Rescheduling Methods for Job Shop Scheduling
Investigating a Hybrid Metaheuristic For Job Shop Rescheduling
... 5 8.5 6.3 4.7 8.3 6.6 5.3 8.2 7.1 5.8 We also ran experiments to see if our Phase II could improve the results. Two different sets of experiments have been carried out, where we use the final populations generated using ...
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New Grid Scheduling and Rescheduling Methods in the GrADS Project
... heuristic scheduling was compared with that obtained from random ...Random scheduling picks a node randomly for the next available ...heuristic scheduling result in good load balance of the ...
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LITERATURE REVIEW JOB-SHOP SCHEDULING
... the scheduling problem in practice as they provide good solutions to complex problems in ...a job with a longest processing time would always be processed last no matter how urgently ...the shop ...
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Economically-Augmented Job Shop Scheduling
... typical job shop scheduling ...augmented job shop problems and their transformation into a specific subclass of combinatorial auction ...of scheduling for manufac- turing and ...
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Flexible job shop scheduling operation
... 19 Gantt chart: Devised by Henry Gantt in 1910s, Gantt chart is the representation type of bar chart used to represent a feasible schedule of a scheduling problem. A Gantt chart is a visual representation of a ...
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EVOLUTIONARY ALGORITHMS FOR JOB-SHOP SCHEDULING
... flexible job shop scheduling problem, espe- cially minimizing the ...The Job-shop Scheduling Problem (JSP) is one of the most difficult problems, as it is classified as an ...
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Integration of Job Release Policies and Job Scheduling Policies in Assembly Job Shop Scheduling
... on scheduling an assembly job shop which processes end-items with bills of ...the shop floor while dispatching represents the second stage of control which determines the processing sequence ...
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Job Shop Scheduling with Fixed Delivery Dates
... A job is chosen for processing according to ...a job shop. The number of operations for an entering job is randomly sampled in the ranges 2-8, and the corresponding machine visitations are ...
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Job shop scheduling with unit processing times
... the job shop scheduling problem, in which every operation can be preempted during its execution and resumed later without any ...preemptive job shop problem where preemptions occur at ...
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Genetic Algorithms for Job-Shop Scheduling Problems
... Table 2 summarizes the makespan performance of the methods described in this paper. This table is partially cited from [6]. The Conventional GA has only limited success and is outdated. It would be improved by ...
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Job Shop Scheduling with Flexible Maintenance Planning
... trivial compared to the NNL facility under consideration in this thesis. Ben Ali et al. (2011) consider a much more complex problem. They study the simultaneous scheduling of production and maintenance tasks in a ...
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Four-dimensional Algorithm for Job-shop Scheduling
... Abstract The four-dimensional scheduling algorithm is to select a sequence for job shop scheduling with the minimum evaluation indexes. Every operation has an evaluation index, which consists ...
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Modified Pipelining Hybridization of Job Shop Scheduling
... An interesting example is a neighborhood designed for the job shop problem with the makespan as objective. A critical path in a job shop schedule is used to describe the neighborhood. At t=0 ...
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Job-shop scheduling with limited capacity buffers
... This means, for two instances of a job-shop problem with output buffers which only differentiate in the processing times of the jobs, the optimal assignment of operations to buffer slots[r] ...
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Better approximation guarantees for job shop scheduling
... We have presented an improved approximation algorithm for general job-shop scheduling (The, orem 1(a)), and have shown further improvements for certain NP-hard special ca[r] ...
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A Hybrid Approach for Job Shop Scheduling Problems
... Abstract - Job shop scheduling problems are NP-hard problems. This paper presents a hybrid algorithm for solving Job-shop Scheduling Problem. Ant Colony Optimization is a ...
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Obtain makespan of job shop scheduling operation
... Job Shop Production: In the classical job shop problem, a finite number of jobs are to be processed by a finite number of ...Each job consists of a predetermined sequence of operations, ...
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The job shop scheduling problem with convex costs
... Based on the results so far on JIT-JS-LIN, a couple of concluding remarks about the performance of our approach is in order. First off, there is room for an alternate initial solution generation method for instances with ...
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Overlap Algorithms in Flexible Job-shop Scheduling
... Beside the algorithmic issues, the success of the algorithm lies on several factors, like the correct tuning of the GA parameters. Several works have inserted in the code the way to tune them dynamically like the fuzzy ...
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Job shop scheduling with unit processing times
... preemptive job shop scheduling problem: (i) For m = 2: It is easy to see that any reasonable schedule has an approximation ratio of ...maximum job length ℓ, but still ...for shop ...
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