A Control Theoretic Evaluation of Schedule Nervousness Suppression Techniques for Master Production Scheduling

Martin W. Braun () and Jay D. Schwartz ()
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Martin W. Braun: Intel Corporation
Jay D. Schwartz: Intel Corporation

A chapter in Decision Policies for Production Networks, 2012, pp 143-171 from Springer

Abstract: Abstract In manufacturing operations, a Master Production Schedule (MPS) can be used to make mid-range planning decisions that not only influence the production decisions for a manufacturing facility, but serve as input into other decision systems to determine materials ordering, staffing, and other business requirements. With the advance of computing and data acquisition technologies, an MPS can be recomputed on a more frequent basis to make the production schedule more agile in meeting customer needs. However, uncertainty in the demand forecast or production model may also increase the possibility and/or severity of “schedule nervousness”. The mitigation techniques of frozen horizon, move suppression, and schedule change suppression are evaluated to determine the robust stability margins of each approach at their performance-optimal tunings. Since an MPS is typically computed using Linear Programming these techniques are formulated in this manner, and therefore an empirical Nyquist stability analysis using Empirical Transfer Function Estimates (ETFE) is employed. The technique of move suppression is shown to provide better robust stability margins in the small-scale problem. Further evaluation is needed on scheduling problems of industrial size.

Keywords: Inventory Level; Throughput Time; Schedule Change; Move Suppression; Nyquist Curve (search for similar items in EconPapers)
Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-0-85729-644-3_7

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DOI: 10.1007/978-0-85729-644-3_7

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