Agent co-ordination aided distributed computational engineering design

Co-ordination is a key research area in engineering design and distributed artificial intelligence, as well as a number of other disciplines. This paper highlights the need for co-ordination within distributed computational design environments. The key characteristics of co-ordination identified are coherence, communication, task management, resource management, schedule management, and real-time support. These key characteristics are integrated within a methodology, which is realised in a multi-agent system aimed at co-ordinating distributed computational design. Co-ordination in real-time is responsive and adaptive to changes in the distributed environment, such that the computational design analysis can be performed in an efficient manner. The agent-based co-ordination system has been applied to two case studies. Firstly, to a theoretical research-based case study related to an aspect of structural analysis involved in conceptual aircraft wing design. Secondly, the system is applied to a practical industrial-based case study involving turbine blade design. In both case studies the multi-agent system enables the respective computational design analysis to be conducted in a coherent and organised fashion making more efficient use of time and resources.     

An agent-based workflow system for enterprise based on FIPA-OS framework

The paper describes what we have learned from implementing a multi-agent architecture used to support enterprise notions and principles for intelligent systems design. In the last couple of years, agent-based management systems have been widely used to monitor and control business design processes. In this paper, multi-agent architecture is proposed and applied to the workflow management system in ASE¹ (Advance Semiconductor Electronic) Inc., which is the world’s well-known largest provider of independent semiconductor for manufacturing services in assembly and test. The proposed FIPA-OS autonomous workflow management system uses a workflow co-ordination mechanism and an agent integration mechanism to enable the routine daily jobs error handle. Our vision for extending the FIPA-OS architectural elements to cover the development and implementation of generic web-Centric collaborative applications concludes the paper.     

基于多Agent的会议制订系统MSS/MAS

MSS/MAS系统是一种基于多Agent的分布式会议自动制订系统。它的协商方式是基于非终止主动合作计算模型,具有良好的理论背景。我们利用多Agent间的合作关系设计系统并实现高效的会议制定功能,因此MSS/MAS系统是一种具有较强应用价值的多Agent系统。     

多Agent环境下过程设备的分布式智能决策支持

以化工企业过程设备为对象,论述了利用多Agent技术建立的过程设备分布式智能决策支持系统.系统以基本的状态监测Agent为基础,将人工智能与专业知识相结合,建立设备预决算、寿命预测、故障诊断、检修计划、设备管理等多Agent,并构建多Agent之间的通信和协调机制.系统充分利用企业底层的生产信息,依靠多Agent的优势,及时制定合理的维修策略,延长设备的使用寿命,从而达到降低设备全寿命周期费用的效果.     

多Aqent环境下过程设备的分布式智能决策支持

以化工企业过程设备为对象，论述了利用多Agent技术建立的过程设备分布式智能决策支持系统。系统以基本的状态监测Agent为基础，将人工智能与专业知识相结合，建立设备预决算、寿命预测、故障诊断、检修计划、设备管理等多Agent，并构建多Agent之间的通信和协调机制。系统充分利用企业底层的生产信息，依靠多Agent的优势，及时制定合理的维修策略，延长设备的使用寿命，从而达到降低设备全寿命周期费用的效果。     

基于多智能体系统的集成电路制造生产调度的分布异构数据集成

集成电路制造体系是典型的分布异构数据动态计算环境,分布异构数据集成是集成电路制造企业进行生产调度首要解决的关键问题之一。针对集成电路制造企业分布异构数据的特点,以及生产调度系统对数据及时性、实时性的特点,提出一种基于多智能体系统的面向集成电路制造生产调度的分布异构数据集成技术。在国内某集成电路制造企业实施结果表明,该技术方案在分布异构环境下,具有很强的数据集成与服务能力。     

基于多Agent技术和MVC模式的设备管理信息系统

设备管理信息系统的建设应适应社会发展的需要。分析了多Agent技术,利用Agent的的自治性、反应性、协作性和通信性等特点,将多Agent思想和MVC模式应用于设备管理信息系统,以更好地实现企业设备资源的管理信息化。提出了基于多Agent和MVC模式的设备管理信息系统体系架构,探讨了具体功能Agent模块设计及其工作过程和通信方式,为建立设备管理信息系统提供了新的解决方案。以多Agent和MVC为背景．提出了适合大中型企业的层次系统结构,在实际的使用中得到很好的验证。     

