研究目的
To design and demonstrate propulsion of a 2.6 mm sized microrobot using wireless power transfer system to produce the propulsion force and transfer electric power simultaneously.
研究成果
The fabricated 2.6 mm×2.6 mm sized microrobot successfully demonstrates the propulsion with 2.1 mm/s moving velocity, showcasing the potential of semiconductor process-based microrobots for medical and industrial applications.
研究不足
The size of the microrobot must be smaller than the size of the blood vessel to move freely inside of the human body, which poses a challenge for further miniaturization.
1：Experimental Design and Method Selection:
The microrobot was designed using a semiconductor process to miniaturize its size. The phase difference was adjusted by using the internal resistance of the coil and an attached surface mount device (SMD) type capacitor.
2：Sample Selection and Data Sources:
A
3：6 mm×6 mm sized spiral coil microrobot was fabricated and used in experiments. List of Experimental Equipment and Materials:
The experiment setup included a source coil with a radius of
4：5 mm and 51 turns, a matching capacitor, and a tuned SMD capacitor for the load coil. Experimental Procedures and Operational Workflow:
The microrobot was floated on water, and the distance between the source coil and load coil was set to 50 mm. The motion of the microrobot was recorded through a 60 frames per second video camera.
5：Data Analysis Methods:
The velocity of the microrobot was measured through a frame-by-frame analysis of the recorded video clip.
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