【作者】 李涛；

【导师】 尹超；

【作者基本信息】 重庆大学 ， 机械制造及其自动化， 2010， 硕士

【摘要】 随着汽车工业全球化市场竞争的日益激烈,汽车及零部件制造企业纷纷面临提高制造管理水平和客户服务能力的巨大压力。面对瞬息万变的国际汽车市场竞争环境,如何针对生产过程各种动态扰动事件实现快速、准确的生产作业动态调度,已成为广大汽车及零部件制造企业迫切需要解决的关键问题之一。近年来,国内外许多专家学者围绕汽车及其零部件制造企业的动态调度方法进行了大量的研究,取得了很多有价值的成果。本文借鉴以上研究成果,结合制造执行系统(Manufacturing Execution System,MES)等先进管理理念,针对典型汽车零部件——车用空调的装配车间生产作业动态调度方法进行探讨和研究。首先,在分析车用空调装配车间生产作业调度特点、现状及需求的基础上,针对影响车用空调装配车间生产作业的动态扰动事件,制订了基于反馈控制的信息反馈机制和基于事件驱动的动态调度策略,构建了基于可重入约束、设备能力约束、时间离散化约束的车用空调装配车间生产作业动态调度模型,并针对模型特点设计了基于遗传算法和灰色关联的模型求解方法。基于上述方法,结合MES的思想和理念,建立了一种车用空调装配车间生产作业动态调度支持系统的体系结构和和运行流程,并研究了基于数据库触发器的动态调度系统实时触发机制和基于Java多线程的并行遗传算法实现技术等系统实现的部分关键技术。最后,针对重庆某车用空调企业装配车间生产作业调度的现状与需求,设计和开发一套车用空调装配车间生产作业动态调度支持系统,并将其应用于该企业装配线车间生产作业调度实践中,取得良好应用效果。更多还原

【Abstract】 With the increasingly fierce global market competition of automobile industry, the auto and auto parts manufacturers have been facing pressures to improve abilities of manufacturing management and customer service. Facing the rapidly changing environment of international auto market, how to dynamic scheduling quality and accurately to disturbance events are the crucial points for the majority of auto and auto parts manufacturers. Recently, many scholars have been working on researches of dynamic scheduling methods and many valuable results have been accomplished. But the researches on vehicle air-condition manufacturers are few. In this paper, the dynamic scheduling methods of production operation for vehicle air-conditioning assemble shop are researched based on ideas of Manufacturing Execution System.First, based on the analysis of characteristics, status and requirements of dynamic production scheduling for vehicle air-conditioning assembly shop, an information feedback mechanism based on dual-feedback control was made and the dynamic scheduling strategy of vehicle air-conditioning assembly shop was proposed. Considering the reentrant constraint, equipment capacity constraint, and time discrete constraint etc., a multi-objective scheduling model of vehicle air-conditioning assembly shop was set up. According to the characteristic of the model, a solution algorithm based Genetic Algorithms and Grey Relational Analysis was presented.Furthermore, combined with ideas of MES, the architecture and the running mode of a dynamic production scheduling system for vehicle air-conditioning assembly shop are set up, and two of the system’s key technologies are researched. One is about real-time trigger mechanism for dynamic scheduling system based on database triggers, the other is the implementation technology of parallel genetic algorithm based on Java multi threading.Finally, based on the academic researches above, a dynamic production scheduling system of vehicle air-conditioning assembly shop was developed and applied in a vehicle air-condition Manufacture in Chongqing. The result of system implementation in the company is valuable.更多还原