航空电子综合化仿真系统的设计与实现

讨论了航空电子综合化仿真系统的设计与实现 ,主要探讨了此仿真系统的软硬件开发、系统组成以及整个系统的总线信息流。仿真系统的设计是采用某型飞机的总线拓扑结构 ,将各个子系统连接起来 ,以达到综合显示、综合处理、综合控制、数据综合传输、资源共享的目的。各个子系统分别用一台计算机进行数字仿真 ,以代替其实体     

综合航电任务机仿真系统的设计与实现

介绍了航空电子综合化仿真系统中任务计算机子系统的设计与实现,详细讨论了此系统的功能、组成以及具体的硬件与软件设计方法.仿真系统的设计采用某型飞机的总线拓扑结构,将各个子系统连接起来,以达到综合显示、综合处理、综合控制、数据综合传输、资源共事的目的,并在综合航电仿真系统的联合调试中,验证了此系统的可行性和正确性.     

某型飞机拦阻系统纠偏仿真分析

文章建立了某型飞机拦阻系统基于SIMULINK下的飞机撞偏拦阻仿真模型（也适用于非撞偏状况），进行了飞机撞偏阻过程仿真，仿真结果表明，此型飞机拦阻系统对撞偏飞机具有很好的纠偏能力，另外，所建立的仿真模型不仅适用于此型飞机拦阻系统，而且在对模型子系统进行更换后，该撞拦阻仿真模型也适用于其它飞机拦阻系统。     

某型飞机失速尾旋模拟训练系统关键技术研究

针对国内某型飞机失速尾旋模拟训练需求,研制了某型飞机失速尾旋模拟训练系统。系统由多通道球幕视景系统、半实物仿真座舱以及操纵力控制加载系统等组成,采用分布式仿真技术,构建了逼真的人在回路模拟训练环境。针对失速尾旋仿真,对多源气动数据进行了综合处理,构建了大迎角非定常气动力模型,采用大载荷数字电动控制加载技术进行失速尾旋交变力和抖振特性仿真,实现了人在回路的失速尾旋模拟训练。     

飞行模拟器综合航电显控子系统的设计与实现

讨论了基于PC及快速以太网总线的飞行仿真系统中综合航电显控子系统的设计与实现,主要探讨了此系统的系统的设计,软硬件配置,基于IData的显示界面开发流程等问题.显控仿真系统的设计是采用某型飞机飞行仿真系统的总线拓朴结构,与各个子系统交连起来,以达到综合显栽示、信息综合、综合控制、数据共享的目的,可完全替代实装进行模拟训练.     

基于OpenGL的飞行过程再现与仿真

针对某型飞机飞行过程再现与仿真的研究，提出了一种基于OpenGL图形库的方法，该方法采用计算机图形技术和多媒体技术，能够直观，快速地建立飞行过程；并分析了如何运用OpenGL实现建模、仿真及动态驱动。     

某型飞机发动机双操纵模拟系统分析

建立了某型飞机发动机双操纵模拟系统的数学模型，进行了系统分析与仿真。分析和仿真结果表明：对于输入轴载荷模拟，由于模拟试验台的加载原理不同于实际系统，需采用力矩控制和位置控制分段切换的控制方法，同时为了减小切换引起的力矩波动，应对切换进行平滑处理。     

战术任务综合控制系统分布式实时仿真系统设计

研究了战术任务综合控制系统分布式计算机实时仿真系统的总体方案和实现方法，在分析了综合控制系统结构和战术任务过程各阶段特点的基础上，提出了基于计算机局域网的分布式计算机实时仿真系统方案，然后根据实际条件建立了简化的分布式计算机实时仿真系统，并对空一空导弹模态的战术任务过程进行了全面的仿真，结果表明了该系统的有效性，同时验证了所采用的综合控制系统设计方法的有效性。本仿真系统的开发为进一步研究系统综合控制技术和战术任务飞行管理技术提供一个良好基础平台，具有实际的重要意义。     

