motor fault 中文意思是什麼
motor fault
解釋
電動機故障發動機故障-
Refer to the damage problem to the motor of c41 - 400 air hammer caused by driving system fault, an acknowledged improvement that is adding a v - belt driving into the system has been promoted with failure situations occasionally because of irrational supporting structures
摘要針對c41 - 400型空氣錘由於傳動系統故障而導致電動機損壞的問題，通常的改進方案是增加一級v帶傳動，但由於對改造中的支承設計不合理而失敗的情況也時有發生。 -
In the first part of the paper, the development of motor control system fault diagnosis theory is summarized. on the basis of the analysis of the characteristics of wavelet, the theory is discussed and the definition of the singularity is given. because of the localization property of wavelet transform, wavelet analysis can be used to detect the characteristics of the singularity from the signal and intermittence fault problems lying in the motor under test
著重介紹了小波分析在電機控制系統故障診斷中的應用，根據小波理論在時域和頻域良好的局部化性質，討論了利用小波變換來檢測信號的奇異特徵的原理，給出了小波變換對信號奇異性特徵檢測的方法，針對實際應用，對小波基函數選取及小波分解尺度進行了探討。 -
Digital signal processor ( dsp ) combined with repm bldcm, which build up a dc adjustable speed system, achieve to control multiple motor speed, positive and negative rotate, protect and fault exemine by a true single chip. design and present a electromagnetism scheme of repm bldcm used in electromotion chair drive system. select electronical components and chips in the drive board by contrast with variant drive mode. design the drive board principle picture, make a drive board pcb and debug it. design a principle picture with dsp core. workout the motor control code introduced popular programme modle. test the programme reliability and control performance by linking tms320lf2407 evm, pc, drive borad and the bldcm. the bldcm swatch is prepare experiment
本論文闡述了方波驅動稀土永磁無刷直流電動機的原理及數學模型；設計並給出了一種電動座椅用稀土永磁無刷直流電動機的電磁設計方案；對電機採用何種驅動方式進行了對比分析；對驅動電路進行了元器件選型、原理圖設計、制板及調試；有針對性的闡述了dsp在本系統應用中所涉及到的功能模塊；設計了以dsp為核心的控制電路原理圖；以模塊化的軟體編程思想編制了電機控制軟體；通過tms320lf2407目標板、上位機、驅動板及電機的聯調，證明了系統可行。 -
Design of fault diagnosis system for asynchronous motor based on aduc
812異步電機故障檢測系統設計 -
The protection system can deal with the following motor faults : heavy over - current, over / under - voltage, over - current, current unbalance protection, repeated startings, earth fault and so on
在此基礎上實現了針對過載、堵轉、短路、斷相、逆相、相不平衡等故障的保護。 -
Many protective and monitoring functions are integrated in the system, such as earth - fault monitoring, short circuit protection, over - load protection, phase symm etry and phase loss monitoring, over voltage protection, under voltage protection, motor thermal monitoring and so on
該系統能自動轉換控制方式，具有漏電、短路、過載、斷相、欠壓、過壓等保護功能，並且能通過漢字顯示終端顯示各路負荷的工作狀態和工作參數。 -
Application of wavelet packet in motor fault diagnosis
小波包在電機故障診斷中的應用 -
This will greatly reduce the loss that caused by the electromotor fault. it is the motive of the develop the facility fault diagnosis instrument of asynchronous motor
因而，對電機的故障診斷與監測就顯得十分必要，尤其是現代化生產中使用的大型電機，如果出現故障不及時排除，將會造成難以挽回的損失。 -
It mainly includes following aspects : in this paper, firstly implication of wavelet analysis in signal harmonic component extraction is presented in detail, and on this foundation signal given frequency band component extraction method is proposed. then we investigate frequency aliasing phenomenon, reason why frequency aliasing phenomenon is easy happened when wavelet is implied in field of motor fault diagnosis, and frequency bands where frequency aliasing phenomenon is easer happened, and put forward approved morlet wavelet analysis method which can effectively alleviates frequency aliasing phenomenon. third we set up vibration signal detected system, design experiments to obtain three groups of fault signals : eccentricity fault, mixed fault of eccentricity plus mild rub, mixed fault of eccentricity plus moderate rub, and process these data using analysis method proposed in this paper
首先對論文的選題以及相關背景進行了探討，並對相關的小波基礎理論進行了闡述，主要針對感應電動機的偏心故障和偏心+碰摩復合故障形式及相關的應用演算法進行了詳細探討，主要工作內容包括下面幾個方面:在論文中，首先對小波分析在信號的諧波分量提取中的應用進行了研究，在此基礎上，提出了信號的特定頻帶成分的提取方法;研究了小波分析的頻域混疊現象，探討了小波分析應用於電機故障診斷領域時易發生頻域混疊現象的原因，以及混疊現象較易發生的頻帶，提出了可以有效減輕頻域混疊現象的改進的morlet小波分析方法;搭建了振動信號檢測系統，設計實驗採集得到三組故障數據:偏心故障，偏心+輕微碰摩復合故障，偏心+中度碰摩復合故障，並對這些數據應用本文提出的分析方法進行信號處理，提取出的特徵參數可有效區分這兩種故障形式;研究了基於matlab和labview的混合編程方法，完成了電機故障檢測系統的軟體開發。 -
