Abstract

Decision-making for a two-level operational system composed of two interconnected sub-problems, i.e. scheduling of independent, non-preemptive tasks on unrelated moving executors as well as motion control of a group of moving executors performing the tasks is considered. The makespan is assumed as the performance index of the two-level system. Then, the system is substituted by an uncertain one-level system with a corresponding uncertain problem of task scheduling on moving executors where execution times of the tasks belong to known intervals. To solve the problem the robust approach is used which is based on the absolute regret. The solution algorithm presented employs the simulated annealing method.

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