نتایج جستجو برای: unrelated machines
تعداد نتایج: 99101 فیلتر نتایج به سال:
this study considers scheduling in hybrid flow shop environment with unrelated parallel machines for minimizing mean of job's tardiness and mean of job's completion times. this problem does not study in the literature, so far. flexible flow shop environment is applicable in various industries such as wire and spring manufacturing, electronic industries and production lines. after mode...
Two important characteristics encountered in many real-world scheduling problems are heterogeneous processors and a certain degree of uncertainty about the sizes of jobs. In this paper we address both, and study for the first time a scheduling problem that combines the classical unrelated machine scheduling model with stochastic processing times of jobs. Here, the processing time of job j on ma...
We study methods for the exact solution of unrelated parallel machine problem with makespan minimization, generally denoted as R||C max . Our original application arises from automotive assembly process where tasks needs to be distributed among several robots. This involves solutions instances, which proved hard a MILP solver since objective induces weak LP relaxation bounds. To improve these b...
In hybrid flow shop scheduling problem (HFS) with unrelated parallel machines, a set of n jobs are processed on k machines. A mixed integer linear programming (MILP) model for the HFS scheduling problems with unrelated parallel machines has been proposed to minimize the maximum completion time (makespan). Since the problem is shown to be NP-complete, it is necessary to use heuristic methods to ...
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