Research on high-precision laser displacement sensor based error compensation model

被引：0
|
作者：
Zhang, Zhifeng [1 ]
Zhai, Yusheng [1 ]
Su, Zhan [2 ]
Qiao, Lin [1 ]
Tang, Yiming [3 ]
Wang, Xinjie [3 ]
Su, Yuling [1 ]
Song, Zhijun [1 ]
机构：
[1] Zhenghzou Univ Light Ind, Sch Phys & Elect Engn, Zhengzhou 450002, Peoples R China
[2] Henan Automat Engn & Technol Res Ctr, Zhengzhou 450008, Peoples R China
[3] Zhengzhou Univ Light Ind, Mech & Eletr Engn Inst, Zhengzhou 450002, Peoples R China
来源：
2015 INTERNATIONAL CONFERENCE ON OPTICAL INSTRUMENTS AND TECHNOLOGY: OPTOELECTRONIC MEASUREMENT TECHNOLOGY AND SYSTEMS | 2015年 / 9623卷
关键词：
triangulation; laser displacement sensor; error compensation; measuring range;
D O I：
10.1117/12.2193326
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The triangulation measurement is a kind of active vision measurement. The laser triangulation displacement is widely used with advantages of non-contact, high precision, high sensitivity. The measuring error will increase with the nonlinear and noise disturbance when sensors work in large distance. The paper introduces the principle of laser triangulation measurement and analyzes the measuring error and establishes the compensation error. Spot centroid is extracted with digital image processing technology to increase noise-signal ratio. Results of simulation and experiment show the method c an meet requirement of large distance and high precision.
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页数：7
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