| 码盘偏心对叠栅条纹信号相位的影响 |
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| 引用本文： | 罗长洲,孙岩,胡晓东,高立民,陈良益.码盘偏心对叠栅条纹信号相位的影响[J].光子学报,2003,32(10):1271-1273. |
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| 作者姓名： | 罗长洲 孙岩 胡晓东 高立民 陈良益 |
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| 作者单位： | 1. 中国科学院西安光学精密机械研究所动目标光电测控室,西安,710068
2. 青岛海西电子有限公司,青岛,266000 |
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| 摘 要： | 根据两计量光栅产生叠栅条纹的几何光学基本理论,在改进计量光栅码盘理论模型的基础上,推导出码盘偏心情况下读头输出的叠栅条纹信号相位的理论公式,对码盘偏心给叠栅条纹信号相位带来的偏差进行了分析与讨论.
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| 关 键 词： | 光学编码器 增量式编码器 叠栅条纹 偏心 相位 |
| 收稿时间： | 2002/11/25 |
| 修稿时间： | 2002年11月25 |
The Affect on Phase of Moire Fringes′ Signal Caused by Shaft Eccentricity |
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| Luo Changzhou,Sun Yan,Hu Xiaodong,Gao Liming,Chen Liangyi.The Affect on Phase of Moire Fringes′ Signal Caused by Shaft Eccentricity[J].Acta Photonica Sinica,2003,32(10):1271-1273. |
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| Authors: | Luo Changzhou Sun Yan Hu Xiaodong Gao Liming Chen Liangyi |
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| Institution: | 1. Laboratory of Measuring and controlling moving target, Xi’an Institute of Optics &; Precision Mechanics, Chinese Academy of Sciences, Xi’an 710068;2. Qingdao Haixi Electrical Ltd., Qingdao 266000 |
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| Abstract: | According to the elementary geometry optics theory of two grating forming Moiré fringes,an improved model of incremental optical disk was put forward,a generic theoretical formula on phase of Moiré fringes affected by shaft eccentricity was gained,the error of this phase caused by shaft eccentricity was analyzed and discussed. |
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| Keywords: | Optical encoder Incremental encoder Moiré fringe Phase Shaft eccentricity |
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