An effective heuristic for adaptive control of job sequences subject to variation in processing times

Wei Li and Theodor I. Freiheit

International Journal of Production Research, 2016, vol. 54, issue 12, 3491-3507

Abstract: Variation in sequential task processing times is common in manufacturing systems. This type of disturbance challenges most scheduling methods since they cannot fundamentally change job sequences to adaptively control production performance as jobs enter the system because actual processing times, are not known in advance. Some research literature indicates that simple rules are more suitable than algorithmic scheduling methods for adaptive control. In this work, a ‘state space -- average processing time’ (SS-APT) heuristic is proposed and compared to four most commonly used scheduling rules and two well-established heuristics based on Taillard’s benchmarks. It is shown that the adaptive control is made possible under variation in processing times given the flexibility and strong performance of the SS-APT heuristic, especially for work-in-process inventory control.

Date: 2016
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DOI: 10.1080/00207543.2015.1073403

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