推理方法

Prove that this kind of fuzzy inference model is an universal approximator, and proposed one method identifying this fuzzy model from training data set.

提出了带概率因子的模糊推理模型，证明了该种模糊推理系统是一个通用逼近器，并给出了一种从训练数据集中辨识该模糊模型的方法。

At last, the data obtained in the experiments are analyzed using fuzzy mathematics tools, and results prove that the capacitance between discharge and flashover can be calculated by the acoustic signal and fuzzy discursion is very effectual. It indicated that we offered the detecting way not only being able to be used to carry out online detecting on the insulator, but also making correct judgement to the contamination level of insulator.

通过对模糊推理的深入研究以及对高电压线路绝缘子污秽放电特点的细致分析，发现模糊推理的方法对绝缘子污秽试验数据分析和处理十分有效，通过声信号可以定量地判断出此时距离发生污闪的裕度大小，这说明文中提供的声学检测法不仅能够用来对绝缘子进行在线检测，而且还能正确判断绝缘子污秽程度。

Based on the designing task, the paper gives a comparative analysis of current fault diagnosing methods such as reasoning-based, model-based, artificial neuron-based and case-based, The paper presents an intelligent diagnosing system composed of expert system and virtual apparatus where virtual apparatus is used as man-machine conversation interface to collect data and call expert-system and expert-system is the core for diagnosis analysis, elementally projecting the diagnosis system.

根据设计任务的要求，对现有的故障诊断方法：基于推理的方法、基于模型的方法、基于人工神经网络的方法、基于案例的方法等方法进行了对比分析，提出了以虚拟仪器作为人机对话界面及接收采集数据部分，专家系统作为诊断分析部分的核心，虚拟仪器调用专家系统进行分析的智能故障诊断系统，即专家系统加虚拟仪器的诊断系统。

According to the example, this is an efficient approach over FTA, but also it can handle diagnosis reasoning and exculpation reasoning and that FTA cannot.

实例表明，该方法不但比故障树分析更有效，而且能进行故障树分析不能进行的诊断推理和辩解推理。

The system uses the method of facing illation classification to achieve the design of all the process decision illation modules.

系统按正向分级推理的方法实现了工艺决策推理各功能模块的设计。

Still in term of process knowledge structure and designing goal, taking advantage effacing illation, classification, the procedure design of process decision was achieved.

根据系统总体结构和设计目标，按正向分级推理的方法实现了工艺决策推理各功能模块的设计。

This paper presents a N-R method of acquiring multi-level reasoning production rules automatically based on NN, so as to resolve the bottle neckproblem in building a knowledge - based system-knowledge acquisition. This methodadopts a characteristic NN structure model and corresponding learning algorithm, so thatN -R method can fix the number of hidden nodes dynamically and form new conceptswhich are not defined in the sample set in the course of learning. Having been trained, NNis transforme...

本文为解决知识系统构造过程中的瓶颈问题──知识获取，提出了一种基于神经网络NN的自动获取多级推理产生式规则的N－R方法，该方法采用了特有的NN结构模型和相应的学习算法，使得NN在学习过程中动态确定隐层节点数的同时，也产生了样例集中没有定义的新概念，学习后的NN能用本文提出的转换算法转换成推理网络，最终方便地得到产生式规则集

Techniques such as different level knowledge representation methods,multiple inference engines,interrupt inference process,global-blackboard-based distributed problem solving,knowledge-based modeling and data excerpting,and deductive database ma- nagement method,are used in DECISION-E.

在DECISIGN-E 中还采用了下面的一些特殊技术：不同层次的知识表达方法，多推理机，推理中断处理，基于全局黑板的分布式问题求解，基于知识的建模及数据抽象，演绎数据库管理方法。

A method to make Credal network approximation inference is proposed by computing the joint probability distribution and posterior probability of variables through the above operators.Furthermore its arithmetic is developed by SQL statement.Its validity and efficiency can be showed in the application case.

提出利用上述操作计算Credal网络中各结点联合概率分布和后验概率的方法，从而实现了Credal网络的近似推理，并给出了该近似推理的SQL语言实现算法，算例结果表明该方法是有效的。

The inference in Credal network is the computation of tight lower and upper bounds for conditional probabilities.A new algorithm for inference in Credal networks is presented based on the framework of bucket elimination.The burden of computation is alleviated by enumerating some of values and the accurate result is obtained.

Credal网络的推理是计算一定证据下的后验概率最大值和最小值，给出了一种Credal网络推理的新方法，该方法是在桶消元框架下通过枚举计算部分因子函数值，使计算量大大减小，并且可以得到精确的结果。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。