The prototype system applied the idea of o - o , adopted the com technology , windows sockets , direct show package , and multicast of ip messages . also it adopted the cbr ( case based reasoning ) technology to design a manual for the users to find the fault rapidly 原型系统的设计应用了面向对象的思想方法，采用了com 、 windowssocket 、 directshow 、 ip组播等技术，同时采用基于实例的诊断推理方法设计了智能诊断查询手册为现场端提供方便快捷的诊断查询服务。
According to the peculiarities of parachute fault diagnosis , fuzzy relation matrix and production rule representing the knowledge of parachute were proposed for the parachute fault diagnosis expert system . we also put forward an integrated diagnosis reasoning mechanism which combines fuzzy - based reasoning and rule - based reasoning 根据降落伞故障诊断领域知识的特点，提出在降落伞故障诊断专家系统( pfdes )中采用模糊关系矩阵和产生式规则来表示诊断知识，进而提出了基于模糊推理和基于规则推理相结合的集成诊断推理机制。
This paper discussed the academic basis and realization technology of remote fault diagnosis base on internet , it emphasized on system structure design and system software design . a prototype system had been developed on windows platform to demonstrate the function of remote fault diagnosis system . finally , on the basis of the summarization of the research work in this paper , further research and investigation were discussed 研究方向着重于建立基于internet的远程故障诊断系统的总体结构及其各功能模块，在此基础上研究故障诊断方法和诊断推理原理，并在windows平台上开发了远程故障诊断原型系统，最后在总结全文的基础上，对设备远程诊断技术的应用前景作了展望，对有待进一步深入研究的问题提出了建议。
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。
Then , it represents the method of building the equipment fault hierarchical model correlative with function hierarchical model , and gives the base search rule of the diagnosis reasoning process , it is available for enhance the efficiency of the fault diagnosis of complicated eq1lipnieilt 最后，结合工程实践，对于装备层次诊断模型的建立，提出了将装备功能结构层次模型与故障层次模型进行相关建立的方法，并给出了诊断推理过程的基本搜索策略，对于提高复杂装备的故障诊断效率具有一定的工程应用价值。
The dissertation was written with the subject of radar incorporate test system technology in production , debugging and maintenance about research and realization on instrument driver of the high speed digital test module and fault diagnostic reasoning , and the task i have accomplished in the subject 本文是结合课题“某型雷达生产调试/维护保障一体化测试系统技术”中关于高速数字测试模块仪器驱动器和故障诊断推理软件的研究与实现,并根据自己在该课题中所承担的任务撰写完成。
In this thesis the theory and method of intelligent fault diagnosis for a large turbo - pump fed liquid - propellant rocket engine ( lre ) is innovatively proposed and developed , based on the hybrid reasoning strategy and the hybrid knowledge models including mathematical model , logic model , graphic model and qualitative model . the theory and method are constructed in the way of intelligent modeling technique and creative application of knowledge engineering , and focus on the difficult problems and critical techniques such as the unified treatment of lre knowledge ( experience , facts , rules , graph , system structure , behavior , model knowledge and measured data ) , the integration and translation of qualitative and quantitative knowledge , and the knowledge - based intelligent fault diagnosis reasoning methods . firstly , besides the correlation of different knowledge , the concept and the types of lre diagnosis knowledge are systematically described 本文以某大型泵压式液体火箭发动机为研究对象，以智能建模技术和知识工程的创造性应用为主要技术手段，围绕着发动机知识(经验、事实、规则、图形、结构、行为、模型知识与测量数据信息等)的统一处理技术、定性定量知识的集成与转化和基于知识的智能故障诊断推理等关键技术和难点，创新地研究发展了发动机基于混合知识模型(数学模型、逻辑模型、图形模型及定性模型)和混合推理策略的智能故障诊断理论和方法。
