A self-locomotive microrobot can be a key technology for medical applications, manufacturing, or micro total analysis systems (μTAS). Although previous studies have mostly used magnetic, electric, chemical, or optical forces to control microrobots, we utilized flow oscillations. The results showed that the locomotion of the microrobot was stepwise near a wall when the oscillations were applied both horizontally and vertically. The most efficient microrobot was capable of propelling itself about times its radius during one oscillation period. These results illustrate that the proposed stepping microrobot has great potential for future applications.
A Stepping Microrobot Controlled by Flow Oscillations
Contributed by the Fluids Engineering Division of ASME for publication in the JOURNAL OF FLUIDS ENGINEERING. Manuscript received June 18, 2014; final manuscript received January 18, 2015; published online March 27, 2015. Assoc. Editor: Kwang-Yong Kim.
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Ishikawa, T., and Vladimirov, V. A. (August 1, 2015). "A Stepping Microrobot Controlled by Flow Oscillations." ASME. J. Fluids Eng. August 2015; 137(8): 084501. https://doi.org/10.1115/1.4029840
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