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基于遗传算法的车间设备布局问题研究

Research on the Facility Layout of Workshop Based on Genetic Algorithms

【作者】 曹战

【导师】 阎长罡;

【作者基本信息】 大连交通大学 , 机械制造及其自动化, 2007, 硕士

【摘要】 在全球制造业竞争日益激烈的今天,越来越多的工程设计人员意识到车间设备布局对整个制造系统的重要性。车间布局的优劣对于一个新建立的或改造的车间物流是否畅通、设备操作及维修是否方便和场地面积的使用率等都起着重要作用,是影响企业总体效益的重要因素之一。传统的车间设备布局主要依靠设计者的经验以及定性设计为主,缺乏科学定量的问题描述和相应的解决办法,不仅成本高,而且周期长。本论文以某机械加工车间为主要研究对象,对车间设备布局优化模型设计及其算法进行相关研究,主要做了以下工作:(1)对国内外关于车间设备布局问题的相关研究进行了详细的分析和综述,阐述了车间设备布局的基本理论。(2)对某制造企业机械加工车间设备布局及生产物流情况进行了详细的分析,并将其调整为油压阀流水生产单元和离散制造单元。(3)根据实际情况将车间设备布局抽象为单行布局和多行布局两种类型,并建立优化的车间设备线性布局数学模型。(4)运用遗传算法求解车间设备布局模型,在单行布局的基础上,运用自动换行技术对多行设备布局进行二维优化。(5)利用上述车间设备布局模型,结合某制造企业车间布局状况,用Java语言开发了车间设备布局管理系统。车间设备布局实例表明,运用此模型遗传求解与人机交互布局的新方法大大优于传统的经验布局模式,从而验证了本文的研究成果具有一定的理论和现实意义,为其它相关中小车间的设备布局和优化起到了一定的借鉴作用。

【Abstract】 Under the increasing global competition in the fields of manufacture, more and more engineering designer are aware of the importance of the facility layout of workshop in the manufacturing system. The layout design is one of significant factors in many aspects, for instance, it affect the smooth of workshop material flow, the manipulation and servicing of the facilities, the using ratio of workshop area, and it is one of the important factors which affect the production performance of the enterprise. Traditionally, facility layout depends mainly on the experience of the designer and it’s qualitative on very big degree, lacking scientific and quantitative description and the measures to it, the cost is high and the cycle is long. This thesis is taking a machining workshop as the object, researching on the optimal model and arithmetic of facility layout, some researches have been made as follows:(1) Make detailed analysis and survey of the facility layout problem, expatiate the basal theory of facility layout.(2) Make detailed analysis on facility layout and production logistics of one machine center workshop, adjust it into hydraulic valve cell and discrete manufacture cell.(3) Divides the facility layout problem into two types, single line layout and lows layout, the optimized models are constructed respectively.(4) Resolve the facility layout model by genetic algorithms, based on single line layout, realize the rows layout of facility with the instruction of automatic newline technology and optimize layout in different dimensions.(5) According to the circs of one workshop, a workshop facility layout management system is developed based on the above workshop facility layout model using Java.The actual facility layout application indicates that the new hybrid solution is much better than traditional methods, it proves that the research has theoretic and practice significance, also the method provides the optimization and layout of the related manufacture workshop with a highly effective and efficient way.

  • 【分类号】TH181
  • 【被引频次】23
  • 【下载频次】807
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