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Studying unbalanced workload and buffer allocation of production systems

Amos H. C. Ng, Sabry Shaaban & Jacob Bernedixen. Studying unbalanced workload and buffer allocation of production systems using multi-objective optimisation. International Journal of Production Research. August 2017.


Abstract

Numerous studies have investigated the effects of unbalanced service times and inter-station buffer sizes on the efficiency of discrete part, unpaced production lines. There are two main disadvantages of many of these studies: (1) only some predetermined degree of imbalance and patterns of imbalance have been evaluated against the perfectly balanced configuration, making it hard to form a general conclusion on these factors; (2) only a single objective has been set as the target, which neglects the fact that different patterns of imbalance may outperform with respect to different performance measures. Therefore, the aim of this study is to introduce a new approach to investigate the performance of unpaced production lines by using multiple-objective optimisation. Access publication.