故障數據 的英文怎麼說

中文拼音 [gùzhàngshǔjù]
故障數據 英文
failure data
  • 故 : Ⅰ名詞1 （事故） event; incident; happening; accident 2 （原因） cause; reason 3 （朋友; 友情） fr...
  • 障 : Ⅰ動詞（阻隔; 遮擋） block; hinder; obstruct Ⅱ名詞（遮擋物） barrier; block; obstacle
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 據 : 據Ⅰ動詞1 （占據） occupy; seize 2 （憑借; 依靠） rely on; depend on Ⅱ介詞（按照; 依據） according...
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  • 數據 : data; record; information
  1. They include the framework of product long - distance maintenance guiding system, fault diagnose, automatically making of maintenance technics, the query of information and the visual leading. according to b / s model, the author puts forward system structure of product maintenance guiding system based on network. the dissertation introduces the main technologies for the realization of maintenance guiding system, the data structure of product fault and order of disassembly and assembly, and the way to get the preliminary data

    本論文對產品維修向導系統的幾個部分：包括產品維修向導系統的體系結構、故障診斷、維修工藝的自動生成、資源信息查詢和可視化引導的有關技術進行研究；根據web技術b / s模式結構和產品維修過程提出基於網路的產品維修向導系統的體系結構；介紹了維修向導系統的具體實現中的一些主要技術和產品故障數據結構、拆裝順序數據結構的設計以及這些數據表的原始數據獲得方法；對產品故障診斷採用的決策樹方法作了介紹；重點對產品故障診斷和產品各零部件的拆裝順序關系以及資源信息的查詢進行了實現；針對轎車卡板式門鎖，開發了產品維修向導系統的實例。
  2. Abstract : in the validation testing of software, the analysis of failure data can help to understand the failure distribution in the software. based on the analysis result, the corrective actions and proper approcahes can be taken to improve the detected efect rate of software tesing

    摘要：在軟體的確認測試中，如果能夠對故障數據進行相關的分析，就可以實時地了解被測軟體的故障分佈情況，並採取相應的措施和方法，從而提高軟體測試的缺陷發現率。
  3. Energy spectrum ananlysis using wavelet technique is studied and applied to deal with feature exstraction of missile fault signals, from which a feasible feature vector is created, to be used by the fdes based on inn. parameters for diagnosis are also selected based on two different criteria : the cluster divergence of sample datas and the diagnosis reliability of parameter candidates

    研究了小波能量譜分析技術在地空導彈故障數據特徵提取方面的應用；提出了基於樣本綜合離散度和參數診斷置信度兩種診斷參數選擇的方法，從而為基於集成神經網路的故障診斷做好了準備。
  4. The establishment of gear fault data warehouse the paper studies several gear cases in drive lab of wuhan university of science and technology. the signal of normal gear pair, the one has been worn seriously, the one which has circular pitch error and the one whose pinion has a ruptured tooth is acquired independently. after fft transformation, the amplitude values of 0 - 0. 4 multiple engage frequency, 0. 4 - 0. 5 multiple engage frequency, 0. 5 - 1 multiple engage frequency, 1 multiple engage frequency, 2 multiple engage frequency, 3 multiple engage frequency, 4 multiple engage frequency and greater then 4 multiple engage frequency of every signal are obtained respectively

    論文主要完成下列內容: 1 .齒輪故障數據倉庫的建立以武漢科技大學傳動實驗室的若干臺齒輪箱為研究對象，分別採集正常齒輪副、磨損嚴重的齒輪副、有周節誤差的齒輪副和小齒輪有一個斷齒的齒輪副的振動加速度信號，經過fft變換，分別得到每個信號的0 ~ 0 . 4倍嚙合頻率、 0 . 4 ~ 0 . 5倍嚙合頻率、 0 . 5 ~ 1倍嚙合頻率、 1倍嚙合頻率、 2倍嚙合頻率、 3倍嚙合頻率、 4倍嚙合頻率和大於4倍嚙合頻率幅值。
  5. 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。
  6. The wavelet packet analysis applied in fault diagnosis system is studied in this thesis. using simulation fault data, uncalm and time difference vibration signal of sodium pump are decomposed on different levels and frequencies. to picked - up the eigenvectors reflecting different fault of sodium pump with availability, simulation results have shown its satisfaction in the identification

    對小波包分析應用於故障診斷進行了研究，利用模擬出來的故障數據，將快堆鈉泵非平穩時變振動信號分解到不同層次和不同頻帶上，有效地提取出反映鈉泵不同故障（狀態）的特徵向量，在識別中得到了滿意的結果。
  7. Portable fault data acquisition system of rotating machines

    便攜式旋轉機械故障數據採集系統
  8. Test results show that the modified embedded zerotree coding method is effective for power system malfunction data compression, and that the embedded property is very helpful for improving fault record performance

    模擬實驗表明，改進后的嵌入式零樹編碼方法對電力系統故障數據壓縮十分有效，並且其嵌入式的特性提高了故障錄波器的性能。
  9. Based on the malfunction datum of 328 power transformers ( 110kv or above ), the paper makes the following studies by both the analysis of the datum and lots of tentative tests and presents the corresponding research results : the research on the malfunction mode classification of power transformers by the failure tree analysis method ( fta ) ; the research on the status prediction criterion of running power transformer ; the research on detective methods and criterions of the disability of the power transformer ; the research on evaluation the life of the power transformer ; the research on the relationship between the status estimate system and status examination & repair of the power transformer

