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JRM Vol.22 No.4 pp. 475-484
doi: 10.20965/jrm.2010.p0475
(2010)

Paper:

Flow Path Network Design for Robust AGV Systems Against Tasks Using Competitive Coevolution

Ryosuke Chiba*, Tamio Arai**, and Jun Ota**

*Tokyo Metropolitan University, 6-6 Asahigaoka, Hino-shi, Tokyo 191-0065, Japan

**The University of Tokyo

Received:
January 4, 2010
Accepted:
May 13, 2010
Published:
August 20, 2010
Keywords:
AGV system, competitive coevolution
Abstract

An effective and robust flow path network is desired in Automated Guided Vehicle (AGV) systems. A design process to obtain the desired flow path network in AGV systems is proposed in this paper. Our proposed method can make flow path networks robust against tasks, which include pick-up point, drop-off point and throughput and number of AGVs . It is important for this robust flow path network that the kinds of tasks be of various and non-linear to the system effectiveness. The problem is solved by the design method of various kinds of tasks that are difficult for AGV systems using Genetic Algorithm (GA). An effective flow path network is designed with GA simultaneously because the difficult tasks and number of AGVs depend on the flow path networks. Competitive coevolution is applied to the simultaneous design. AGV systems can be effective with uni/bi-directional combined flow path networks which utilize just simple routings. Results of the design are shown through simulations, and the designed flow path network makes it possible to complete various tasks with various numbers of AGVs.

Cite this article as:
Ryosuke Chiba, Tamio Arai, and Jun Ota, “Flow Path Network Design for Robust AGV Systems Against Tasks Using Competitive Coevolution,” J. Robot. Mechatron., Vol.22, No.4, pp. 475-484, 2010.
Data files:
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Last updated on Oct. 22, 2021