飞机环控系统建模与换热器参数优化研究

建立了飞机环控系统各主要部件的数学模型和MATLAB仿真模块，在此基础上搭建了某型飞机环控系统的仿真模型，并针对某机型进行了仿真研究。结果表明，模型具有较高的精度。以该系统作为研究对象，以降低系统出口温度为目标函数，从系统角度对换热器流程数和热路流动长度进行了优化。从结果来看，相对于输入参数，换热器的流程数和热路流道长度具有局部最优解，此时压气机、涡轮和换热器之间存在着热量、压力、能量的最优匹配关系。该结论对同类系统的参数确定和优化有一定参考意义。     

基于自适应多小波网络预测模型的飞控系统故障诊断仿真研究

提出了一个基于自适应多小波网络预测模型的飞机机械故障诊断新方法,给出了自适应多小波网络的构造方法和训练算法。以某型飞机作动器为例的计算机仿真结果表明,该方法故障诊断的能力及实时性都得以提高。     

A calculus for services innovation

Innovation in the services area - especially in the electronic services （e-services） domain - can be systematically developed by first considering the strategic drivers and foci, then the tactical principles and enablers, and finally the operational decision attributes, all of which constitute a process or calculus of services innovation. More specifically, there are four customer drivers （i.e., collaboration, customization, integration and adaptation）, three business foci （i.e., creation-focused, solution-focused and competition-focused）, six business principles （i.e., reconstruct market boundaries, focus on the big picture not numbers, reach beyond existing demand, get strategic sequence right, overcome organizational hurdles and build execution into strategy）, eight technical enablers （i.e., software algorithms, automation, telecommunication, collaboration, standardization, customization, organization, and globalization）, and six attributes of decision informatics （i.e., decision-driven, information-based, real-time, continuously-adaptive, customer-centric and computationally-intensive）. It should be noted that the four customer drivers are all directed at empowering the individual - that is, at recognizing that the individual can, respectively, contribute in a collaborative situation, receive customized or personalized attention, access an integrated system or process, and obtain adaptive real-time or just-in-time input. The developed process or calculus serves to identify the potential white spaces or blue oceans for innovation. In addition to expanding on current innovations in services and related experiences, white spaces are identified for possible future innovations; they include those that can mitigate the unforeseen consequences or abuses of earlier innovations, safeguard our rights to privacy, protect us from the always-on, interconnected world, provide us with an authoritative search engine, and generate a GDP metric that can adequately measure the growing knowledge economy,     

网络系统可靠性研究现状与展望

首先探讨了网络系统可靠性的发展历程、概念与特点,进而从度量参数、建模、分析、优化4个方面系统综述了网络系统可靠性的研究现状,最后对网络系统可靠性研究未来的发展进行了展望。     

BENCHMARKING ON-LINE SERVICES INDUSTRIES

1. Introduction Benchmarking delivers a “comparison of a company’s performance in certain areas with that of other firms in its industry and / or with those firms that are identified as world class competition in specific functions and operations” (Davis et al, (2004). It can also cut across traditional lines, providing opportunities for new and innovative ways to increase performance, and be a “search for industry best practices that lead to superior performance” (Camp, 1989; Hinton et …     

HEALTHCARE： A COMPLEX SERVICE SYSTEM

Healthcare is indeed a complex service system, one requiring the technobiology approach of systems engineering to underpin its development as an integrated and adaptive system. In general, healthcare services are carried out with knowledge-intensive agents or components which work together as providers and consumers to create or co-produce value. Indeed, the engineering design of a healthcare system must recognize the fact that it is actually a complex integration of human-centered activities that is increasingly dependent on information technology and knowledge. Like any service system, healthcare can be considered to be a combination or recombination of three essential components — people (characterized by behaviors, values, knowledge, etc.), processes (characterized by collaboration, customization, etc.) and products (characterized by software, hardware, infrastructures, etc.). Thus, a healthcare system is an integrated and adaptive set of people, processes and products. It is, in essence, a system of systems which objectives are to enhance its efficiency (leading to greater interdependency) and effectiveness (leading to improved health). Integration occurs over the physical, temporal, organizational and functional dimensions, while adaptation occurs over the monitoring, feedback, cybernetic and learning dimensions. In sum, such service systems as healthcare are indeed complex, especially due to the uncertainties associated with the human-centered aspects of these systems. Moreover, the system complexities can only be dealt with methods that enhance system integration and adaptation.     