Performance properties of vertically partitioned object-orientedsystems

A vertically partitioned structure for the design and implementation of object-oriented systems is proposed, and their performance is demonstrated. It is shown that the application-independent portion of the execution overheads in object-oriented systems can be less than the application-independent overheads in conventionally organized systems built on layered structures. Vertical partitioning implements objects through extended type managers. Two key design concepts result in performance improvement: object semantics can be used in the state management functions of an object type and atomicity is maintained at the type manager boundaries providing efficient recovery points. The performance evaluation is based on a case study of a simple but nontrivial distributed real-time system application     

Modelling and simulation of complex manufacturing systems using statechart-based actors

This paper describes a multi-agent architecture based on the actors computational model, for the distributed simulation of discrete event systems whose entities have a complex dynamic behaviour. Complexity is dealt with by exploiting statechart-based actors which constitute the basic building blocks of a model. Actors are lightweight reactive autonomous agents that communicate to one another by asynchronous message passing. The thread-less character of actors saves memory space and fosters efficient execution. The behaviour of actors is specified through “distilled statecharts” that enable hierarchical and modular specifications. Distributed simulation is achieved by partitioning a system model among a set of logical processes (theatres). Timing management and inter-theatre communications rest in a case on the High Level Architecture services. The paper illustrates the practical application of the proposed modelling and simulation methodology by specifying and analysing a complex manufacturing system.     

Distributed event-triggered output regulation of multi-agent systems

Motivated by the future use of embedded microprocessors with limited resources and limited computational resources, the distributed output regulation with event-driven strategies problem of linear multi-agent systems is considered in this paper. The main task is to design distributed feedback by employing event-triggered technique for multi-agent systems such that all agents can track an active leader, and/or distributed disturbance rejection. Both leader and disturbance are generated by some external system (exosystem). Both distributed static and dynamic feedback with event-triggered strategy are constructed here. Then, the input-to-state stability of the closed-loop multi-agent system is analysed. Finally, a numerical example is given to validate the proposed control.     

An abstract architecture for virtual organizations: The THOMAS approach

Today, the need for architectures and computational models for large-scale open multi-agent systems is considered to be a key issue for the success of agent technology in real-world scenarios. This paper analyzes the significant unsolved problems that must be taken into account in order to develop real, open multi-agent systems. It identifies requirements and related open issues, discusses how some of these requirements have been tackled by current technologies, and explains how the THOMAS architecture is able to give support to these open issues. This paper also describes the THOMAS abstract architecture and computational model for large-scale open multi-agent systems based on a service-oriented approach that specifically addresses the design of virtual organizations. An application example for the management of a travel agency system, which demonstrates the new features of the proposal, is also presented.     

The Gaia Methodology for Agent-Oriented Analysis and Design

This article presents Gaia: a methodology for agent-oriented analysis and design. The Gaia methodology is both general, in that it is applicable to a wide range of multi-agent systems, and comprehensive, in that it deals with both the macro-level (societal) and the micro-level (agent) aspects of systems. Gaia is founded on the view of a multi-agent system as a computational organisation consisting of various interacting roles. We illustrate Gaia through a case study (an agent-based business process management system).     

多智能体的分布式智能故障诊断

基于分布式人工智能的思想 ,将多Agent技术引入复杂故障诊断领域 ,分析了基于MAS的分布式智能故障诊断方法和过程 ;讨论了基于模式聚类的故障求解机制及对诊断问题任务辨识、分解 ;研究了多Agent宏观上的约束和关联 ;设计了应用Agent工作状态的表达机制 ;确定了应用Agent间的工作状态影响关系及多Agent间的交互、协作和通讯 ;构建了多Agent模糊关联模型 ;给出了多Agent诊断系统局部诊断决策与全局诊断决策的集成描述结构 ;建立了一种分布式Agent诊断系统结构及其原型系统 .在某电力企     

基于Agent分布式仪表产品造型协同设计应用研究

基于Agent代理,提出将Web技术和Multi-Agent技术融合的分布式协同设计系统,为产品设计过程中设计人员之间的信息共享和资源共享提供了更有效的方法.在分析系统体系结构的基础上,着重阐述了Multi-Agent代理模型和工作原理,并将其应用于仪表产品造型设计系统中,实现基于Agent的分布式仪表产品造型设计原型系统.     

