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An algorithm for deadlock avoidance in an AGV System

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Abstract

In this paper, a simple and easily adaptable deadlock avoidance algorithm for an automated guided vehicle (AGV) system is presented. This algorithm uses the graph-theoretic approach. Unlike Petri-net-based methods, which are complex and static, it is easy to modify the existing model as the configuration of the system changes. Therefore, it is suitable for the AGV system in a flexible manufacturing system (FMS) and a retail or postal distribution center. Moreover, because it is very simple, it is appropriate for real-time control mechanisms.

This paper consists of two parts: the first part presents an AGV deadlock avoidance algorithm that uses the graph-theoretic approach, and the second suggests appropriate routing strategies based on the proposed algorithm. The results show that this deadlock avoidance algorithm can be modified easily whenever the configuration of an FMS changes and provide high-performance on the deadlock avoidance. Finally, experimental results that confirm the validity of this approach are provided.

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Authors and Affiliations

  1. e-Logistics Research Team, Electronics and Telecommunications Research Institute, 161 Gajeong-dong, Yuseong-gu, Daejeon, 305-350, Korea

    Jung-woon Yoo

  2. Seoul National University, San 56-1, Shillim-dong, Kwanak-gu, Seoul, 151-742, Korea

    Eok-Su Sim & Jin-Woo Park

  3. School of Management, University of Science and Technology Beijing, Beijing, 100083, P.R. China

    Chengxuan Cao

Authors
  1. Jung-woon Yoo
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  2. Eok-Su Sim
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  3. Chengxuan Cao
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  4. Jin-Woo Park
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Corresponding author

Correspondence to Jin-Woo Park.

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Yoo, Jw., Sim, ES., Cao, C. et al. An algorithm for deadlock avoidance in an AGV System. Int J Adv Manuf Technol 26, 659–668 (2005). https://doi.org/10.1007/s00170-003-2020-4

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  • DOI: https://doi.org/10.1007/s00170-003-2020-4

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