間斷性故障 的英文怎麼說

中文拼音 [jiānduànxìnggùzhàng]
間斷性故障 英文
intermittent failure
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 斷 : Ⅰ動詞1 （分成段） break; snap 2 （斷絕;隔斷） break off; cut off; stop 3 （戒除） give up; abstai...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 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
  • 間斷 : be disconnected; be interrupted; interval; leapfrogging; disjunction; break hiatus; hiatus; inter...
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  1. By utilizing self - diagnosis method and diagnosis method based on dt, it become more convenience for fault orientation. considering about fuzzy relation between fault cause and symptom, commix fuzzy diagnosis module was set up by means of fuzzy synthesize judge

    將診斷樹應用於電噴發動機故障診斷專家系統可以優化搜索過程，實現對故障起因的最佳搜索。採用模糊綜合評判的方法進行模糊推理，有效地解決了故障原因與徵兆之間不確定性問題。
  2. The time - scale amplitude plot and phase plot based on hermitian wavelet transform are presented to singularity detection of signal. the corresponding relation relation between singularity and amplitude plot or phase plot is created. as successful application, fault of axletree damnify is found by means of this method

    提出了基於hermitian小波變換的時間?尺度幅圖和相圖來識別信號奇異性的方法，建立了信號奇異點與幅圖和相圖的對應關系，在軸承損傷故障診斷中取得了成功的應用。
  3. One fault diagnosis model and corresponding algorithm was constructed based on neural network and evidence theory for taking a step forward diagnosis correct rate, which can cut down the imput dimension of neural network 、 improve classification ability 、 decrease the error classify rate of diagnosis system. then, the feasibility and effectiveness of this method was manifested by specific diagnosis example

    為進一步提高診斷準確率，本文基於神經網路和證據理論，構建了基於決策層信息融合的故障診斷模型及其相應演算法，目的在於降低神經網路的輸入空間，提高其分類能力，降低診斷系統的誤分類，診斷實例表明了這種方法的可行性和有效性。
  4. Based on the analysis of the magnetic characteristics, an artificial nerural network can be built and the fault samples can be gained by theoretical arithmetic. the results of computation example show that the method can not only judge if shorted field turns exit but also estimate fault turns ratio

    根據該結論構建了發電機故障診斷的神經網路，並直接獲得發電機在額定運行工況下對應的故障樣本，用於故障診斷，不僅對轉子繞組匝間短路故障的存在性，還對故障的嚴重性做出了正確的判斷。
  5. The importance of gearbox - fault - diagnosis consists not only in cutting time and cost of repairing, but also in raising diagnosing accurate, which improves repairing quality and acquires economic benefits dramatically

    研究齒輪箱故障診斷技術意義重大，不僅可縮短維修時間、降低維修成本，還可提高診斷準確性和維修質量，創造可觀的經濟效益。
  6. As far as time cost and accuracy are concerned, this criterion based on waveform discernment is superior to the traditional one based on the transmission line voltage amplitude sampled after breakers work and has been verified its exactness by dynamic emulation

    所提判據在時間和準確性上要優于傳統的基於故障后線路開關開斷后故障線路殘壓幅值的判別法，並經動態模擬驗證了其正確性。
  7. Importance and means of signal measurement and processing in control of three main electric and mechanical equipment for walking beam heating furnace are discussed, the discussion includes time filtering processing of digital signal, measuring signal processing and measurement fault judging of translation stroke in charging machine and discharging machine, translation stroke measurement of walking beam and measuring method of slab output quantity

    摘要論述了步進梁加熱爐的三個主要電氣機械設備控制中信號檢測和處理的重要性及方法，包括四個方面：數字信號的時間濾波處理，裝鋼機、出鋼機的平移行程檢測信號處理和測量故障判斷，步進梁的平移行程檢測，板坯流出量的檢測方法。
  8. Shorted rotor winding is a usual electric fault of synchronous machines. based on the analysis of fault mechanism especially the magnetic characteristics of tum - to - turn short circuit of rotor windings in turbo generator, the paper studies the diagnose method, which combines the traditional method with the intelligent method, to identify the fault and the severity

    轉子繞組匝間短路是一種常見的發電機電氣故障，本文對其故障機理和磁動勢進行了分析，將傳統的方法和智能化方法相結合，對轉子繞組匝間短路的存在性和故障嚴重性進行了診斷。
  9. In connection with the difference and distribution characteristic of the samples in sample space rs based on dga, a new self - adapted weight fuzzy omean clustering model of fault diagnosis of the power transformer based on the potential function is proposed. meanwhile, from the aspect of geometry characteristic of fc - divided in s dimension sample space, a method is proposed for the purpose of getting an effective adjacent radius, adaptive cluster number c and original cluster center of x sample set. for the diagnosis sample x, the property measure and diagnosis rule are proposed, which under the condition of potential density function that determine c number of optimal fuzzy cluster p1

