Determination of early warning time window for bottleneck resource buffer

Junguang Zhang () and Dan Wan ()
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Junguang Zhang: University of Science and Technology Beijing
Dan Wan: University of Science and Technology Beijing

Annals of Operations Research, 2021, vol. 300, issue 1, No 11, 289-305

Abstract: Abstract As an advanced warning system, resource buffer can notify the use of resources and provide added protection to critical chain activities. However, most of the existing studies in the literature focus on locating actual time buffers at various locations. In this study, we locate bottleneck resource buffers along the critical chain and determines optimal time windows for the first time. Drawing on the theory of constraints, we take into account factors such as bottleneck resource sensitivity, the idle cost, the start time flexibility and the work flow on the critical chain, and develop a quantitative model for the optimal time window determination of resource buffer. The proposed method is tested and compared with the currently widely adopted buffer management method. Results of the computational experiment of the proposed method demonstrates its relative dominance over the predominant buffer management approach in terms of overall completion time, project cost, the probability of delay and the average buffer consumption ratio.

Keywords: Critical chain; Theory of constraints; Bottleneck resource; Resource buffer; Time window (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1007/s10479-021-03960-1

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