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Forecasting both time varying MTBF of fighter aircraft module and expected demand of minor parts

Author

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  • K B Yoon

    (Yonsei University)

  • S Y Sohn

    (Yonsei University)

Abstract

A fundamental aspect of inventory management of fighter aircraft is to forecast the demand of minor parts installed in the main module. Most of the existing inventory models do not take into account the time-varying characteristics of modules composed of minor parts even though the demand rate of minor parts is sensitive to the conditions of module. In this paper, we propose random-effects regression models to forecast the mean time between failure (MTBF) of modules and the expected demand for the minor parts in the module based on time-varying characteristics of modules. Subsequently, we show how they can be applied to find necessary seasonal demand of minor parts. Our study is expected to contribute to ROKAF (Republic of Korea Air Force) in terms of providing base information for inventory policy for minor parts.

Suggested Citation

  • K B Yoon & S Y Sohn, 2007. "Forecasting both time varying MTBF of fighter aircraft module and expected demand of minor parts," Journal of the Operational Research Society, Palgrave Macmillan;The OR Society, vol. 58(6), pages 714-719, June.
    • Handle: RePEc:pal:jorsoc:v:58:y:2007:i:6:d:10.1057_palgrave.jors.2602198
    DOI: 10.1057/palgrave.jors.2602198
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    References listed on IDEAS

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    1. Fujiwara, Okitsugu & Sedarage, Dayani, 1997. "An optimal (Q,r) policy for a multipart assembly system under stochastic part procurement lead times," European Journal of Operational Research, Elsevier, vol. 100(3), pages 550-556, August.
    2. Vaughan, Timothy S., 2005. "Failure replacement and preventive maintenance spare parts ordering policy," European Journal of Operational Research, Elsevier, vol. 161(1), pages 183-190, February.
    3. Hill, Roger M., 1997. "Applying Bayesian methodology with a uniform prior to the single period inventory model," European Journal of Operational Research, Elsevier, vol. 98(3), pages 555-562, May.
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    Cited by:

    1. S Y Sohn & Y Kim & B T Kim, 2009. "Cost of ownership model for spare engines purchase for the Korean navy acquisition program," Journal of the Operational Research Society, Palgrave Macmillan;The OR Society, vol. 60(12), pages 1674-1682, December.
    2. S Y Sohn & K B Yoon, 2010. "Dynamic preventive maintenance scheduling of the modules of fighter aircraft based on random effects regression model," Journal of the Operational Research Society, Palgrave Macmillan;The OR Society, vol. 61(6), pages 974-979, June.

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