基于Flexsim的吊钩生产系统建模与仿真

工业工程专业毕业设计 设 计 报 告

题 目 基于Flexsim的吊钩生产系统建模与仿真 班 级 工业081 姓 名 马力 学 号 11010308136 指导教师 梅宏标

2012年5月9日

江西理工大学应用科学学院毕业设计

基于Flexsim的吊钩生产系统建模与仿真

摘 要

随着全球经济一体化步伐加快，生产企业间的竞争更趋激烈，降低产品成本 是企业在竞争中取胜的关键。企业为了降低成本，合理配置物流资源，合理地构 建物流工程是必不可少的。当前，我国现代物流在功能和发展潜力上的主要问题 在于现代物流系统的不完善以及物流运作过程的不合理。自然形成的物流系统很 难保证其可靠性、合理性、协调性和最优性。因此，对生产物流系统的研究是提 高企业生产效率，降低生产成本，提高设备利用率的重要手段。

生产物流系统属于具有高度随机性的复杂离散事件系统，用传统方法分析比 较困难。计算机仿真技术是目前比较先进的物流系统研究方法，它的一个最大的 优点是不需实际安装设备、不需实际实施方案即可验证设备的导入效果和比较各 种方案的优劣。因此，它对降低整个物流投资成本起到不可或缺的作用。

运用系统仿真技术对物流系统进行研究的方法及工具有很多，本文采用的仿 真平台是Flexsim仿真软件。本文首先从生产物流系统的特点出发，论证了系统 仿真技术在生产物流系统研究中的重要作用，说明了系统仿真技术是研究生产物 流系统的行之有效的方法；其次，以系统仿真技术理论为基础，分析了在生产物 流系统这样一个高度离散性的系统中,运用仿真技术进行仿真的一般策略和步骤, 归纳出了 Flexsim仿真软件的主要功能和特点，以及在Flexsim中进行仿真的一般 步骤和方法；最后利用系统仿真软件Flexsim对某公司吊钩的生产物流系统进行了仿真。在对吊钩生产系统分析的基础上，利用系统仿真软件Flexsim对其生产 的物流状况进行了建模，并通过仿真试验以及仿真分析，研究了系统中出现的瓶颈问题，对系统的瓶颈问题进行了分析与探讨，并针对瓶颈问题建立了解决这一瓶颈的优化模型。

关键词：生产物流；离散事件；系统仿真；Flexsim

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马力：基于Flexsim的吊钩生产系统建模与仿真

Hook production system modeling and simulation based on

Flexsim

Abstract

At Present the global economic integration is accelerating quickly, and the competitiveness of manufacturing enterprises becomes fiercer. To the modem manufacturing sector to reduce production cost is the crucial link in the competition to win. In order to reduce production cost, rational logistics resource allocation and enhancing the construction of logistics engineering, are the most absolutely necessary. At present, the main problems on logistics function and logistical development potential in china, which are imperfect in the modem logistics system and unreasonable in the logistical processing. Therefore, study of the production logistics system is the important means to increase production efficiency, reduce production costs and improve the equipment utilization.

Production logistics system is a kind of the complex discrete event system with high degree of randomness, traditional analysis becomes more difficult. The technology of computer simulation is a kind of bank advanced method to study the logistics system, and one of it's biggest advantage is that we can test the effete of equipment and compare the merits of various options without actual installation of equipment and implementation of program. So it played an indispensable role for lowering the whole investment cost of logistics.

There are a lot of methods and tools of the on the simulation of production logistics system, in this paper we do some research with the platform of Flexsim. Firstly, according to the characters of production logistics system，with the paper arguments that the system simulation technique is important on the research of the logistics system, it is the valid method for logistics system research; Secondly, it is based on the theories of system simulation, analyzes the method and step in the simulation of production logistics system, generalizes the function and characters of the simulation on Flexsim; Finally, we do some simulation on this production logistics system of one company hook production and find out the logistics system bottleneck with the simulation of Flexsim. And put forward a solution.

KeyWords： production logistics; discrete event; system simulation; Flexsim

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江西理工大学应用科学学院毕业设计

目 录

第1章 绪论 ................................................................................................................................................ 1

1.1 研究背景 ....................................................................................................................................... 1 1.2 研究意义 ....................................................................................................................................... 1 1.3 本文的研究方法 ....................................................................................................................... 2 1.4 论文研究内容及技术路线 .................................................................................................. 2 第2章 生产物流系统分析 ................................................................................................................. 4

2.1 物流概述 ....................................................................................................................................... 4

2.1.1 现代物流概念 ................................................................................................................. 4 2.1.2 物流系统的概念及特点 ........................................................................................... 5 2.1.3 物流系统的主要问题 ................................................................................................. 6 2.2 生产物流概述 ............................................................................................................................. 6

2.2.1 生产物流的含义 ........................................................................................................... 6 2.2.2 生产物流的特点 ........................................................................................................... 7 2.2.3 生产物流的布置 ........................................................................................................... 7 2.2.4 生产物流优化的内容 .............................................................................................. 11 2.2.5 生产物流优化的目标 .............................................................................................. 12 2.3 本章小结 .................................................................................................................................... 12 第3章 生产物流仿真技术及Flexsim仿真软件 ............................................................... 13

3.1 系统仿真的基础 .................................................................................................................... 13

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