Motion generation of peristaltic mobile robot with particle swarm optimization algorithm

Takahiro Homma; Norihiro Kamamichi

doi:10.1117/12.2084112

26 March 2015 Motion generation of peristaltic mobile robot with particle swarm optimization algorithm

Takahiro Homma, Norihiro Kamamichi

Proceedings Volume 9429, Bioinspiration, Biomimetics, and Bioreplication 2015; 94291D (2015) https://doi.org/10.1117/12.2084112
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2015, San Diego, California, United States

Abstract

In developments of robots, bio-mimetics is attracting attention, which is a technology for the design of the structure and function inspired from biological system. There are a lot of examples of bio-mimetics in robotics such as legged robots, flapping robots, insect-type robots, fish-type robots. In this study, we focus on the motion of earthworm and aim to develop a peristaltic mobile robot. The earthworm is a slender animal moving in soil. It has a segmented body, and each segment can be shorted and lengthened by muscular actions. It can move forward by traveling expanding motions of each segment backward. By mimicking the structure and motion of the earthworm, we can construct a robot with high locomotive performance against an irregular ground or a narrow space. In this paper, to investigate the motion analytically, a dynamical model is introduced, which consist of a series-connected multi-mass model. Simple periodic patterns which mimic the motions of earthworms are applied in an open-loop fashion, and the moving patterns are verified through numerical simulations. Furthermore, to generate efficient motion of the robot, a particle swarm optimization algorithm, one of the meta-heuristic optimization, is applied. The optimized results are investigated by comparing to simple periodic patterns.

Citation Download Citation

Takahiro Homma and Norihiro Kamamichi "Motion generation of peristaltic mobile robot with particle swarm optimization algorithm", Proc. SPIE 9429, Bioinspiration, Biomimetics, and Bioreplication 2015, 94291D (26 March 2015); https://doi.org/10.1117/12.2084112

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