面向用户参与的互联开放式设计模式及方法研究
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1.面向混线生产的智能调度方法研究
- 关键词:
- 混线生产;柔性作业车间调度问题;神经网络;强化学习
- 王盈聪
- 指导老师:南京航空航天大学 朱海华
- 0年
- 学位论文
随着社会经济水平的提高,人民生活质量的改善,市场环境和用户需求的转变,现代制造模式不断向多品种小批量混线生产模式演进。越来越多的制造企业在柔性作业车间中采用混线生产模式进行生产。同时,在“中国制造2025”战略被提出后,基于人工智能的车间调度方法已经成了新的研究热点。因此,建立面向混线生产的柔性作业车间调度问题模型和研究基于人工智能的车间调度方法,对指导现代企业生产和实现智能调度具有重要意义。本文在前半部分中提出了面向混线生产的柔性作业车间调度问题模型,在后半部分中结合车间调度技术和强化学习技术,提出了一种智能车间调度方法。本文的主要研究内容如下:首先,针对当前混线生产研究中的不足,提出了面向混线生产的柔性作业车间调度模型。针对该模型,设计了对应的多段遗传算法;并运用该多段遗传算法对面向混线生产的柔性作业车间调度问题进行求解,从而验证了所提出模型的可行性。其次,为了提升车间调度的智能性,针对当前基于人工智能调度方法研究中的不足,基于MDP,设计了车间调度中的强化学习模型:FJSSP-MDP模型和面向混线生产的FJSSP-MDP模型。再次,针对所设计的车间调度中的强化学习模型,设计了基于强化学习的调度方法和相应的扰动处理机制,并通过算法分析和实例仿真验证了所提出的调度模型和调度算法的可行性。最后,设计了车间调度原型系统,并通过案例验证了车间调度原型系统的可行性。
...2.面向混线生产的多Agent智能调度方法研究
- 关键词:
- 车间调度;混线生产;多Agent系统;Contextual bandits;扰动处理
- 陈鸣
- 指导老师:南京航空航天大学 朱海华
- 0年
- 学位论文
随着社会经济水平的提高,人民生活质量的改善,市场环境和用户需求的转变,现代制造模式不断向多品种小批量混线生产模式演进。越来越多的制造企业在柔性作业车间中采用混线生产模式进行生产。同时,在“中国制造2025”战略被提出后,基于人工智能的车间调度方法已经成为新的研究热点。因此,建立面向混线生产的车间调度问题模型和研究基于人工智能的车间调度方法,对指导现代企业生产和实现智能调度具有重要意义。本文将Agent技术同车间调度技术相融合,对面向混线生产的车间调度模型进行了研究,提出了一种面向混线生产的多Agent智能调度方法并进行实验验证。具体的研究内容如下:首先,通过对该类问题所具有的诸多约束条件进行充分地剖析,设计了基于“组合加工”、“虚拟工序”概念的约束转化方案,将该问题转化为经典的FJSP问题。结合实际车间应用场景、个体Agent及MAS的特性,设计了MAS组织结构和协商机制。其次,针对传统多Agent方法仅使用单一调度规则导致优化效果欠佳的缺点,利用Contextual Bandits设计了自学习调度决策机制,使每个Agent经过学习后都能够根据环境状态选择最合适的调度规则以实现调度的优化。然后,对混线生产车间中常见的扰动事件进行了分析,在本文提出的自学习调度决策机制的基础上,设计出了基于调度知识的实时扰动处理机制,实现了扰动事件的高效解决。最后,基于JADE开发框架和My SQL数据库系统设计了车间调度原型系统,对其具备的实用功能进行了阐述,并运用实际案例对该系统进行了有效性的验证。
...3.一种基于静态调度预测的智慧工厂动态协同调度方法
- 发明人:
- 授权日:}
- 专利
4.一种物流分拣装置及其驱动方法
- 发明人:
- 授权日:}
- 专利
5.An approach to user knowledge acquisition in product design
- 关键词:
- Product design;Digital storage;Machine design;Rough set theory;Decision theory;Computer technology;Design information;Information flows;Knowledge based economy;NAtural language processing;Product collaborative design;Product design process;User requirements
- Tan, Libin;Zhang, Haijuan
- 《Advanced Engineering Informatics》
- 2021年
- 50卷
- 期
- 期刊
As the world increasingly moves towards a knowledge-based economy, user requirements become an important factor for enterprises to drive product collaborative design evolution. To map user requirements to the product model, user requirements are generally extracted into knowledge that can be used for design decisions. However, because users are interest-driven participants and not professional design engineers, the effect of user knowledge acquisition is not ideal. There are significant challenges for rapid knowledge acquisition with dynamic user requirements. This paper presents an approach to user knowledge acquisition in the product design process, which obtains the tangible requirements of users under the premise that users are adequate for participation. In this approach, the typical information flow is divided into four stages: submission, interaction, knowledge discovery, and model evolution. In the submission stage, natural language processing technology is used to transform text form solutions into data, so that computer technology can be applied to manage large-scale user requirements. In the interaction stage, users are helped to improve their solutions by the iterative recommendation process. In the knowledge discovery stage, after less concerned partial solutions are removed and vacant items are predicted to be supplemented, the final collection of user design information is obtained. Finally, based on rough set theory, design knowledge can be extracted to support the decision of the product model. The washing machine design project is used as a case study to explain the implementation of the proposed approach.© 2021 Elsevier Ltd...6.A flexible configuration method of distributed manufacturing resources in the context of social manufacturing
- 关键词:
- Social manufacturing; Manufacturing community; Collaborative production;Production networks; Production disturbance;OPTIMIZATION ALGORITHM; GENETIC ALGORITHM; SELECTION; PARTNERS; MODEL;IOT
- Zhang, Yi;Tang, Dunbing;Zhu, Haihua;Li, Shipei;Nie, Qinwei
- 《COMPUTERS IN INDUSTRY》
- 2021年
- 132卷
- 期
- 期刊
Under the influence of Industry 4.0, manufacturing resources (MRs) across regions and enterprises realize ubiquitous interconnection and real-time data acquisition via communication network and internet of things, which makes it possible for distributed MRs to provide appropriate production services according to changeable market demand. Therefore, social manufacturing (Social Mfg) system came into being. Under the Social Mfg environment, a flexible configuration method of distributed MRs is put forward in this paper, which is qualified to quickly respond to order demand and production disturbance. Firstly, superior manufacturing services are selected from the resource pool of the platform according to the types of subtasks. Secondly, high-quality service compositions capable of completing a complicated manufacturing task are obtained by NSGA-III algorithm, which meets the requirements of multi-objective optimization in terms of time, cost and quality. In addition, a MRs collaborative network model is constructed based on the historical cooperation data. The Louvain algorithm is employed to detect the manufacturing communities (MCs) from the collaborative network. Finally, the MCs are applied to provide the optimal service schemes for personalized demand at a fast speed, as well as realizing dynamic reconfiguration of MRs under abnormal disturbance. Experimental results demonstrate that the proposed method possesses significant performance in both efficiency and robustness, and makes great contributions to the development of Social Mfg in terms of resource configuration. (c) 2021 Elsevier B.V. All rights reserved.
