Displacement estimation based on model calibration in weak feedback optical self-mixing system

被引：0

作者：

Wei, Lu ^{[1
]}

Xi, Jiangtao ^{[1
]}

Chicharo, Joe ^{[1
]}

机构：

[1] Univ Wollongong, Sch Elect Comp & Telecommun Engn, Wollongong, NSW 2522, Australia

来源：

2007 INTERNATIONAL SYMPOSIUM ON COMMUNICATIONS AND INFORMATION TECHNOLOGIES, VOLS 1-3 | 2007年

关键词：

D O I：

10.1109/ISCIT.2007.4392037

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：

This paper presents a novel method to estimate displacement of a moving object based on model calibration in a weak feedback laser diode self-mixing system. A hybrid genetic algorithm is employed to locate the global minimum for the cost function which is constructed as the discrepancy between theoretically calculated system output and the experimental data. In turn, displacement measurement is achieved by identifying the optimal parameters for the system model. The proposed method is tested by both simulation and experimental setup with measuring accuracy better than 25nm.

引用

页码：314 / 319

页数：6

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