EMD分解和支持向量机技术在风电齿轮箱早期齿轮磨损故障诊断中的应用 关键词:早期故障,EMD分解,支持向量机 [gap=409]Keywords:early failure,EMD,support vector machine
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... inf file(information file,信息文件) infancy failure 早期故障 infection 感染(病毒) ...
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LED路灯的早期故障筛选试验探讨_电子行业学术文章_质量学术文章_电子质量E周刊 关键词: LED路灯;早期故障;可靠性 [gap=443]Key words: LED street lamp;early fault;reliability
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... 起始分布 initial distribution 初期故障;早期故障 initial failure 灾害严重率 injury severity rate ...
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The abnormal signal, generated by early fault, is usually weak and covered with strong noise. Therefore a high detection technique is requested.
机械系统早期故障引起的异常信号一般都很微弱,通常被淹没在很强的背景噪声中,对信号检测技术要求高。
参考来源 - 机械系统微弱故障信号检测及特征提取方法研究During operating device, operator hopes that the information on initial fault can be obtained as early as possible.
在设备使用过程中,操作人员希望能够及早地得到设备的早期故障信息。
参考来源 - 齿轮传动系统的故障诊断方法的研究This dissertation focuses on the study of detection method of incipient faults ofasynchronous motor based on wavelet analysis.
本文着重于异步电动机早期故障检测的小波分析方法研究。
参考来源 - 异步电动机早期故障检测的小波分析方法研究In order to extract the leakage current, a parallel-composed morphological filter with multiple structuring elements based on the principle of MM is designed. Also, pattern spectrum is used to analyse the early fault diagnosis of MOA.
3.基于数学形态学基本原理,构造了一种多结构元素并行复合形态滤波器以提取MOA泄漏电流,并提出了基于形态谱的MOA早期故障诊断方法。
参考来源 - 数学形态学在电力系统中的应用研究It focuses on the early failure signal examination, separation and diagnosis in frequency conversion velocity modulation system.
着重于变频调速系统早期故障信号的检测、分离与诊断。
参考来源 - 基于小波神经网络的变频调速系统故障诊断技术研究·2,447,543篇论文数据,部分数据来源于NoteExpress
噪声是影响旋转机械早期故障检测的主要因素。
Noise is the main factor influencing incipient rotor machine failure detection.
该方法灵活、可靠,在转子系统早期故障检测方面的应用是可行的。
The method is flexible, reliable and effective in application of the incipient fault detection in rotor system.
卧式加工中心在早期故障期时,故障率曲线为递减型,间隔时间服从威布尔分布。
The failure curve of the horizontal machine center during the forepart fault is degressive, the internal time is Weibull distribution.
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