Frictional driving mechanism based on wave propagation (1st report, measurement and simulation of earthworm locomotion)

Takashi Maeno; Nobutoshi Yamazaki; Tadanori Tachikawa

doi:10.1299/kikaic.62.4264

Frictional driving mechanism based on wave propagation (1st report, measurement and simulation of earthworm locomotion)

Takashi Maeno, Nobutoshi Yamazaki, Tadanori Tachikawa

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

3 Citations (Scopus)

Abstract

An earthworm moves on the ground by propagating an expansion/contraction wave of its own body. Friction force due to the propagating wave is produced at the contact surface. In this study we measure in detail the locomotion pattern of the earthworm when it moves straight on two plane plates having a different friction coefficient. The amplitude, period, duration, and phase of the propagating wave on the earthworm are measured. Then we calculate numerically the locomotion pattern of the earthworm using a simple model consisting of the body which can expand and contract and normal and tangential contact springs at the surface of the body. It is found that the waveform of the actual earthworm is adequate for producing locomotion with high efficiency and velocity.

Original language	English
Pages (from-to)	4264-4271
Number of pages	8
Journal	Nippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume	62
Issue number	603
DOIs	https://doi.org/10.1299/kikaic.62.4264
Publication status	Published - 1996 Jan 1
Externally published	Yes

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Industrial and Manufacturing Engineering

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10.1299/kikaic.62.4264

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Frictional driving mechanism based on wave propagation (1st report, measurement and simulation of earthworm locomotion). / Maeno, Takashi; Yamazaki, Nobutoshi; Tachikawa, Tadanori.
In: Nippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C, Vol. 62, No. 603, 01.01.1996, p. 4264-4271.

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

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Frictional driving mechanism based on wave propagation (1st report, measurement and simulation of earthworm locomotion)

Abstract

ASJC Scopus subject areas

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