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物联网环境下的“生产—物流”齐套联动控制方法

发布时间:2019-01-29 19:11
【摘要】:本论文研究对象为包含多个生产车间、多个包装车间和一个仓库的齐套制造企业,为适应日益变化的消费者需求和追求新的竞争优势,该企业通过设计不同的套件组合来满足客户定制化需求,复杂的产品订单结构使得多维度网状结构的生产物流系统变得更加复杂,其不仅给生产物流的精确规划带来一定困难,同时由于信息化水平低和客户需求的动态性的存在,进一步增加了对生产物流系统实时监控和重规划的难度。基于《中国制造2025》提出加快信息技术与制造技术的融合来推进智能化制造过程、智能化物流管理等技术在生产过程中的应用,本文研究了在物联网环境下,齐套制造企业生产物流运作的齐套联动优化问题,旨在通过实现生产物流各部门信息共享、横向和纵向各部门之间协同优化来有效应对客户需求不确定性对于生产物流运作的影响。主要的研究工作包含以下5个方面:(1)基于生产物流不同环节对于齐套的需求,对齐套概念在生产物流领域中的应用和研究现状进行了全面分析和分类总结;(2)将标准的AUTOM信息架构扩展为适应于齐套制造的物联网信息架构,并给出物联网设备在生产物流各环节的部署方案;(3)通过分析齐套制造企业在生产物流执行过程中可能发生的动态性,提出了应对不同动态性强度的三层三级两阶段齐套联动控制机制,对系统层的精确决策提供了指导性意见;(4)基于目标级联分析法解决大系统优化问题的优越性,通过对齐套制造企业的生产物流系统进行建模,将目标分解为层级式体系结构的方式来提高生产物流联动优化的效率和精确度;(5)从合作企业实际需求出发,开发出一套“生产-物流”齐套联动信息系统,来应对合作企业生产物流执行过程中临时插单这一类动态问题;最后,通过MATLAB软件对齐套联动优化问题进行建模仿真,对比分析仿真结果可以发现:虽然齐套联动会引起生产成本的增加,但大大降低了由非齐套产生的下线点缓存成本、成品仓储成本和延期交货成本;动态性发生的越早齐套联动成本越低,且动态发生的越晚齐套联动的与非齐套联动成本趋于一致;交货期越早齐套联动成本越高,此时齐套与非齐套联动产生的成本趋于一致。
[Abstract]:The research object of this paper is the whole set manufacturing enterprise which includes many production workshops, many packaging workshops and one warehouse, in order to adapt to the changing consumer demand and pursue the new competitive advantage. The complex product order structure makes the production logistics system of multi-dimensional network structure more complex, which not only brings some difficulties to the precise planning of production logistics. At the same time, because of the low level of information and the dynamic demand of customers, it is more difficult to monitor and replan the production logistics system in real time. Based on "made in China 2025", this paper proposes to accelerate the integration of information technology and manufacturing technology to promote the application of intelligent manufacturing process, intelligent logistics management and other technologies in the production process. In this paper, we study the Internet of things environment. The joint optimization of production logistics operation in manufacturing enterprises aims at sharing information among all departments of production logistics. Coordination optimization between horizontal and vertical departments to effectively deal with the impact of customer demand uncertainty on the operation of production logistics. The main research work includes the following five aspects: (1) based on the requirements of different parts of production logistics, the application and research status of the concept of uniform set in the field of production logistics are comprehensively analyzed and classified; (2) the standard AUTOM information architecture is extended to the Internet of things information architecture suitable for the whole set manufacturing, and the deployment scheme of the Internet of things equipment in each link of production logistics is given. (3) based on the analysis of the dynamic characteristics that may occur in the process of production logistics implementation, a three-layer, three-level, three-stage, two-stage, and two-stage linkage control mechanism is proposed to deal with the different dynamic intensity. It provides guidance to the precise decision of system level. (4) based on the superiority of the goal cascade analysis method to solve the problem of large-scale system optimization, the production logistics system of manufacturing enterprise is modeled. The goal is decomposed into hierarchical architecture to improve the efficiency and accuracy of production logistics linkage optimization. (5) based on the actual demand of the cooperative enterprise, a set of "production-logistics" linkage information system is developed to deal with the dynamic problem of temporary insertion in the execution process of the production logistics of the cooperative enterprise; Finally, through modeling and simulation of alignment optimization problem by MATLAB software, the results of comparison and simulation can be found: although the production cost will be increased, it can be found that the lower line buffer cost caused by non-uniform sleeve is greatly reduced. Finished goods storage cost and delay delivery cost; The earlier the dynamic happens, the lower the cost is, and the later the dynamic occurrence is, the more consistent the cost between the two sets is, and the earlier the delivery time is, the higher the cost is, and the cost caused by the linkage between the whole and the unaligned set tends to be the same.
【学位授予单位】:广东工业大学
【学位级别】:硕士
【学位授予年份】:2017
【分类号】:TP391.44;TN929.5;TP311.52

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