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The optimization of wireless power transmission: design and realization
Author(s) -
Jia Zhiwei,
Yan Guozheng,
Liu Hua,
Wang Zhiwu,
Jiang Pingping,
Shi Yu
Publication year - 2012
Publication title -
the international journal of medical robotics and computer assisted surgery
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.556
H-Index - 53
eISSN - 1478-596X
pISSN - 1478-5951
DOI - 10.1002/rcs.1428
Subject(s) - computer science , transmission (telecommunications) , power transmission , realization (probability) , wireless , power (physics) , stability (learning theory) , economic shortage , electronic engineering , mathematical optimization , electrical engineering , telecommunications , engineering , mathematics , statistics , physics , linguistics , philosophy , quantum mechanics , machine learning , government (linguistics)
Background A wireless power transmission system is regarded as a practical way of solving power‐shortage problems in multifunctional active capsule endoscopes. Methods The uniformity of magnetic flux density, frequency stability and orientation stability are used to evaluate power transmission stability, taking into consideration size and safety constraints. Magnetic field safety and temperature rise are also considered. Test benches are designed to measure the relevent parameters. Finally, a mathematical programming model in which these constraints are considered is proposed to improve transmission efficiency. To verify the feasibility of the proposed method, various systems for a wireless active capsule endoscope are designed and evaluated. Results The optimal power transmission system has the capability to supply continuously at least 500 mW of power with a transmission efficiency of 4.08%. Conclusions The example validates the feasibility of the proposed method. Introduction of novel designs enables further improvement of this method. Copyright © 2012 John Wiley & Sons, Ltd.