Micro swimming mechanisms propelled by external magnetic fields

T. Honda; K. I. Arai; K. Ishiyama

doi:10.1109/20.539498

Micro swimming mechanisms propelled by external magnetic fields

T. Honda, K. I. Arai, K. Ishiyama

Human Information Systems Division

Research output: Contribution to journal › Article › peer-review

182 Citations (Scopus)

Abstract

A new type of micro swimming mechanism is proposed for microrobots working in water. It is composed of a small magnet attached to a spiral wire. An external alternating magnetic field causes the magnet to rotate due to magnetic torque. As a result, the mechanism can swim propelled by waves traveling along the spiral. The swimming velocity increases linearly with increasing excitation frequency, and the increasing rate depends on the shape of the spiral. The experimental velocity agreed with the calculation result based upon Lighthill's theory.

Original language	English
Pages (from-to)	5085-5087
Number of pages	3
Journal	IEEE Transactions on Magnetics
Volume	32
Issue number	5 PART 2
DOIs	https://doi.org/10.1109/20.539498
Publication status	Published - 1996

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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10.1109/20.539498

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abstract = "A new type of micro swimming mechanism is proposed for microrobots working in water. It is composed of a small magnet attached to a spiral wire. An external alternating magnetic field causes the magnet to rotate due to magnetic torque. As a result, the mechanism can swim propelled by waves traveling along the spiral. The swimming velocity increases linearly with increasing excitation frequency, and the increasing rate depends on the shape of the spiral. The experimental velocity agreed with the calculation result based upon Lighthill's theory.",

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Micro swimming mechanisms propelled by external magnetic fields

Abstract

ASJC Scopus subject areas

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