Forecasting Spare Parts Demand Using Statistical Analysis

Autor: Shadi Masoud, Mazen Arafeh, Raghad Hemeimat, Lina Al-Qatawneh
Rok vydání: 2016
Předmět:
Zdroj: American Journal of Operations Research. :113-120
ISSN: 2160-8849
2160-8830
DOI: 10.4236/ajor.2016.62014
Popis: Spare parts are very essential in most industrial companies. They are characterized by their large number and their high impact on the companies’ operations whenever needed. Therefore companies tend to analyze their spare parts demand and try to estimate their future consumption. Nevertheless, they face difficulties in figuring out an optimal forecasting method that deals with the lumpy and intermittent demand of spare parts. In this paper, we performed a comparison between five forecasting methods based on three statistical tools; Mean squared error (MSE), mean absolute deviation (MAD) and mean error (ME), where the results showed close performance for all the methods associated with their optimal parameters and the frequency of the spare part demand. Therefore, we proposed to compare all the methods based on the tracking signal with the objective of minimizing the average number of out of controls. This approach was tested in a comparative study at a local paper mill company. Our findings showed that the application of the tracking signal approach helps companies to better select the optimal forecasting method and reduce forecast errors.
Databáze: OpenAIRE