The paper anaiyzes the key elements which affect the ability of rescarch and innovation of different kinds of engines . the author raises the conception of carrier rocket engine working process research system : builds the structure model of carrier rocket engine working process research system by using the theory of operationai research and systems engineering : analyzes this structure model by the analytical hierarchy process : calculates the system element important degree and integrate important degree . the research result has some reference values to the rocket engine research institute building and strategy development 论文分析了影响不同类型火箭发动机研究、创新能力的各种因素，提出了运载火箭发动机工作过程研究体系的概念；综合应用系统工程、运筹学理论，建立了运载火箭发动机工作过程研究体系结构模型；对工作过程研究体系结构模型进行了层次分析，确定了体系的层次结构；分析了体系中各个要素的相对重要程度及综合重要程度。
In the pdm system based on component , much attentions have been attached in segregation of functional model from the procedure of requirements analysis . the components , which are designed on the basis of these functional models , can be divided into four types : elemental component , common component , component for special utility and component for management and supervisors . the components for special utility , which are fabricated from common components , are the core of our product data management ( pdm ) system 研究了一般意义上的pdm体系结构，提出了一种与此对应的基于构件的产品数据管理系统体系结构模型，规划并且详细地阐述了其中各个层次与一般意义上的pdm体系结构在功能和结构上的异同；同时基于构件的思想，设计了新的产品数据管理( pdm )系统体系结构模型的第二层? ?构件层? ?的四个分层次(即元构件、通用构件、特定业务构件和宏观支持级构件) 。
Several key reuse - based techniques , as well as the design and implementation of the system , in the development of component information classification and coding system ( ciccs ) , are studied in this paper , such as component coding structure model , developing pattern based on component / framework , design of the classification method , half - layered software architecture model , component variation point and its implement mechanism 从软构件的编码结构模型、基于构件构架的开发模式、软构件的分类方法设计、半层次化的软件体系结构模型以及构件的变点及其实现机制等方面，研究了软构件信息分类编码系统开发中基于软件复用的设计和实现方法。
Taking the dispersed manufacture enterprise as the background , an integratable manufacturing executive system functional model for the agile manufacturing environment is proposed , which provides grounds for designing and realizing the control architecture of the i - mes that is based on the multi - agent technology . on top of the analysis of the characteristics of the existing control architectures in the manufacturing enterprises , a hybrid hierarchical distributed control architecture that is based on ihc multi - agent technology is provided . meanwhile the general structure for manufacturing agent and the flow chart of the agent are described 本文以离散制造企业为应用背景，提出了一种面向敏捷制造的可集成制造执行系统功能模型，为设计和实现基于多agent的可集成制造执行系统控制结构提供了依据；在分析了制造企业现有控制结构特点的基础上，提出了一种基于多agent的混合递阶分布控制结构模型，并给出了一种通用的制造agent结构模型，以及agent的工作流程；提出了一种基于windowsdna的可集成制造执行系统三层体系结构模型，研究了可集成制造执行系统与erp系统与底层设备控制系统的集成机制，并实现了原型系统。
Firstly , considering that the window - cleaning robot is a multi - driven and that the structure should be universal to most mobile robot , the paper puts forward a completely distributed intelligence controlling system - - ? ell structure , distributed intelligence ? it constructs a model of the intelligent cell based on decision - action , then builds spn ? model of multi - cell and analyses the net model by using mc 第一，针对灵巧擦窗机器人多驱动移动载体，同时考虑了对移动类机器人的广泛适应性，提出了一种“单元结构、分布智能”概念的完全分布智能式机器人控制系统体系结构模型，这种结构的单元模型为智能体，简称单元智能体。
Based on the above three - view framework , the thesis proposes a generic security architecture model for distributed information systems . this model is comprised of three parts as follows : the security service view model quality of security service ( qoss ) refers to the ability of a security system to satisfy the security service requirements of users . based on qoss , a security service view model is presented here , which includes variant security , strength of mechanism level ( sml ) , adaptive security policy and so on 在三视图框架的基础上，本文进一步提出了一个通用的分布式信息系统安全体系结构模型，该模型主要分为以下三个部分：安全服务视图模型本文提出了一个基于安全服务质量( qoss )的安全服务视图模型，它包括可变安全、安全机制的强度级别( sml )和自适应的安全策略等方面的内容。
