JRM Vol.20 No.2 pp. 302-310
doi: 10.20965/jrm.2008.p0302

Development Report:

A Study on the Mechanism and Locomotion Strategy for New Snake-Like Robot Active Cord Mechanism – Slime model 1 ACM-S1

Saori Sugita*, Kazunori Ogami**, Guarnieri Michele*,
Shigeo Hirose*, and Kensuke Takita***

*Department of Mechanical & Aerospace Engineering, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8552, Japan

**Canon Inc. Robot Development Propulsion Project, 70-1 Yanagi-cho, Saiwai-ku, Kawasaki-shi, Kanagawa 212-8602, Japan

***HiBot Corporation, 201 University Corporate Relations Bldg., 2-10-1 Kamata, Ota-ku, Tokyo 144-0052, Japan

September 28, 2007
December 20, 2007
April 20, 2008
active cord mechanism, snake-like robot, elastic rods, inchworm motion, angleworm motion

This paper presents ACM-S1 (Active Cord Mechanism – Slime model 1), a snake-like robot. Conventional snake-like robots have difficulty negotiation uneven ground. In this paper, we propose “a bending and expanding joint unit” which has three degrees of freedom (3DOF) in inchworm/angleworm-like motion and has been developed to solve this problem. The ACM-S1 we developed is composed of a series of these joint units. Experiments conducted to evaluate ACM-S1’s performance demonstrate the effectiveness of inchworm motion over uneven ground and of angleworm motion over flat, smooth ground.

Cite this article as:
Saori Sugita, Kazunori Ogami, Guarnieri Michele,
Shigeo Hirose, and Kensuke Takita, “A Study on the Mechanism and Locomotion Strategy for New Snake-Like Robot Active Cord Mechanism – Slime model 1 ACM-S1,” J. Robot. Mechatron., Vol.20, No.2, pp. 302-310, 2008.
Data files:
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Last updated on Mar. 05, 2021