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Objective Dynamic Job Shop (MODJS)

An Efficient Approach for Bottleneck Resource(s) Detection Problem in the Multi-objective Dynamic Job Shop Environments

An Efficient Approach for Bottleneck Resource(s) Detection Problem in the Multi-objective Dynamic Job Shop Environments

... the Dynamic conditions‖ of job-shop is an important issue which has not been studied so far due to its computational ...Multi-objective Dynamic Job Shop (MODJS) has been ...

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Dynamic Priority Rule Selection for Solving Multi objective Job Shop Scheduling Problems

Dynamic Priority Rule Selection for Solving Multi objective Job Shop Scheduling Problems

... the job that processed before job i on machine ...of job i, while the second part shows the finish of the previous operation on machine ...a shop wherein the scheduling is done using a PR, ...

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Analysis and Development of Various Evolutionary Computations for Multi-Objective Optimization in Job Shop Problems

Analysis and Development of Various Evolutionary Computations for Multi-Objective Optimization in Job Shop Problems

... problems range from simple priority dispatching rules such as FIFO (first in first out) and SPT (shortest processing time) to more elaborate techniques such as Branch and Bound (Brucker et. al. 1994), tabu search ...

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Job shop scheduling with makespan objective: A heuristic approach   Pages 273-280
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Job shop scheduling with makespan objective: A heuristic approach Pages 273-280 Download PDF

... Zhang et al. (2008) presented a hybrid TS-SA algorithm in which simulated annealing (SA) was used to find the promising elite solutions inside big valley (BV) and TS intensified search around these solutions. This ...

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Dynamic weighted idle time heuristic for flowshop scheduling

Dynamic weighted idle time heuristic for flowshop scheduling

... Open Shop (FOS) is an extension of the classical open shop (COS) and parallel-machine models, in which n jobs must be executed once at each of the c≥2 stages (or machine centres) without ...A job has ...

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A Particle Swarm Optimization to Minimize Makespan for a Four Stage Multiprocessor Open Shop with Dynamic Job Release Time

A Particle Swarm Optimization to Minimize Makespan for a Four Stage Multiprocessor Open Shop with Dynamic Job Release Time

... open shop scheduling problem with job release time and the objective to improve production efficiency, that is, to minimize the maximum of the completion times of all jobs, ...unique objective ...

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GT 
		heuristic for solving multi objective job shop scheduling problems

GT heuristic for solving multi objective job shop scheduling problems

... Trees are more important data structures which come in many forms. Sometimes trees are static in the sense that their shape is determined before running of the algorithm, and they do not change shape while the algorithm ...

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Solving the Dynamic Job Shop Scheduling Problem using Bottleneck and Intelligent Agents based on Genetic Algorithm

Solving the Dynamic Job Shop Scheduling Problem using Bottleneck and Intelligent Agents based on Genetic Algorithm

... mentioned job in the shop. The job’s entrance times to the shop for the jobs less than 30, the uniform dispatching are used and for the jobs equal or greater than 30, the uniform dispatching are used ...

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													Investigating the effect of order release policies in scheduling a dynamic job shop production system: simulation modelling and analysis

1. Investigating the effect of order release policies in scheduling a dynamic job shop production system: simulation modelling and analysis

... The job shop scheduling problem may be characterized as one in which a number of jobs, each comprising one or more operations to be performed in a specified sequence on specified machines and requiring a ...

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An investigation into minimising total energy consumption and total weighted tardiness in job shops

An investigation into minimising total energy consumption and total weighted tardiness in job shops

... of job shop scenarios to validate its more general ...basic job shop by changing the processing sequence of jobs on each ...a dynamic job shop should be studied in the ...

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A New Multi-objective Job Shop Scheduling with Setup Times Using a Hybrid Genetic Algorithm

A New Multi-objective Job Shop Scheduling with Setup Times Using a Hybrid Genetic Algorithm

... for job shop scheduling problem with fuzzy processing times and fuzzy due ...The objective is to maximize the minimum agreement index, to maximize the average agreement index and to minimize the ...

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DISPATCHING RULES FOR JOB SHOP PROBLEMS

DISPATCHING RULES FOR JOB SHOP PROBLEMS

... The job which has the longest operation time enters service ...(less shop congestion) and downstream idle time (higher resource utilization), and usually lower average job tardiness and disadvantages ...

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Hybrid genetic algorithms: solutions in realistic dynamic and setup dependent job-shop scheduling problems

Hybrid genetic algorithms: solutions in realistic dynamic and setup dependent job-shop scheduling problems

... produce parts). Also, the flexibility of alternate routes increases the combinations of resources to compose sequences and therefore, the problem complexity. The literature presents researches involving the SDST-JSSP - ...

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Lead time predictions for a job shop

Lead time predictions for a job shop

... Based on the f'indings of' this research, the author recommends that the next stage of' the research be the implementation of' the adaptive queueing time method with adaptive response ra[r] ...

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Dynamic scheduling in a multi-product manufacturing system

Dynamic scheduling in a multi-product manufacturing system

... distribution, job routing, and processing times determine machine ...of job shop simulation, machine utilization is important because it affect queue ...

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A hybrid algorithm for flexible job-shop scheduling problem with setup times

A hybrid algorithm for flexible job-shop scheduling problem with setup times

... in Hurink et al. (1994). Each instance was created by adding to the original instance one setup time matrix St,k for each machine k. The same setup time matrix was added for each machine in all benchmark instances. Each ...

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A Markov chain analysis of the effectiveness of drum-buffer-rope material flow management in job shop environment   Pages 457-468
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A Markov chain analysis of the effectiveness of drum-buffer-rope material flow management in job shop environment Pages 457-468 Download PDF

... flow shop environment and scheduling job shop environment by DBR method is ignored, while many real production lines are job ...the job shop environment and used a Markov chain ...

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Allocating Manpower to Minimize Lmax in a Job Shop.

Allocating Manpower to Minimize Lmax in a Job Shop.

... The intersection of workers and job shop scheduling research occurs in two main ways, which differ depending on whether the workers are treated as a constraint. In the first way, personnel scheduling and ...

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An alternative hybrid evolutionary technique focused on allocating machines and sequencing operations   Pages 585-596
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An alternative hybrid evolutionary technique focused on allocating machines and sequencing operations Pages 585-596 Download PDF

... The FJSSP is particularly hard to solve. It has been analyzed for 1, 2 and 3 machines and some arbitrary number of jobs. Very few developments have been devoted to the case of 4 or more machines for at least 3 jobs, due ...

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A Comparison between Two Modified NSGA II Algorithms for Solving the Multi objective Flexible Job Shop Scheduling Problem

A Comparison between Two Modified NSGA II Algorithms for Solving the Multi objective Flexible Job Shop Scheduling Problem

... Two- objective and three-objective problems fall into a different class as the resulting Pareto-optimal ...open shop scheduling problem with resource constraints to minimize the total flow time and ...

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