To the issues that ipsec ca n ' t work with nat and multicast very smoothly and ipsec could n ' t also solve qos problem , combined with the national high - tech project of 863 , the author has put forward the following viewpoints in the research of the security architecture model of ip layer : as to ipsec ' s working with nat , the author has proposed a scheme of using udp encapsulation along with configuring ipsec tunnel by dhcp and substituting ah with esp null encapsulation ; as to ipsec ' s working with the multicast , the author has proposed that combined with key management using complete binary tree , ipsec security process using espv3 and ahv2 can cooperate with multicast smoothly in multicast environments ; as to solving qos , the author has proposed a scheme of using two - level classifying and two - level scheduling with encryption scheduler and forwarding scheduler . the author has pointed out that combining ipsec with pki can make ipsec more flexible and more practical . based on the previous researches , the author has made an analysis of security risks of ip layer 在ip层安全体系结构模型研究中，针对ipsec在与组播、 nat协同工作等方面存在的问题以及ipsec不能很好解决qos等方面的问题，作者结合国家863高技术项目的研究提出了解决方案：在nat协同工作方面作者提出了采用udp封装、配合使用dhcp配置ipsec隧道并用espnull封装代替ah的方案；在与组播协同工作方面作者提出了基于espv3和ahv2的ipsec组播安全处理以及基于完全二又树的组播密钥管理的方案；在解决qos问题方面作者提出了采用分类器1和分类器2的两级分类以及具有加密调度器和转发调度器的两级调度的技术方案；同时作者提出了ipsec与pki技术紧密结合，能使ipsec安全通信更加灵活和方便实用。
During graduated study , the author participated in many development projects , in which " fully automatic biochemical analytic instrument " and " analog control equipment under extreme temperature and extreme pressure project " were both built on the virtual instrument architecture established by the author . instructions for these two projects were in chapter vi and vii , such as analyzing the key technique and difficulty in the development and solutions to the problems 其中全自动生化分析仪与高温高压极端环境模拟平台项目都是以自主构建的虚拟仪器体系结构模型为核心，制定项目开发方案的，第六章与第七章将分别介绍这两个开发实例，分析项目开发关键技术、难点，提出解决方案并介绍实现方法。
Referring to osi security architecture , the author has given the security architecture of tcp / ip and has put forward the proposal of what security services and what security mechanisms should be employed in ip layer . after that , the author has put forward the security architecture model of ip layer . using this model , the author has given an answer to what security processings should be applied in ip layer , which is of great importance to the security practice of ip layer 在前述研究的基础上，作者对ip层的安全风险进行了分析，结合osi安全体系结构模型提出了tcp ip安全体系结构，给出了作者对在ip层可以实施的安全服务及安全机制的建议，提出了ip层安全体系结构模型，利用该模型作者回答了哪些安全处理应该在ip层实施这一具有重要现实意义的问题。
It becomes more difficult to manage , integrate and share the control system real - time data when we set up the industrial real - time database because of complicated affair between every department and isomeric character of the system . a three - level - structure model and the method to establish database is provided based on corba criterion with its character of being regardless of programming languages , hardware platform and network protocol . a universal real - time database faces multi - system is also set up by learning the distributed criterion , it can realize the request broker , and the application software can visit the database pellucidly ; thus the power station simulation model can be linked with the control system such as infi90 , ovation and be made use of the control object , a closed simulation and control experiment system is set up 在创建工控领域实时数据库时，企业各部门间的复杂事务及内部异构性给实时数据的管理、集成和共享带来了一定的困难，根据corba规范具有语言无关性、平台无关性和网络协议无关性的特点提出基于分布式计算规范corba的三层体系结构模型及建立与维护实时数据库的方法和途径；通过corba规范建立面向多个分散控制系统的通用实时数据库，实现数据访问代理，使应用软件可以透明地对实时数据库进行访问、存取、管理；将infi90 、 ovation分散控制系统与火电厂仿真机模型进行有效的互连，以全物理过程仿真数学模型为对象，构建了闭环控制仿真实验研究系统，实现数据的高效连通及管理；进而通过基于corba的实时数据库构建一个从火电厂仿真机对象到过程控制设备再到sis系统的综合自动化试验平台。
