Development of a Large Autonomous Virtual Manufacturing System on Distributed Information Network

分布式信息网络大型自主虚拟制造系统的开发

• 批准号: 07555366
• 负责人: FUJII Susumu
• 金额: $ 1.34万
• 依托单位: Kobe University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (A)
• 财政年份: 1995
• 资助国家: 日本
• 起止时间: 1995 至 1996
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-07555366/
• 关键词: Large manufacturing system; Design evaluation; Operational evaluation; Manufacturing system model; Distributed simulation; Discrete event simulation; Synchronization mechanism; Time bucket mechanism; 生産システム; シミュレーション; 分散; 仮想生産システム

In this study, we investigate to develop a simulation-based decision support system under computer integrated manufacturing. The activities in the factory are modeled and expressed in a "virtual manufacturing system" (VMS) which is an internal model developed in a comput system. We focused to realize an autonomously distributed VMS as a distributed simulation system in this study in accord with the following considenration : the distributed information network will become an essential infrastructure in future factories, the distributed processing is effective to attain the high speed correspondence in large scale simulation, the distributed nature of the decision making activities in an organization can be well represented and modeled by a distributed autonomous decision processes on a distributed computer system and so on.The basic requirements for the manufacturing activity model are investigated and the basic specification of a VMS is defined. Simulation software packages in the mar … More ket are evalusted from the viewpoints of appropriateness in modeling the object simulation system of this study, especially in regard of the self-containment and/or additional extensibility of communication function to develop a distributed simulation system. In this respect, we investigated the communication and synchronization methods among elemental simulation systems, each representing a shop, transporation system, storage or distribution center in a factory. Based on the preliminary research on the established synchronization mechanisms reported in the past, we proposed a new mechanism named "Time Bucket Mechanism". Single-Phased and Double-Phased methods are also proposed to improve the simulation accuracy. Depending on the simulation speed and accuracy required, we can implement the most appropriate mechanism and parameters in the VMS.Based on the above studies, a prototype VMS is developed for a hypothetical factory. The experience in developing a VMS clarified overall problems to be solved in developing a large VMS and/or to improve the modeling capability in future. Various experiments by the developed VMS are made to evaluate the performance of proposed synchronization mechanisms on the simulation speed and accuracy, demonstrating the effectiveness of the mechanisms. Less

在本研究中，我们探讨在电脑整合制造下，发展一个以模拟为基础的决策支援系统。虚拟制造系统（VMS）是在计算机系统中开发的内部模型，它对工厂中的活动进行建模和表达。本研究的重点是实现一个自主分布式VMS作为一个分布式仿真系统，雅阁如下：分布式信息网络将成为未来工厂中必不可少的基础设施，分布式处理对于在大规模仿真中实现高速通信是有效的，组织中决策活动的分布特性可以通过分布式计算机系统上的分布式自治决策过程等来很好地表示和建模。研究了制造活动模型的要求，定义了VMS的基本规范。仿真软件包在市场上 ...更多信息 ket从建模对象仿真系统的适当性的角度进行了评估，特别是在开发分布式仿真系统的通信功能的自包含性和/或额外的可扩展性方面。在这方面，我们研究了基本的仿真系统之间的通信和同步方法，每个系统代表一个商店，运输系统，存储或配送中心在一个工厂。本文在对已有同步机制进行初步研究的基础上，提出了一种新的同步机制--时间桶机制。为了提高仿真精度，本文还提出了单相法和双相法。根据仿真速度和精度的要求，我们可以在VMS中实现最合适的机制和参数。在上述研究的基础上，虚拟制造系统的原型开发了一个假设的工厂。开发VMS的经验阐明了开发大型VMS和/或提高未来建模能力所要解决的总体问题。在VMS平台上进行了多项仿真实验，从仿真速度和仿真精度两个方面对所提出的同步机制进行了评估，验证了所提出的同步机制的有效性。少

项目成果

Susumu Fujii and Tetsuya Miyamoto: "A Basic Study on Object-Oriented Distributed Simulation for Manufacturing System" Proc.of the 74th JSME Fall Annual Meeting. 277-278 (1996)

Susumu Fujii 和 Tetsuya Miyamoto：“制造系统面向对象分布式仿真的基础研究”第 74 届 JSME 秋季年会会议记录。

藤井, 木谷, 荻田, 角田: "Architecture of a Distributed Simulation System for Virtual Manufacturing" Proc.13th International Conference on Production Research. 438-440 (1995)

Fujii、Kitani、Ogita、Tsunoda：“虚拟制造分布式仿真系统的体系结构”Proc.13th 国际生产研究会议 438-440 (1995)。

藤井, 宮本: "オブジェクト指向分散型生産システムシミュレーションに関する基礎研究" 日本機械学会74期全国大会講演論文集(IV). No.96-15. 277-278 (1996)

Fujii，Miyamoto：“面向对象的分布式生产系统模拟的基础研究”第74届日本机械工程学会全国会议论文集（IV）第96-15号（1996）。

藤井, 木谷, 荻田, 宮本: "シミュレータ統合による分散型仮想工場構築に関する研究" 第40回システム制御情報学会研究発表講演会講演論文集. 465-466 (1996)

Fujii、Kitani、Ogita、Miyamoto：“通过模拟器集成构建分布式虚拟工厂的研究”系统、控制和信息工程师学会第 40 届年会论文集 465-466（1996）。

Susumu Fujii, Atsushi Ogita, Yasushi Kidani and Haruhisa Tsunoda: "A Study of Interconnectivity of Subsystems in Distributed Manufacturing System Simulator" Proc.of the Fifth Intelligent FA symposium.ISCIE. 1-2 (1995)

Susumu Fujii、Atsushi Ogita、Yasushi Kidani 和 Haruhisa Tsunoda：“分布式制造系统模拟器中子系统互连性的研究”第五届智能 FA 研讨会论文集。ISCIE。