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ARTICLES

Vol. 17 No. 3 (2022): DEZEMBRO 2022

Forecasting spare parts demand using an artificial neural network

DOI
https://doi.org/10.20985/1980-5160.2022.v17n3.1806
Submitted
August 1, 2022
Published
2022-12-30

Abstract

Concerning asset maintenance, it is known that forecasting demand for replacement parts is an important condition for inventory management, aiming to reduce costs and avoid product obsolescence. Predictive methods with higher accuracy are fundamental in this context, facing the lack of parts and overstocking. Thus, the present work aims to evaluate the performance of an artificial neural network in predicting the demand for spare parts in the tractor maintenance sector. To this end, the analysis of the average absolute percentage errors of the prediction was used as an evaluation and monitoring method. In order to reach the proposed objective, the study first addressed the main theoretical aspects related to inventory management and demand forecasting methods. Subsequently, the Elman networks were selected, and, regarding the selection of parts for analysis, inventory management tools were used to explore important items for the sector. The proposed methodology showed that the neural networks have a good application for the context in question because, in addition to presenting configurations with acceptable errors, the network often hits the peaks of higher and lower demands, an important analysis for inventory management.

Keywords: Maintenance; Stock Management; Demand Forecasting; Neural Networks.

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