...7.基于改进粒子群算法求解分布式多工厂生产调度问题
- 关键词:
- 分布式多工厂;改进粒子群算法;二阶振荡;随机权重;最大完工时间
- 王仕存;唐敦兵;朱海华;聂庆炜;潘俊峰;杨雷
- 《机械制造与自动化》
- 2021年
- 卷
- 04期
- 期刊
为解决分布式多工厂生产调度问题,将其转化为分布式柔性车间调度问题,设计了基于二阶振荡的随机权重混合粒子群算法,以最小化、最大完工时间为目标,将柔性作业车间调度问题嵌套于分布式调度方式中进行求解,利用随机权重来平衡全局和局部搜索能力,运用学习因子的二阶振荡提高全局搜索能力,并通过算例仿真验证了该算法的有效性和优越性。
...8.面向用户参与的互联开放式设计模式及方法研究结题报告
- 朱海华;
- 《南京航空航天大学;》
- 2021年
- 报告
相比于传统的封闭式的产品设计模式,开放式设计极大地拓宽了产品创新的渠道,在实现技术创新、加速创意转化、节约创新成本、提高用户满意度等方面表现出了突出优势。然而,开放式设计基础理论研究的不足严重制约了开放式设计思想在复杂产品系统研发中的应用。为此,本课题提出一种面向用户参与的互联开放式设计理念,并对其设计模式、方法、组织协作机制进行研究:1)研究了可支持用户参与的互联开放式设计参考模型,根据参与到开放式设计中用户的特征和生物进化的动态机制,从“协调博弈”和“进化稳定策略博弈”两方面去研究用户需求的动态变化。2)对开放式设计环境下参与者大规模群体协作的组织模式和实施方法进行了研究。讨论了开放式设计环境下设计平台对于外部创新资源的利用模式,通过在FBS模型基础上引入需求和资源信息,提出了一种拓展的RFBSR模型,实现了开放式设计项目需求—功能—行为—结构—资源之间的映射。3)研究了基于自适应耦合机制的用户需求动态处理和多源知识互联融合方法。从网络的鲁棒性角度出发,讨论了资源节点失效对知识协作网络鲁棒性的影响。提出采用随机多指标方案可接受度分析方法(SMAA)解决不确定性多指标决策问题。4)开发了面向开放式设计的群体协作平台原型系统。讨论了面向开放式设计的群体协作平台的整体系统架构和功能组成,借助QT Webengine完成了面向开放式设计的群体协作平台原型系统的开发,并结合工程实例对上述知识协作平台原型系统的功能进行了演示和说明。
...9.A Process Simulation-Based Method for Engineering Change Management
- 关键词:
- Artificial intelligence;Belt conveyors;Cost engineering;Product design;Ant Colony Optimization (ACO);Change propagation;Design change;Engineering change managements;Engineering changes;Optimization algorithms;Process simulations;Product changes
- Yin, Leilei;Zhu, Haihua;Sun, Hongwei;Liao, Liangchuang
- 《Transactions of Nanjing University of Aeronautics and Astronautics》
- 2021年
- 38卷
- 1期
- 期刊
Engineering change management is a special form of problem solving where many rules must be followed to satisfy the requirements of product changes. As engineering change has great influence on the cycle and the cost of product development, it is necessary to anticipate design changes (DCs) in advance and estimate the influence effectively. A process simulation-based method for engineering change management is proposed incorporating multiple assessment parameters. First, the change propagation model is established, which includes the formulation of change propagation influence, assessment score of DC solution. Then the optimization process of DC solution is introduced based on ant colony optimization (ACO), and an optimization algorithm is detailed to acquire the optimal DC solution automatically. Finally, a case study of belt conveyor platform is implemented to validate the proposed method. The results show that changed requirement of product can be satisfied by multiple DC solutions and the optimal one can be acquired according to the unique characteristics of each solution.© 2021, Editorial Department of Transactions of NUAA. All right reserved....10.基于物联技术的多智能体制造系统
- 张泽群;朱海华;唐敦兵;
- 0年
- 图书