Using framework inference and researching strategy of prior part, 1 build inference engine of expert system of motor fault diagnosis. utilizing feature analogy learning method, complete mechanism of instance learning of expert system. while the system records process of diagnosis and route of researching, realize explaining control strategy by report
利用框架推理，以局部符合的深度優先搜索構建電機故障診斷專家系統的推理機，利用屬性類比學習法實現專家系統事例學習機制。採用記錄診斷過程，和搜索路線通過報表實現解釋機制。 -
And the motor fault diagnosis system, it is established with different diagnosis methods. and the different tree - like knowledge bases are built with it. and the expert system is established, too
電動機故障診斷子系統則根據電動機的診斷方法類型構築不同的樹狀層次知識庫，建立專家系統，利用現象推理進行故障的智能診斷，從而得到電動機故障的類型、原因與決策等。 -
This article is to search the development and application of d. c. motor fault diagnosis technology, based on the on - line monitor and fault diagnosis on d. c. motors in sendzimir mill of silicon rolling mill in wuhan iron & steel corporation
本論文主要圍繞武鋼硅鋼廠森吉米爾軋機生產線直流電機在線監測與故障診斷工作展開，探索直流電機故障診斷技術的發展和應用。 -
Fault feature in stator current is extracted by singularity detection of signals with half - complex wavelet transform and it can be helpful to the real - time detection of motor fault. harmonics caused by the fault of motor is detected accurately with real - time harmonics cancellation method. steady state current and starting current in stator are analyzed with real - time harmonics cancellation method and the improved harmonic wavelet separately, after that the feature component of rotor fault can be detected successfully
採用半復小波變換對電機定子電流進行奇異性檢測，提取故障突變信號，有助於電機故障的實時診斷；通過實時諧波消去法檢測定子故障引起的高次諧波電流；採用改進的實時諧波消去法精確提取電機穩態電流中的轉子斷條故障特徵分量；為了進一步提高轉子斷條故障診斷精度，利用改進的諧波小波對電機起動電流進行時頻分析，提取轉子斷條故障特徵。 -
Dealing with the motor fault of a guide vane valve during the operation of an oxygen plant
在制氧機開車狀態下處理導葉閥電機故障 -
This article based on demand of production specially of that operator of production can master a little knowledge just to use it, research theory of artificial intelligence, motor fault mechanism and fault forms jooking for junction between artificial and motor fault diagnosis. further research expert system of motor fault diagnosis based on framewprk theory, seeking after motor fuzzy diagnosis and so on
本文從生產實踐要求出發，針對生產操作者能夠不用掌握太多的專業知識也能操作，研究人工智慧的基本理論和電機故障機理和故障形式，尋找兩者的結合點。在此基礎上，重點研究基於框架理論的專家系統在電機故障診斷中應用，及探索電機模糊診斷等，在人工智慧在故障診斷作了一些探索，主要完成以下工作： 1 -
Research motor fault mechanism, going to factory collect information of motors and motor faults, gather signals of fault motor. from framework this article aspect take understanding, analyzing and describing motor fault form, moreover using framework form to figure various fault information, build clear structure of repository
研究電機故障機理，到工廠搜集電機及其電機故障信息，採集故障電機信號，從框架角度理解，分析和表示故障形式，並用框架表示法表示各種故障信息，構建層次結構清晰知識庫。 -
In this thesis, the rotating machine fault diagnosis system and the motor fault diagnosis system of the intelligent diagnosis system of mechanical equipment fault are validated by cases
本文通過實例運行對智能診斷系統中的旋轉類故障診斷和電動機故障診斷兩個子系統模塊進行了驗證。 -
The intelligent diagnosis system of mechanical equipment fault has four subsystems including rotating machine fault diagnosis system, motor fault diagnosis system, bearing fault diagnosis system and reciprocating machine fault diagnosis system
機械設備故障智能診斷系統包括：旋轉類轉子故障診斷系統、電動機故障診斷系統、軸承故障診斷系統和往復機械故障診斷系統四個子系統模塊。 -
They have been most important power and motivity of our production and life. if there is a fault motor at product line, then make whole product line stop, so putting artificial intelligence to use on motor fault diagnosis become a trend
現代工業生產及產業部門以至我們的日常生活，幾乎離不開各種各樣的電機，它們已是當今生產活動和日常生活中最主要的原動力和驅動裝置，一臺生產線上主要電動機的故障，必將造成生產線的停工。 -
Motor fault diagnosis technology is a part of that of the equipment fault diagnosis. large - sized d. c. motors are the key equipment in metallurgical enterprise, which have complicated structure and operating condition with faults in multiple source, non - linearity and in connection with wide range of knowledge. therefore, on - line faults diagnosis on d. c. motors is the important point which engineers and scientists pay great concerns on
電機故障診斷是設備故障診斷技術的一個分支，直流大電機是冶金企業的關鍵設備，結構復雜、工況復雜，故障呈多源性，非線性，涉及知識領域較廣，因此，直流電機故障在線診斷工作一直是現場工程技術人員和科技人員關注的重點。
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