战争决策行为建模与仿真的研究

目前，世界上局部战争和国际危机此起彼伏，因此，运用科学的手段和方法，展开针对可能引发军事冲突或爆发战争的危机的决策行为的研究，具有重大的现实意义。它有助于揭示战争危机的内在规律，使得危机朝着我们期望的方向发展。本文以美国为研究对象，全面阐述了影响个人决策、组织决策和群体决策的非理性行为约束变量，深入研究了美国战争危机的决策机构，分析了其决策过程。以此为基础，采用新的建模与仿真技术-agent技术，探讨了个人决策、组织决策和群体决策的agent技术建模机制，建立了基于Agent技术的战争决策行为模型体系结构，并根据编程实践，ZEUS和MAGE两种agent开发系统正确比较的基础上，给出了在两种开发系统下实现战争决策行为模型的编程构想。它为分析美国战争危机决策提供了理论和方法上的指导，具有很强的实践意义和现实意义。     

有色Petri网在系统分析中的应用

Coloured Petri网(简称CP-nets或CPN)是一种用于设计、详细说明、仿真和检验的面向 图形的语言。它特别适合于那些通讯、同步、资源共享非常重要的系统。例如应用程序间的通讯协 议、分布式系统、嵌入式系统、自动化生产系统、工作流分析和超大规模集成电路芯片。     

Is Hypermobility a Challenge for Transport Ethics and Systemicity?

Modern modes of transport, in the developed world, were designed to achieve higher mobility (or speed) and increased accessibility, all in the name of growth and human progress. However, in the course of providing for this higher mobility, through the rapid expansion of the transport system, we have ended up with a condition of imbalanced mobility, which we refer to as "hypermobility," particularly with reference to the automobile mode. Ironically, this very expansion of the transport network, with the objective of providing higher transport speeds, has resulted in traffic congestion that has drastically reduced mobility and accessibility, thereby lowering business productivity, increasing fuel consumption, increasing pollution, and robbing the public of billions of hours of valuable time. In light of the present unsustainable conditions, we examine and analyze the concepts of mobility through an inquiry of time, space, human freedom, and social justice from an ethical and systemic viewpoint. We conclude that if hypermobility is not dealt with both as an individual and as a collective responsibility, the challenge to transport ethics and its systemicity could be further impaired.     

An Analysis of Reliability and Competitiveness of a Corporation in China

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基于网格的军事模型服务体系结构

军事模型是实现作战模拟的核心基础,它不但具有描述的静态性,而且还具有计算的动态性。采用面向服务的方式建立的军事模型服务可以有效地实现军事模型计算过程和结果的共享。应用网格技术建立的军事模型服务,其结构在逻辑上区分为服务基础设施层、服务接口描述层、服务存储与管理层和服务应用层。通过一个军事模型实例,说明了建立服务的实际方法。     

基于SDG的计算机辅助危险与可操作性分析

对于过程系统，危险与可操作性(Hazard and Operabiljty，简称HAZOP)分析是一套应用最广的评价方法。但是人工评价存在费时、费力、成本高等缺点。本文介绍了一种基于SDG(Signed Directed Graph)的计算机辅助危险与可操作性分析系统，该系统基于SDG定性模型。过程模型利用模型库中的单元模型建立，通用性强，且又能分析各种具体工艺的特定信息。应用实验表明，与人工专家评价相比，该系统具有完备性好、省时、省力、成本低、评价结果系统性和条理性强等众多优点。