Abstract
This paper reports a novel wireless powered bionic microrobot, which is supposed to be used as an endoscope. The detection system is detailedly described, including microrobot structure, wireless power transmission system, RF communication and imaging module. Earthworm-like multi-segment squirm mechanism is designed and manufactured driven by dc motors. Double closed-loop control strategy ensures optimal power transmission efficiency and enhances reliability. Bi-direction RF transceiver is introduced with low power consumption and data rate of 50 kbps. High resolution miniature imaging system with wireless transmitter provides real-time monitoring. The prototype is 12 mm in diameter and 150 mm in length. In vitro experiments show that the microrobot is well compliant to soft slippery tissues.
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