014):274-278.

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