Document Type

Article

Publication Date

2016

DOI

10.1155/2016/6591632

Publication Title

Mathematical Problems in Engineering

Volume

2016

Issue

Article ID: 6591632

Pages

1-11

Abstract

The problem addressed in this paper is the two-machine job shop scheduling problem when the objective is to minimize the total earliness and tardiness from a common due date (CDD) for a set of jobs when their weights equal 1 (unweighted problem). This objective became very significant after the introduction of the Just in Time manufacturing approach. A procedure to determine whether the CDD is restricted or unrestricted is developed and a semirestricted CDD is defined. Algorithms are introduced to find the optimal solution when the CDD is unrestricted and semirestricted. When the CDD is restricted, which is a much harder problem, a heuristic algorithms proposed to find approximate solutions. Through computational experiments, the heuristic algorithms' performance is evaluated with problems up to 500 jobs.

Original Publication Citation

Al-Salem, M., Bedoya-Valencia, L., & Rabadi, G. (2016). Heuristic and exact algorithms for the two-machine Just in Time job shop scheduling problem. Mathematical Problems in Engineering, 11. doi: 10.1155/2016/6591632

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