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The effect of setup time reduction on its variance

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  • Samaddar, Subhashish

Abstract

Earlier research has found that the variability in setup time can play a central role in which it produces paradoxes and can harm effective waiting time, WIP, and capacity as one reduces setup time. Specifically, if setup time is reduced without a reduction in its variance, the waiting time in the system can increase and so can WIP. Of course, the matter worsens if setup variance increases as one reduces its duration. Given such findings, it becomes critical to find out what happens to setup time variance when we cut setup time. It is unlikely that setup variability can increase as one reduces setup duration.

Suggested Citation

  • Samaddar, Subhashish, 2001. "The effect of setup time reduction on its variance," Omega, Elsevier, vol. 29(3), pages 243-247, June.
    • Handle: RePEc:eee:jomega:v:29:y:2001:i:3:p:243-247
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    References listed on IDEAS

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    1. Kenneth R. MacCrimmon & Charles A. Ryavec, 1964. "An Analytical Study of the PERT Assumptions," Operations Research, INFORMS, vol. 12(1), pages 16-37, February.
    2. Subhashish Samaddar, 1996. "The Limits of Japanese Production Systems," Interfaces, INFORMS, vol. 26(4), pages 66-68, August.
    3. Debashish Sarkar & Willard I. Zangwill, 1991. "Variance Effects in Cyclic Production Systems," Management Science, INFORMS, vol. 37(4), pages 444-453, April.
    4. Anne M. Spence & Evan L. Porteus, 1987. "Setup Reduction and Increased Effective Capacity," Management Science, INFORMS, vol. 33(10), pages 1291-1301, October.
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    Cited by:

    1. Samaddar, Subhashish & Hill, Craig A., 2007. "Controlling adverse effect on work in process inventory while reducing machine setup time," European Journal of Operational Research, Elsevier, vol. 180(1), pages 249-261, July.

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