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首页> 外文期刊>American journal of engineering and applied sciences >An Approach to Develop a Dynamic Job Shop Scheduling by Fuzzy Rule Based System and Comparative Study with the Traditional Priority Rules
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An Approach to Develop a Dynamic Job Shop Scheduling by Fuzzy Rule Based System and Comparative Study with the Traditional Priority Rules

机译：基于模糊规则的系统开发动态作业车间调度的方法及与传统优先级规则的比较研究

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This paper aims at developing a dynamic job shop scheduling by establishing fuzzy rule based system and comparing its effectiveness with the traditional priority rules. In order to understand the priorities of different jobs in a job shop, the paper investigates all the contributing criteria of different parameters. Since the traditional priority rules only emphasis on a single parameter at a time, the authors propose a method of obtaining a schedule which incorporates all the desired contribution criteria of the parameters used. This method includes establishing a Fuzzy priority rule. Fuzzy is an appropriate model when uncertainty and irregularities are present. It also allows modeling of a significant number of alternatives across different parameters considered in a job shop. Hence, a dynamic job shop schedule can be developed using the established fuzzy priority rule. This research is based on an example of jobs arriving in a regular semi-automated job shop, not a fully automated or software based job shop. The practical implications of this paper is to identify the proper parameters and evaluate their contribution criteria on the required conditions so that managers can determine the proper scheduling and sequence of the jobs to be machined in the job shop. This study provides a deterministic method for local managers to assess the effects of job shop scheduling and sequence of jobs.
机译：本文旨在通过建立基于模糊规则的系统并将其有效性与传统优先级规则进行比较，来开发动态作业车间调度。为了了解车间中不同工作的优先级，本文研究了所有不同参数的贡献标准。由于传统的优先级规则一次只强调单个参数，因此作者提出了一种获取计划表的方法，该计划表包含了所用参数的所有所需贡献标准。该方法包括建立模糊优先级规则。当存在不确定性和不规则性时，模糊是合适的模型。它还允许对车间中考虑的不同参数的大量替代方案进行建模。因此，可以使用已建立的模糊优先级规则来制定动态的车间作业时间表。这项研究基于一个示例，该示例是在常规的半自动化工作车间而不是全自动或基于软件的工作车间中到达的工作。本文的实际含义是确定适当的参数并在所需条件下评估其贡献标准，以便管理人员可以确定要在作业车间中加工的作业的正确调度和顺序。这项研究为当地经理人提供了确定性的方法，以评估作业车间调度和作业顺序的影响。

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