A qualitative - relation - based modeling and reasoning method for complex systems is proposed in this paper to avoid the computational complexity , poor robustness , and bad real - time ability of the quantitative model - based methods , which includes the qualitative modeling , reasoning method and the diagnosis mechanism 摘要为克服复杂系统定量建模与诊断过程中存在的计算复杂、实时性和鲁棒性不强等缺陷，提出了基于定性关系模型的建模和诊断推理方法，研究并解决了其中的定性建模技术、定性推理方法及诊断机制等问题，并基于某空间飞行器推进系统进行了建模与诊断推理实例分析。
As the studied object - spacecraft and its propulsion system , the system architecture and key techniques of intelligent autonomous control are analyzed and discussed in this thesis . meantime , it is discussed how to apply the intelligent autonomous control technology into the hybrid systems such as spacecrafts 本论文以空间飞行器及其推进系统为主要研究对象，对智能自治控制技术的系统构成与关键技术进行分析与讨论，探讨和探索其在空间飞行器这类复杂混合系统中应用问题。
It was analyzed about the problems of space vehicle flight control , the development of space vehicles , the design aim and main characteristic of flight control systems of varied space vehicles , the main design requirement of flight control system of reusable space vehicles , the key technology which have to be resolved in flying control law design and flight control system design 摘要分析了空间飞行器飞行控制系统要解决的问题，空间飞行器的发展过程，各类空间飞行器飞行控制系统设计目的和主要特点，可重复使用的发射飞行器飞控系统的主要设计要求，在设计要求的确定，飞行控制律设计和飞行控制系统设计中要解决的关键技术。
This thesis presents the feasibility of nonlinear model predictive control implemented in spacecraft control and the optimality of increasing the control precision and decreasing the fuels expenditure . and the discussions are then focused on the simulation of spacecraft control using function - space model predictive control algorithm as mentioned below : 1 本文的主要研究工作是探讨非线性模型预测控制( nmpc )应用于空间飞行器自适应控制的可行性及对提高控制精度和减少燃料使用方面的优越性，同时利用函数空间模型预测控制算法( f - mpc )对空间飞行器的位置和姿态控制进行仿真，具体内容如下：一
This paper , as a part of the project " complex space - base information network " , its main purpose is to grasp the theory of transfer over ieee 1394 bus , to make pre - research of the possibility and feasibility of the application of ieee 1394 in astronautics and space fields , to accomplish the 1394 - pci adapter and to develop the 1394 demo system on windows platform , which makes smooth transition to develop 1394 technology under realtime operation system vxworks which is used in on - board computers 本文作为天基网预研项目之一，其目的是掌握ieee1394工作原理，对其在空间飞行器电子综合系统中的应用做初步探索和研究，实现1394 - pci转接卡，完成在windows下的ieee1394演示系统，为其在航天星载机的实时操作系统vxworks下的开发平缓过渡。
