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Three-phase receiving coil of wireless power transmission system for gastrointestinal robot

Hunan Province Higher Education Key Laboratory, of Power System Safety Operation and Control, Changsha University of Science and Technology, Changsha, Hunan 410004, China

E-mail Address: jiayege@hotmail.com

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T. Jiang

Hunan Province Higher Education Key Laboratory, of Power System Safety Operation and Control, Changsha University of Science and Technology, Changsha, Hunan 410004, China

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, and

Y. Liu

Hunan Province Higher Education Key Laboratory, of Power System Safety Operation and Control, Changsha University of Science and Technology, Changsha, Hunan 410004, China

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https://doi.org/10.1142/S0217984917502773Cited by:4 (Source: Crossref)

Abstract

Power shortage is the bottleneck for the wide application of gastrointestinal (GI) robot. Owing to the limited volume and free change of orientation of the receiving set in GI trace, the optimal of receiving set is the key point to promote the transmission efficiency of wireless power transmission system. A new type of receiving set, similar to the winding of three-phase asynchronous motor, is presented and compared with the original three-dimensional orthogonal coil. Considering the given volume and the space utilization ratio, the three-phase and the three-orthogonal ones are the parameters which are optimized and compared. Both the transmission efficiency and stability are analyzed and verified by in vitro experiments. Animal experiments show that the new one could provide at least 420 mW power in volume of $Φ 11 \times 13 mm$ with a uniformity of 78.3% for the GI robot.

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