| 双激光二极管速度传感器设计 |
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| 引用本文： | 杨淑连. 双激光二极管速度传感器设计[J]. 光电工程, 2006, 33(8): 132-135 |
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| 作者姓名： | 杨淑连 |
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| 作者单位： | 山东理工大学,电气与电子工程学院,山东,淄博,255049 |
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| 基金项目： | 山东省自然科学基金;山东理工大学校科研和教改项目 |
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| 摘 要： | 本文验证了基于自混合效应的速度传感器的可行性,并设计了单激光二极管速度传感器,其标准偏差为0.22%。为了提高其精度,消除入射角的非控制变化和速度垂直分量的影响,我们设计了双激光二极管速度传感器,其标准偏差为0.03%。
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| 关 键 词： | 速度传感器 激光二极管 自混合效应 速度测量 |
| 文章编号： | 1003-501X(2006)08-0132-04 |
| 收稿时间： | 2005-08-20 |
| 修稿时间： | 2005-12-25 |
Design of double laser transducer for velocity measurements |
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| YANG Shu-lian. Design of double laser transducer for velocity measurements[J]. Opto-Electronic Engineering, 2006, 33(8): 132-135 |
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| Authors: | YANG Shu-lian |
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| Affiliation: | School of Electric and Electronic Engineering, Shandong University of Technology, Zibo 255049, China |
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| Abstract: | We validate the feasibility of velocity transducer based on the laser diode self-mixing effect. Single laser diode sensor prototype is developed. Standard deviation of velocity measurement result is 0.22% in road test. Some factors such as drift of incident angle, vertical component of speed vector bring bad influence. In order to improve the accuracy of the system, a double laser diode sensor is developed. It can overcome the influence from drift of incident angle and vertical component of speed vector. Experiment results show that its mean standard deviation is only 0.03%. |
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| Keywords: | Velocity sensor Laser diode Self-mixing effect Velocity measurement |
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