Fault Diagnosis for Rotor of Variable Frequency Motor Based on Advanced MCSA 基于改进的MCSA法的变频电机转子故障诊断
A fault diagnosis method for variable frequency motor is presented, which is based on advanced MCSA and fuzzy inference. 提出一种基于改进的定子电流信号分析(MCSA)和模糊推理的变频电机转子故障诊断方法。
The main factors causing the failure of power communication system can be determined by qualitative analysis in which the minimal cut set analysis ( MCSA) is used. 结合电力通信系统的特点,建立了电力通信系统的有效性模型,采用最小割集分析法进行了定性分析,以确定影响电力通信系统失效的主要因素。
This paper presents a review of various faults detection methods, theory and put emphasis on the so-called MCSA method ( Motor Current Signature Analysis). 分析了异步电机各种常见故障的原因及常用的诊断方法,重点研究了定子电流频谱分析法(MCSA)的诊断原理。
A VLSI architecture is described based on MCSA ( Modular Carried Saved Adder) for multiplication modulo a Fermat Prime. 在分析费马数模乘特点的基础上,提出了一种新型的适于VLSI实现的,基于保留进位模加器(MCSA)的费马数模乘结构。
Fault diagnosis for rotor of induction machine based on MCSA and SVM 基于MCSA和SVM的异步电机转子故障诊断
A fault diagnosis method for induction machine is presented, which is based on motor current signal analysis ( MCSA) and support vector machine ( SVM). This method correlates the motor current spectrum characteristic and the fault mode using SVM. 本文提出一种基于电机电流信号频谱分析和支持向量机的异步电机转子故障诊断方法,该方法可以利用支持向量机对电机电流频谱信号的特征信息和故障模式进行关联。
After septoplasty, increased MCSA with decreased NIAR indicated that MCSA might reflect the state of nasal ventilation function properly, while the nasal cavity volume seemed not to be a sensitive parameter for evaluating nasal venti-lation function. 术后MCSA增加伴NAR降低,提示MCSA能较好地反映鼻腔通气功能,但鼻腔容积并不是评价鼻腔通气功能的敏感指标。
The results showed that the minimal cross-sectional area ( MCSA) was located in the anterior part of the nasal cavity corresponding to the area causing main nasal airway resistance ( NAR). 结果显示鼻腔最狭窄面积(MCSA)位于鼻腔前部,与鼻气道阻力(VAR)主要产生部位相吻合;