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An integrated automated guided vehicle design problem and preventive maintenance planning

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Abstract

Nowadays, automated guided vehicles (AGVs) play a key role in manufacturing systems because of improving system efficiency and lowering the cost of production. To increase the efficiency and stability of AGVs, it is crucial to consider maintenance planning for them. To the best of our knowledge, there are rarely found studies related to maintenance planning and AGVs’ design and control. Accordingly, in this paper, a new integrated nonlinear mathematical model is developed for optimizing the AGV design (including AGV fleet sizing and AGV assignment to workshops) and preventive maintenance policy. The proposed model aims to determine the preventive maintenance cycles, the optimal number of employed AGVs in manufacturing, and the optimal assignment of AGVs to manufacturing workshops so that the total cost is minimized. To solve this model, a genetic algorithm (GA) is developed, and its performance is compared with the global solver of LINGO software on 15 test problems, some of which are large dimensions. To tune the GA parameters, a Taguchi method is used. Moreover, a sensitivity analysis is performed to represent the validity of the model and solution approach. The results have demonstrated the effectiveness of GA in terms of computational time and solution quality.

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All authors contributed to the study’s conception and design. Material preparation, data collection, and analysis were performed by Saeed Dehnavi-Arani and Aliakbar Hasani.

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Correspondence to Aliakbar Hasani.

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Dehnavi-Arani, S., Hasani, A. An integrated automated guided vehicle design problem and preventive maintenance planning. Soft Comput 27, 15873–15892 (2023). https://doi.org/10.1007/s00500-023-08838-x

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  • DOI: https://doi.org/10.1007/s00500-023-08838-x

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