Changchun Institute of Optics,Fine Mechanics and Physics,CAS
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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