多Agent系统中实时消息传递机制

1 引言 Agent是具有信念、能力、决策和承诺等精神状态的实体,它的提出是以计算的社会学模型为背景,通过多个简单Agent协同工作,可以完成比较复杂的任务。分布式人工智能(DAI)的主要目标就是解决如何组织多Agent系统中的Agent,使它们能够协同工作以完成复杂问题求解。多Agent系统的关键问题是Agent间的协同,而根据计算社会学模型的观点,消息     

基于多智能体的人力资源管理决策支持系统

提出了基于多智能体的人事管理系统设计思想，以实现人事管理任务的分布式协作求解，更好地实现人事管理的信息化。分析了现代Agent代理技术，利用Agent智能代理的自治性、反应性、协作性、进化性、通信性和移动性等特点，构建了基于Agent的人事管理决策支持系统的体系构架模型，描述了任务智能体、人事管理系统的结构、具体的功能Agent模块设计及其工作过程和通信方式，使系统能够在目标的驱动下采取社交、学习等行为，对环境的变化作出主动的反应并完成特定的人力资源管理任务。该系统显著提高了人事管理工作的效率，为人力资源管理信息系统的开发提供了一种新的模式。     

基于MAS的复杂系统分布式求解策略与推理研究

针对复杂的连续生产线系统监测与故障诊断的动态、分布、实时和不确定特性，将多Agent及相关智能技术引入复杂故障诊断领域，提出了一种嵌套式基于消息传递的多Agent组织模型，分析了基于MAS的分布式智能故障诊断方法和过程；研究了模型系统的动态适应性和稳定性；设计了实时诊断Agent工作状态的表达机制；讨论了Agent间的协调协作机制及融合方法；给出了多Agent诊断系统诊断决策的集成描述结构；提出了任务分解与分配调度算法，以充分发挥Agent的社会性和基于场景的特点，使得在复杂系统的问题求解中能提供更为可靠的诊断结果，而且还能节约资源提高诊断效率．将其应用于某安全监控系统中，取得了与专家相似的诊断结果，克服了以往监控诊断系统存在的弊端，提高了企业的安全运行效率．与传统诊断方法相比，体现了Agent技术在复杂分布式问题求解领域的特有优势和良好前景．     

基于多Agent技术的DDSS研究

通过DDSS与多Agent系统的比较 ,指出可将多Agent系统的思想融入DDSS的研究中。对DDSS进行分析 ,指出基于多Agent技术的DDSS需要解决的几个关键问题 ,最后给出一个应用实例     

Semantic Web based innovative design knowledge modeling for collaborative design

This paper describes a study about how to use the Semantic Web technologies for innovative design knowledge modeling in a multi-agent distributed design environment. Semantic Web based knowledge modeling for innovative design is proposed as prelude to the meaningful agent communication and knowledge reuse for collaborative work among multidisciplinary organizations. A model for innovative design is proposed at first, based on which a knowledge schema is brought forward. For sharing the design knowledge among an internet-based or distributed work team, even globally, A RDF-based knowledge model is presented to realize its representation on Semantic Web. A Semantic Web based repository for innovative design and its API for topper Semantic Web applications have been also constructed. The proposed knowledge modeling extends traditional product modeling with capabilities of innovative design, knowledge sharing and distributed problem solving, and is employed as a content language within the messages in the proposed multi-agent system architecture. The proposed approach is viewed as a promising knowledge management method that facilitates the implementation of computer supported cooperative work in innovative design of Semantic Web applications.     

基于Windows服务的粮食物流短信服务平台的构建

针对粮食物流中的车辆调度管理和数据实时传输的问题,本文提出一种把短息技术SMS(Short Messaging Service,简称SMS)应用到粮食物流管理信息系统中的方法。本文采用Windows服务技术构建了一个粮食物流短信服务平台,给出了构建过程中的关键问题和设计思路,研究SMS在粮食物流管理信息系统中应用的关键技术,从而实现通过SMS对运粮车辆的调度管理、作业信息管理和实时监控。通过试点应用表明,该方法能够方便、有效、及时地对粮食物流信息进行采集、传输与管理。最后,总结了基于Windows服务的短信服务平台的特点及应用前景。