Study on Six Degree-of-Freedom Electromagnetic Tracking System

被引：0

作者：

Yin Qin ^{[1
]}

Wang Dong ^{[1
,2
]}

Shen Xinmin ^{[1
]}

Yang Chengsong ^{[1
]}

机构：

[1] Army Engn Univ, Coll Field Engn, Nanjing 210014, Jiangsu, Peoples R China

[2] Southern Theater Command, Inst Engn Res & Design 2, Kunming 650222, Yunnan, Peoples R China

来源：

PROCEEDINGS OF THE 2ND INTERNATIONAL FORUM ON MANAGEMENT, EDUCATION AND INFORMATION TECHNOLOGY APPLICATION (IFMEITA 2017) | 2017年 / 130卷

基金：

中国国家自然科学基金;

关键词：

Electromagnetic Tracking; Anisotropic Parameters; Eigenvector; Tracking Algorithm;

D O I：

暂无

中图分类号：

G40 [教育学];

学科分类号：

040101 ; 120403 ;

摘要：

In order to solve the problem of precision degrading caused by the different gains of three axes in six degree of freedom electromagnetic tracking system, the model of anisotropic parameters was introduced, based on magnetic dipole model. An improved arithmetic was proposed to calculate the location parameters, which was a combination of the maximal ponderance of unit pointing vector tracking arithmetic and the eigenvector arithmetic. This arithmetic solved the problem of magnifying calculation error in some angle area. The orientation transformation matrix can be calculated by received matrix, which avoids the error accumulation. These methods simplified the complexity and promoted the system stability. An new method to get the anisotropic parameters was estabished by three knowd points. The numeriacl simualtions and experiment results prove the model is valid and can improve the precision of the system.

引用

页码：578 / 584

页数：7

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