摊铺机装配线平衡方法研究及车间布局规划
发布时间：2019-01-23 18:49
【摘要】：随着市场竞争的加剧，传统的摊铺机装配生产方式，已经不能满足市场需求。本文在对某公司轮式摊铺机总装线进行调研分析的前提下，，指出该公司目前摊铺机装配所存在的主要问题，并提出采用流水线进行摊铺机装配。为了提高摊铺机的装配生产效率，本文主要从装配线的平衡问题和新车间的布局规划两个方面进行研究。 首先，本文结合轮式摊铺机的结构特点及工艺流程对其装配线进行了初步规划。在对摊铺机装配线平衡问题进行分析研究的基础上，采用线性规划法、分支定界法、启发式算法和遗传算法对摊铺机新装配线的平衡问题进行研究，得出四种装配线平衡方案。其次，运用eM-Plant仿真软件对这四种装配方案进行建模仿真。通过对四种方案的平衡指标和仿真数据进行对比分析，得出遗传算法是进行摊铺机装配线平衡优化的首选算法。并通过一个经典实例进行测试，在一定程度上验证了遗传算法求解装配线平衡问题的有效性和普遍性。 最后，根据摊铺机装配车间的形状、大小和工艺流程，对新车间进行布局规划，得到了三个车间布局方案，为了选出最优的布局方案，分别运用层次分析法和AHP-模糊综合评价法对三个布局方案进行评价选优。 本文研究的摊铺机装配流水线不仅可以提高企业的生产效率，还可以找出解决大型工程机械设备装配线平衡问题的方法，对以后与摊铺机装配线平衡问题类似的研究具有一定的借鉴意义。
[Abstract]:With the aggravation of market competition, the traditional paver assembly mode can not meet the market demand. Based on the investigation and analysis of the assembly line of a certain company's wheeled paver, this paper points out the main problems existing in the assembly of the paver in the company, and proposes to adopt the assembly line to assemble the paver. In order to improve the production efficiency of paver, this paper mainly studies the balance of assembly line and layout planning of new workshop. Firstly, the assembly line of wheeled paver is preliminarily planned according to its structural characteristics and technological process. On the basis of analyzing and studying the balance problem of paver assembly line, four kinds of assembly line balance schemes are obtained by using linear programming method, branch and bound method, heuristic algorithm and genetic algorithm to study the balance problem of new assembly line of paver. Secondly, the four assembly schemes are modeled and simulated by eM-Plant simulation software. By comparing and analyzing the balance index and simulation data of the four schemes, it is concluded that genetic algorithm is the first choice algorithm to optimize the balance of paver assembly line. The validity and universality of genetic algorithm in solving assembly line balance problem are verified by a classical example. Finally, according to the shape, size and technological process of the paver assembly workshop, the layout planning of the new workshop is carried out, and three workshop layout schemes are obtained. Analytic hierarchy process (AHP) and AHP- fuzzy comprehensive evaluation method are used to evaluate and select the three layout schemes. The paver assembly line studied in this paper can not only improve the production efficiency of enterprises, but also find a way to solve the problem of assembly line balance of large-scale construction machinery and equipment. It has certain reference significance to the future research similar to the paver assembly line balance problem.
【学位授予单位】：长安大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U415.521
本文编号：2414099
[Abstract]:With the aggravation of market competition, the traditional paver assembly mode can not meet the market demand. Based on the investigation and analysis of the assembly line of a certain company's wheeled paver, this paper points out the main problems existing in the assembly of the paver in the company, and proposes to adopt the assembly line to assemble the paver. In order to improve the production efficiency of paver, this paper mainly studies the balance of assembly line and layout planning of new workshop. Firstly, the assembly line of wheeled paver is preliminarily planned according to its structural characteristics and technological process. On the basis of analyzing and studying the balance problem of paver assembly line, four kinds of assembly line balance schemes are obtained by using linear programming method, branch and bound method, heuristic algorithm and genetic algorithm to study the balance problem of new assembly line of paver. Secondly, the four assembly schemes are modeled and simulated by eM-Plant simulation software. By comparing and analyzing the balance index and simulation data of the four schemes, it is concluded that genetic algorithm is the first choice algorithm to optimize the balance of paver assembly line. The validity and universality of genetic algorithm in solving assembly line balance problem are verified by a classical example. Finally, according to the shape, size and technological process of the paver assembly workshop, the layout planning of the new workshop is carried out, and three workshop layout schemes are obtained. Analytic hierarchy process (AHP) and AHP- fuzzy comprehensive evaluation method are used to evaluate and select the three layout schemes. The paver assembly line studied in this paper can not only improve the production efficiency of enterprises, but also find a way to solve the problem of assembly line balance of large-scale construction machinery and equipment. It has certain reference significance to the future research similar to the paver assembly line balance problem.
【学位授予单位】：长安大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U415.521
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