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The earliness/tardiness Job Shop scheduling problems (JSSPs) with fuzzy processing times and the objective of minimizing the makespan is discussed in this paper. The requirement for the due date of the product is flexible and is described by trapezoidal fuzzy number. On the basis of qualitative possibility theory, a measure of schedule robustness is defined to optimize the worst-case performance....
This paper discusses the job shop scheduling problem (JSSP) with uncertain processing times to minimize the makespan. The scenario planning approach is used to represent the uncertain processing times. A robustness measure is formulated to reflect the decision-maker's preference of risk aversion, and based on this robustness measure a robust scheduling model combining the expected makespan and the...
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