The paper analyzes the problem of selecting test nodes in analog circuit diagnosis using fault dictionary.
针对模拟电路故障字典法诊断中测试节点选择问题进行了分析研究。
Some key techniques of designing and operating a DC fault dictionary automatic generation system was introduced.
介绍了直流故障字典自动生成系统的设计及其使用的关键技术。
The paper analyzes the problem of selecting test nodes in antiaircraft gun servo system diagnosis using fault dictionary.
本文对高炮随动系统故障字典法诊断中测试节点选择问题进行了分析研究。
A fault dictionary diagnosis method was then developed using the linear relativity among the increments of node-voltages.
为了诊断非线性模拟电路中的故障,提出了一种基于节点电压增量线性相关性原理的诊断方法。
By screening each branch of a circuit, it establishes a fault dictionary which can be used to diagnose soft and hard fault.
该方法依据支路屏蔽的思想,通过逐一屏蔽电路的各支路,建立起能诊断软、硬两类故障的故障字典。
The obtained novel fault dictionary can diagnose fault fast owing to the high parallel information processing capabilities of the BP networks.
BP网络高度并行的信息处理能力决定了这种新型故障字典的诊断速度非常快。
The results show that the approach is effective compare with the basic fault dictionary approach, the diagnosis effect can be enhanced greatly.
与基本的故障字典法相比,在很大程度上提高了诊断效率。
A fuzzy soft fault dictionary method able of locating not only hard faults but also soft faults in analog circuits with tolerance was proposed.
不仅硬故障,但也容差模拟电路的软故障定位的模糊软故障字典法能够提出。
According to the characteristic of circuits which exist tolerance, this paper improves the fault dictionary approach and presents a new method-overlap set approach.
本文根据存在容差时电路的特点,对现有的故障字典法作了改进。
This paper introduced the fault dictionary technology that used widely in the digital test field. And its benefit, drawback and quality judge standard were discussed.
本文介绍了数字测试领域广泛使用的故障字典技术,并初步探讨了其优缺点和质量评判标准。
In this paper, a fault diagnosis algorithm in Switched Capacitor Networks (SCNs) -fault dictionary algorithm is presented based on the principle of charge conservation.
本文给出了一种开关电容网络(SCN)的故障字典诊断算法。
The practice shows that the new methods have decreased the total number of test nodes, and enhanced the real -time capability and accuracy of the fault dictionary method.
实际应用表明,该方法大大了减少测试节点数,提高了诊断的正确性和实时性。
Finally, an example for the fault diagnosis of analog circuits using fault dictionary was shown and the simulation results indicated the validity of the proposed algorithm.
仿真实例表明:立足于模拟电路故障诊断字典法,该算法对模拟电路故障诊断非常有效。
The approach of fault dictionary often needs to simulate all fault states and extracts corresponding character of circuit , then setup the dictionary by corresponding relation.
故障字典法通常需要在测前仿真各种故障状态,提取出与故障状态相对应的电路特征,再将两者一一对应关系列成一个表,即为字典。
The principles and automatic establishment method of the new fault dictionary are discussed in detail. The diagnosis example in this paper verified that the method is effective.
详细阐述了该字典的自动建立方法和原理,并通过诊断例子,证明了该方法的有效性。
Based on the slope fault model, this paper presents a fault dictionary method for soft fault diagnosis of modular analog circuit based on closed-loop operational amplifier (CLOA).
基于斜率故障模型,提出了一种诊断模拟电路中基于闭环集成运算放大器的模块级软故障的字典法。
At last According to the fault diagnosis requirement of ATS, the data format and structure of fault dictionary database are proposed, and the fault reasoning procedure is introduced.
最后根据自动测试系统的故障诊断需求,提出了故障字典数据库的结构和数据格式,并简要介绍了故障推理的实现过程。
The fault dictionary can be obtained easier by this method, and the test junctions can be greatly reduced, thus this diagnosis method can be applied in many power electronic circuits.
此方法容易得到故障字典,大大减少了测试点,因而可以应用于多种电力电子电路。
After that the approach of automatically generating the fault dictionary is discussed, and a general diagnosis program for analogue circuits has been written to implement these techniques.
在此基础上,讨论了字典法的自动实现方法,编制了通用模拟电路直流故障诊断软件。
Differing from the traditional fault dictionary algorithm of analog circuits, this algorithm can diagnose soft faults. It requires less computation and may be easily extended to multiphase SCNs.
与传统的模拟电路的故障字典法不同,本算法可诊断软故障,计算量小,而且很容易推广到多时相scn。
Shakespeare didn't come up with most of the famous phrases in his plays but was credited with them because of a fault with the Oxford English dictionary, a leading scholar claims.
一位著名的学者称,莎士比亚在他的作品中并没有发明那些著名的短语,但是由于牛津词典的错误,很多人相信这些短语是莎士比亚发明的。
An LZSS dictionary model based compression algorithm for fault information files and its flow chart is presented.
介绍了一种基于LZSS字典模型的故障信息文件压缩算法及程序流程。
Based on the slope fault mode and the coefficient of linear relativity fault mode, a test nodes selection algorithm for soft fault diagnosis dictionary method of analog circuits was proposed.
基于斜率故障模型和线性相关系数故障模型,提出了一种模拟电路软故障诊断字典法中的测试节点优选算法。
A new fault screen dictionary method enable to diagnose not only hard faults but also soft faults in tolerance circuits is proposed in this paper.
提出了一种新的可以诊断容差模拟电路软硬两类故障的故障屏蔽字典法。
A new fault screen dictionary method enable to diagnose not only hard faults but also soft faults in tolerance circuits is proposed in this paper.
提出了一种新的可以诊断容差模拟电路软硬两类故障的故障屏蔽字典法。
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