    根據以變壓器dga數據為特徵量的樣本空間各樣本差異特性以及樣本在空間r ~ s的分佈特性，首次提出了基於勢函數自適應加權的變壓器絕緣故障診斷的模糊c -均值聚類模型；同時，從s維樣本空間的f ~ c -劃分幾何特性出發，提出了一種求取樣本集的類勢有效鄰域半徑和自適應求取聚類數和聚類中心初值的方法；對一個待診斷樣本，設計了基於類勢密度函數意義下的屬性測度和診斷準則。
  10. As a result of the heightening of mechanical operation speed and the application of new materials and new structures, the nonlinear dynamic behavior in rotating machines is becoming increasingly outstanding and important. nonlinear dynamic phenomena in rotating machines cant be described, explained and predicted by rotordynamics based on linear system theory. along with the deepening and permeating of nonlinear scientific research, the nonlinear vibration of rotor systems has become an attractive field in recent years. from a point of view to set up the distinct corresponding relations between vibration states and failures of rotating machines, main advances in the research of rotor nonlinear vibration are summarized, and typical nonlinear dynamic phenomena and their forming mechanism are also summed up in the paper. the aim of the paper is to enrich the diagnostic knowledge base of rotating machines. 55refs

    由於機械運轉速度的不斷提高和新型材料、新型結構的推廣應用，旋轉機械的非線性動力學行為日顯突出和重要.基於線性系統原理的轉子動力學理論與方法難以對實踐中出現的豐富的非線性動力學現象作出準確的描述、闡釋和預測.近年來，隨著非線性科學研究的深入和滲透，轉子系統非線性振動已成為應用力學和機械工程領域的研究熱點之一.從有利於建立旋轉機械振動狀態集與故障集之間的映射關系出發，綜述了近年來轉子系統非線性振動研究的主要進展，總結了轉子系統中出現的典型非線性動力現象及其產生機理，目的在於豐富旋轉機械故障診斷知識庫.參55
  11. 4. describes the modeling, process performance monitoring, and fault detection for batch processes using multiway principal component analysis ( mpca ) method. and the dynamic time warping ( dtw ), which used to synchronize the time length of data trajectories observed is introduced

    分析了多向主元分析在間歇生產過程故障監測與診斷中的基本方法及動態時間錯位演算法在處理多批次數據同步問題中的應用，並在此基礎上針對間歇過程的復雜非線性特點以及控制系統的實時監測要求，提出了差分多模型以及滑動模型的故障診斷建模方法。
  12. Abstract : the responses of shaft bow and their relationships with unbalanceresponses and mechanical or electronic run out are analyzed based on the theory of rotor dynamics. the responses of shaft bow are separated from the unbalance responses successfully by making use of vibration information under different rotor runs. an identification method of thermal bend is presented based on the 2d - holospectrum technique. experimental results show that when bow phase is steady and amplitude is variable, the tangent of initial phase point on the 2d - holospectrum is parallel, which can be effectively used for diagnosis of bent shaft

    文摘:依據轉子動力學理論分析了柔性轉子彎曲響應的特徵，在此基礎上討論了它與不平衡響應及機械與電氣跳動量之間的關系，並利用轉子在不同起車情況下的振動信息，有效地分離了彎曲響應和不平衡響應，求解出彎曲量與不平衡量的比值.提出了轉子在恆定轉速下，基於二維全息譜技術的熱彎曲故障識別方法.研究結果表明，當彎曲量相位穩定而其幅值變化時，轉子響應的二維全息譜初相點的切線是相互平行的，由此可以有效地實現轉子熱彎曲故障的識別與診斷
  13. In the paper, based on the existing literature research foundation an analog circuit catastrophic fault location approach by using feedforward networks with back ? propagation learning is realized. by this approach, the simulation require ments before test are reduced because fewer training samples are needed, and the fault location process is fast. this method is very efficient in location of single hard fault wit component tolerances. the measureme nt space feature and the general characterization concept of single and double soft fault in linear circuits are presented. according to this concept, a linear circuits soft fault location approach using subhidden layer bpnn is established with element tolerance, and it is shown that this approach is successful in fault location. a double fault feature extraction.,

    本文在現有文獻理論研究的基礎上實現了採用bp演算法前向多層神經網路對直流測試下模擬電路硬故障的診斷方法。其特點是採用少量典型特徵樣本作為bp網路的訓練樣本，獲得訓練樣本的代價小，減少了測前工作量，同時診斷速度快，在考慮元件容差時仍有好的診斷效果。文中介紹了線性電路單一軟故障和雙軟故障所具有的電壓增量空間特性和統一特徵概念。
  14. Abstract : based on analyzing the fault mechanism for fire - loss bush of the main bearing in nd2 diesel engine, the paper firstly presents the relations between exciting source of vibration and fire - loss bush fault ; then introduces experiments on vibration detection and diagnosis of the engine ; finally, the results show that the condition of fault for the main bearing can bediagnosed through detceting the vibration of engine base surface

