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Content Provider | IEEE Xplore Digital Library |
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Author | Wenhui Xin Guozheng Yan Wenxin Wang |
Copyright Year | 2009 |
Description | Author affiliation: The School of Electronic, Information and Electrical Engineering, Shanghai Jiaotong University, Shanghai 200240, China (Wenhui Xin; Guozheng Yan; Wenxin Wang) |
Abstract | When the capsule endoscope (CE) is travel along the gastrointestinal tract, its position and orientation are always change. In order to continuously transmit enough power to the device, a wireless energy transmission system using Helmholtz transmitting coil and three-dimensional (3-D) receiving coil is introduced in this paper. Helmholtz coil is driven to generate a uniform alternating magnetic field covering whole of the gastrointestinal tract, 3-D coil retrieve enough power regardless of its position and orientation relative to the magnetic field. Up to 180 mW of stable power can be achieved under worst-case geometrical conditions with the outer dimension of the power receiver is Ø 10mm×10 mm, transmitting power is 16W and the resonant frequency is 181 kHz. The system is proved to be feasible and practical in power transmitting for CE. |
File Size | 346408 |
File Format | |
ISBN | 9781424438631 |
DOI | 10.1109/ICEMI.2009.5274090 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2009-08-16 |
Publisher Place | China |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Coils capsule endoscope Power transmission Humans Wireless energy transmission Gastrointestinal tract Couplings Power measurement Endoscopes Transmitters 3-D wireless power receiver inductive coupling Helmholtz coil Magnetic fields Power generation |
Content Type | Text |
Resource Type | Article |
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