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	The Extraction Technology of Weak Coupling AC Signal in an Electromagnetic Localization System
	Xiaojing Wang; Shuang Song; Chao Hu
	2010
会议名称	2010 IEEE International Conference on Robotics and Biomimetics, ROBIO 2010
会议地点	Tianjin, China
英文摘要	In the program of bone surgery robot, we employ an electromagnetic method to locate the position of surgical instruments and surgical sites. In this processing, the key part is to extract the coupling voltage signals that are sensed by the sensing coils as accurately as possible, because it will affect the precision of location directly. However, in the real system, these coupling voltage signals are very weak and be drowned in noises. In this paper, we propose three methods to extract this signal accurately, which are phase lock amplifier, function fitting and Fast Fourier Transformation (FFT). Also we make theoretical analysis and emulation for each method, and show their experimental results. After sedulous comparison, we conclude function fitting is the most suitable method for this system
收录类别	EI
语种	英语
内容类型	会议论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/2881]
专题	深圳先进技术研究院_集成所
作者单位	2010
推荐引用方式 GB/T 7714	Xiaojing Wang,Shuang Song,Chao Hu. The Extraction Technology of Weak Coupling AC Signal in an Electromagnetic Localization System[C]. 见:2010 IEEE International Conference on Robotics and Biomimetics, ROBIO 2010. Tianjin, China.

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