    文摘:在對nd2機車柴油機滑動主軸承燒瓦故障機理分析的基礎上，闡述了柴油機的振動激勵源及特徵量與燒瓦故障之間的關系，並介紹了柴油機的振動監測與診斷的試驗研究，試驗結果表明：利用機座外表面的振動特性的變化可以診斷出機車柴油機主軸承的故障狀態。
  15. In accordance with the technological difficulties encountered in the process of insulation supervision based on the dissolved gases analysis ( dga ), several kinds of model and method are presented to improve the reliability and precision of fault diagnosis of the power transformer. main research content includes : by deeply studying the common transformer faults diagnosing methods, such as three - ratio methods and improved electrical committee agreements, several shortcomings such as uncertainness judgment when the fault reasons, phenomenon and principles come out together while can not consistent to each other etc. for this reason, the old methods can not fully meet the need to engineering practical application. considering fuzzy relationship matrix can fully represents the causality between fault symptoms and fault types, when diagnosing complex equipments with multiple symptoms and fault causes such as power transformer, a synthetic fuzzy diagnosing model is firstly proposed to diagnose transformer ' s insulation faults based on dga in this paper

    本文針對應用油中溶解氣體分析方法進行變壓器絕緣監督時所遇到的主要技術難點，提出了提高變壓器故障診斷的準確性、可靠性的幾種模診斷方法，主要研究內容有：通過對判斷變壓器故障常用的三比值法和改良電協研法的深入分析，其診斷準確率較高，但對故障原因、故障現象和故障機理間同時存在不確定性和模糊性的變壓器等電氣設備的故障診斷，難于滿足工程應用的需要；在處理變壓器等結構復雜設備的多癥狀、多原因故障診斷時，模糊關系矩陣可以全面反映這種癥狀與故障類型間的因果關系，進而提出了變壓器故障診斷的模糊綜合診斷模型；同時作者還深入分析了模糊運算元的特性；針對常用的模糊評判結果的模糊集的集化方法的不足性，提出了將模糊綜合診斷與模糊規則推理結合起來進行故障診斷的方法，能達到較好的效果。
  16. It combines boolean algebra expression with time information to describe behavior of a digital circuit. it has made substantive progress at path sensitization, power dissipation estimation, iddt and delay fault diagnosis. theoretically, it is necessary to establish some mathematical foundation in order to define distance, limit and continuity based on boolean process

    它將布爾代數與時間結合起來，為異步性描述提供了比較形式的理論基礎，並在通路敏化、電源消耗的計算、動態電流測試方法（ i _ （ ddt ） ） 、時延故障診斷等方面取得了實質性的進展。
  17. First, the fault type is identified by rough - set, then the neural networks determines the fault elements by the sampling voltage values. with regarding to the other method, the rough - set is looked as the pre - system of neural network. the fault information as well as the sampling voltage values are simplified by rough - set, and the outcome of this processing is the input of neural network.

    整體結合是利用粗糙集對故障信息中樣本的所有故障徵兆進行數據處理，通過知識約簡，刪除多餘的徵兆屬性，簡化知識表達空間維數，簡化以後的樣本數據作為神經網路的訓練樣本，構成完整的粗糙集-神經網路故障診斷方法，將粗糙集與神經網路相結合，簡化了神經網路結構，從而達到提高診斷速度的目的。
  18. Thirdly, on account of the poor reality that the full fault patterns of hv circuit breaker is difficult to establish due to lack of raw data, an alternate method, namely similarity analysis ( sa ), is proposed. the basic idea of sa is comparing the data of condition to be assessed with the data of working condition

    （ 3 ）在目前斷路器運行數據缺乏，完善的故障模式難以建立的情況下，提出一種基於比較與分析運行狀態與正常狀態之間的相似程度的斷路器運行狀態辨識方法? ?相似性分析。
  19. The computer control system is widely used in industry control, traffic transport, space technology and so on. the high security, reliability and haleness are required in these systems, since a few failures can make the losses of huge economy and human beings, thereby the developers, consumers and relational departments think much of the fault analysis, diagnosis and prevention. the hj04a system is an indemnity of the railway transport

    計算機控制系統在工業生產、交通運輸、空間技術等領域中有著廣泛的應用，但要求這些系統具有很高的安全性、可靠性及健壯性，因為任何一個很小的故障都有可能造成生命、財產的重大損失，因此，開發者、用戶單位及有關部門均高度重視系統的故障分析、診斷及防護問題。
  20. This paper has proposed one new way of thought of differentiating the fault type. after observing the physical course of the single - phase grounding of transmission line, analyzing by the wavelet transformation the transient signals sampled during the fault period from the moment that single - phased grounding occurs to the moment that line breakers work, we can distinguish temporary fault from permanent one through the wave form

    本文提出了一種不同於現有故障類型判別的思路，通過考察線路單相接地故障的物理過程，利用小波變換理論分析處理線路單相瞬時性故障和永久性故障在故障發生后斷路器開斷前時間段的暫態信號，通過波形識別區分兩種故障。
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