    本論文以電力系統328臺110kv及以上電壓等級的電力變壓器事故和故障統計資料為基礎，通過對110kv及以上電壓等級電力變壓器故障數據的整理分析和大量探索性試驗，對以下方面開展研究並給出研究結果： 1採用fta （故障樹分析法）對電力變壓器的故障模式進行科學分類2電力變壓器運行中的狀態預測判據研究3
  10. The applications in fault signal classification and data compression of power system are studied and simulated. through the introduction of multiwavelet network, other two kinds of multiwavelet networks are proposed. the theorems for function approximation abilities of some wavelet networks and multiwavelet networks are proposed and proved

    從理論上分析了小波變換和神經網路的函數逼近能力以及它們之間的內在聯系，並且利用不同的激勵函數構造相應的小波函數；對小波網路在電力系統故障信號分類和故障數據壓縮方面的應用進行了研究和數字模擬；提出了另外兩種不同的多小波網路，對一些小波網路和多小波網路的函數逼近能力，提出了相應的定理並進行了證明。
  11. With the analysis of both turbopump test data and laboratory rotor system vibration signals, the results show that nd technology is able to detect vibration faults successfully

    對渦輪泵試車數據及實驗室轉子平臺數據的檢測結果表明，新異類檢測技術對于在缺乏故障數據情況下開展的故障檢測工作是有效的。
  12. Presents starting link and system organization of fan ’ s inspects status and fault diagnosis. the system collects data through data acquisition system, inspects fan ’ s status with monitoring soft, establishes routine and fault data bases, and calls routine analysis daughter system, and in the end diagnoses the fault, observates equipment ’ s operating mode ; finds fault type and cause. with the assistance of the diagnosis system, the economy and safety of factory is greatly improved

    通過數據採集系統對信號進行採集與處理，利用監測軟體實現風機狀態監測，建立常規數據庫和故障數據庫以及調用常規分析子系統進行故障診斷等手段，觀察設備運行狀態，找到故障的類型和原因，作為決策的依據，從而提高了設備的經濟性和安全性。
  13. Moreover, the paper compiles a decision tree - making program by camm algorithm in matlab in order to compare with the clustering. regard the history fault data of gear case as specimen, at first the information gain of every decision property is calculated at current decision point and the decision property which has the greatest information gain is selected as the decision point. then the assembly is subdivided according to the value of its decision property. delete the groups whose degree of support for sort property classification is less then the designated value

    以齒輪箱歷史故障數據為樣本，首先從當前決策節點計算每個決策屬性的信息增益，選擇具有最大信息增益的決策屬性作為決策節點，並根據該決策屬性的取值將該決策屬性所在集合分成若干個子集，濾掉所有子集中對類別標識屬性的分類支持度小於指定的最小支持度的元組，重復該過程直至生成決策樹。
  14. The software of the device is developed using delphi 5. 0 environment, which can control the data acquisition, monitor signals and show the real - time waveform. the software start recording data in fault and calculate the fault site then, which has built database and make the device a rounded system

    採用delphi5 . 0環境編程，完成工控機對數據採集卡的控制，實時監測、顯示電壓電流波形，故障時啟動錄波，進行故障測距，建立了故障數據庫，使測距裝置成為一個完整系統。
  15. Based on wavelet analysis theory, and aiming at fault data character extraction in induction motor mixed fault diagnosis, this essay dedicates on implication of wavelet analysis in this field, and gain good effect in experiment

    本論文基於小波變換理論，針對感應電動機復合故障診斷中故障數據特徵提取，進行了小波理論在其中的應用研究，並在實驗驗證中取得較好的效果。
  16. In chapter 3, an improved pca is presented which calculates the principal subspace of data collected from current time window and compares it with that from data collected under a normal condition. both the improved pca and conventional pca are used to monitor the tennessee eastman process, the improved pca has better performance to detect weak process changes

    第三章提出一種改進主元分析法，在線檢測當前時間窗口內過程數據的主元子空間，並與穩態無故障數據的主元子空間相比較，以判斷是否發生了故障。
  17. In this software, the advanced programming technologies of object - oriented programming, multithreading, odbc database, visual mfc and plan of modularization structure have been adopted. this software has realized the functions of data teletransmission, modifying fixed value on - line and all kinds of methods for analyzing fault data. the capability of background management and information analysis for microcomputer - based generator - transformer unit protection has been improved

    該系統軟體採用了先進的面向對象程序設計（ oop ） 、多線程、 odbc數據庫、 mfc可視化等編程技術及模塊化結構設計方法，可以實現數據遠傳、在線定值修改、故障數據分析形式多樣等功能，大大增強了微機發變組保護的后臺管理及數據分析能力。
  18. Guide for reporting failure data for power transformers and shunt reactors on electric utility power systems

    電業局電源系統電力變壓器和分流扼流器故障數據報告指南
  19. All signal is stored in sql database, then is purified, cleaned and transferred. at last, gear fault data warehouse is established by star pattern in microsoft sql server 2000

    所有數據存入到sql數據庫中，經過凈化、清理和轉換后，在microsoft的sqlserver2000平臺上採用星形模式構建齒輪故障數據倉庫。
  20. It has highly improved dispatching automation level. lin xiaoying ( power system and its antomation ) directed by prof. zhang xinguo and auxiprof jiao yanjun

    一整套系統為調度運行提供了有力的技術支持，也為電網歷史故障數據再現提供了有效的數據依據
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