Computer aided process planning ( capp ) is one of the nucleal techniques of advanced manufacturing , as well as the basic technique of computer integrated manufacturing system ( cims ) % concurrent engineering ( ce ) and agile manufacturing ( am ) 计算机辅助工艺设计( computeraidedprocessplanning , capp )是先进制造技术的核心技术之一,是实现计算机集成制造、并行工程乃至敏捷制造的重要基础性技术。
On - line inspection for machining center is one of the key technologies to improve precision and automation of machining center and one of the indiscerptible parts of the quality assurance system of computer integrated manufacturing system - cims 加工中心在线检测技术是提高加工中心工作精度和操作自动化程度的关键技术之一,是计算机集成制造系统( computerintegratedmanufacturingsystem ? cims )中质量保证系统不可分割的一部分。
But there are more complex systems in real life , such as complex industrial production processes , computer integrated manufacturing systems , intelligent robot systems , etc . it is urgent for control theory to make a remarkable progress in the control of complex systems 然而,现实生活中更多的是复杂系统,如复杂的工业生产过程、计算机集成制造系统、智能机器人系统等,控制理论亟需在复杂系统控制领域取得突破性的进展。
In market competition , along with the widely applying of the cims ( computer integrated manufacturing system ) and erp ( enterprise resource plan ) , many enterprises have gone to the similarly highly level of internal factors , such as product quality and accommodating in time 随着cims (计算机集成制造系统)与erp (企业资源计划)的逐步广泛应用,在竞争之中,在产品质量、供货及时性等内部因素上,很多企业已经在一个高水平上逐步趋同。
It possesses not only the self - learning ability and adaptability , but also the function of self - adjusting factors . based on fuzzy set , neural network theory , the fuzzy control model and fuzzy neural network control model of multi variable system are presented . based on the automatic core - welding line of shop floor control system in yangzhou radiator plant computer integrated manufacturing system ( ys - cims / sfcs ) , the fuzzy logic theory was applied to the controlling device and established the main heating room fuzzy temperature controller and finally was put into practical use 本文采用了基于神经网络技术的智能pid控制策略,设计了一类具有自学习和自调整比例因子功能的神经元网络自适应pid控制器的结构及算法;为解决结构不确定性的复杂多变量系统的控制,基于模糊集及模糊系统、神经网络理论,建立了多变量系统的模糊控制模型及模糊神经网络控制模型;针对扬州水箱厂计算机集成制造系统车间管理与控制系统( ys - cims sfcs )中的实际工程问题,设计和开发了散热器芯子烘焊自动线主烘腔温度模糊控制器,解决了生产中长期存在的老大难问题,提高了产品质量,降低了单产能耗。
Data reconciliation is one of the key elements of cims ( computer integrated manufacture system ) in process industry . by using the redundancy in measurements and process models , it can eliminate mesaurements with gross error ( mges ) . reduce random measurment errors and estimate unmeasured variables by using statistical methods 数据协调技术是流程工业cims的关键,它利用信息的冗余性,结合各种统计分析方法和生产过程机理,剔除原始数据中的显著误差,降低随机误差的影响,并设法估计出未测变量,保证了cims信息源的真实性。
Guided with cim philosophy , this thesis analyzed computer integrated manufacturing system ( cims ) technology and methodology , analyzed the cims characteristics of shipbuilding enterprise . discuss the construction of the intranet services platforms and their interconnection , study the method of product data management based on international standards 本论文以cim哲理为指导,分析了现代企业集成制造系统的技术构成和系统集成方法,分析了造船企业cims的特点,探讨企业内联网的支撑平台信息服务的建设和异构系统互连以及基于标准体系的产品数据管理等应用的实现方法,具体来说研究工作包括: 1
Computer integrated manufacturing system ( cims ) is a contemporary manufacturing system developing with the mass production in enterprise and increasing market competing , which emphasize on computerization , information technology application , smartness and optimized integration in process of enterprise production Cims是近年来随着企业的大规模生产和市场竞争的日益激烈而发展出的一种强调企业生产过程中的计算机化、信息化、智能化和集成优化的现代制造系统。
Computer integrated manufacturing system ( cims ) is a front research field of high technology , which has been developed rapidly for many years . flexible manufacturing system ( fms ) is an important subsystem of cims . in order to use fms effectively , it shows that scheduling is important 计算机集成制造系统( computerintegratedmanufacturingsystem ,简称cims )是几年来迅速发展的一个高技术前沿研究领域,而柔性制造系统fms ( flexiblemanufacturingsystem )是其中一个重要的子系统,为了尽可能的使用fms必须依赖于一个好的fms调度系统,而此系统的核心是最优调度算法,也就是加工系统中的排序问题。
Based on polymerization reaction of the nylon - 6 rubberized cord fabric production of distributed control system in yangzhou organic chemical plant computer integrated manufacturing system ( yh - cims / dcs ) , the multiple stepwise regression method was used to build the statistic mathematical models of the molecule weight and the monomer quantum of casting slice belt . then the optimization model of polymerization reaction was presented , which was solved by using simulation annealing algorithm to obtain the best techniques parameters . the improved hybrid genetic algorithm and back propagation algorithm are combined to train neural network , brought out the neural network prediction model of casting slice belt ' s average molecule weight to guide the technologist on - line 提出了流程工业生产过程操作优化策略和应用实施方法,包括生产过程离线优化策略、非线性问题求解策略、在线优化模型及学习策略;结合扬州有机化工厂计算机集成制造系统集散控制系统( yh - cims dcs )的实施,针对锦纶? 6浸胶南京理工大学博士学位论文摘要帘于布生产中己内酚胺聚合反应过程优化控制这一工程实际问题,采用统计建模方法,建立了聚合反应过程的优化模型;为求解所得的优化模型,提出了种改进的有约束条件下的模拟退火算法,该算法能避免陷于局部最优解,有效地提高了所求解的全局性和可靠性:提出了基于改进的ga算法和sp算法相结合的混合学习算法,建立了基于神经网络的聚合反应过程生产目标在线预测模型,该算法和模型满足了生产中的实时性和实用性要求。