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Design and Implementation of a New Type of Gastrointestinal Robot Wireless Power Transmission System
Received date: 2021-06-25
Online published: 2022-08-26
In order to ensure the stable operation of the miniature gastrointestinal robot inside the human body, a new type of wireless power transmission (WPT) system is presented. To fulfill the requirements of the work energy consumption, posture stability, energy supply stability, and size limitation of the intestinal robot, the design refers to the calculation of electromagnetic field theory and the optimization results of the spindle-shaped three-dimensional receiving coil model which based on the principle of electromagnetic field resonance. Accordingly, the transmitting coil adopts four sets of solenoid coils to generate a uniform alternating magnetic field. With the receiving coil integrated inside, the optimized transmitting coil can generate a stable energy greater than 500 mW for a robot to work through mutual inductance. Relevant experimental verification indicates that performance of the wireless energy supply system satisfies the working requirements of the robot in the complex environment inside the intestine.
FU Wenhao, JIANG Pingping, YAN Guozheng, PENG Yuqi, FEI Qian, ZHUANG haoyu . Design and Implementation of a New Type of Gastrointestinal Robot Wireless Power Transmission System[J]. Journal of Shanghai Jiaotong University, 2022 , 56(8) : 1057 -1066 . DOI: 10.16183/j.cnki.jsjtu.2021.228
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