Optimising unrelated parallel machine scheduling in job shops with maximum allowable tardiness limit
by Parsa Kianpour; Deepak Gupta; Krishna Krishnan; Bhaskaran Gopalakrishnan
International Journal of Industrial and Systems Engineering (IJISE), Vol. 37, No. 3, 2021

Abstract: Motivated by the practical scheduling problem of job shops, this study evaluates unrelated parallel machine scheduling models. The researchers proposed a new mixed integer linear programming model considering effects of maximum limit on the allowable tardiness. An efficient solution technique was developed in MATLAB to minimise computational time. The model was validated using real-life data from local aircraft industry. It was shown that the proposed model leads to lower cost compared to the current models (i.e., without any limit on tardiness) in the literature. In addition, reduction in computational time enables corporate scheduling staff to use the model efficiently.

Online publication date: Fri, 05-Mar-2021

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