振作故障 的英文怎麼說

中文拼音 [zhènzuògùzhàng]
振作故障 英文
clearing of a fault
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 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
  • 振作 : bestir oneself; exert oneself; display vigour; pull oneself together
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  1. In this paper, the rotating machinery at high speed is studied. there are discussed about numerical calculating methods for non - linear dynamical system, the rotor system radial impact and rubbing dynamics behavior analysis having the nonlinear rigidity on the unsteady and non - linear oil film, the rotor system dynamics behavior analysis with bending - torsional - pendular coupling vibrations, application of wavelet, fractal and network in fault diagnosis. the main works in this paper are as follows : ( 1 )

    本文以高速旋轉機械為主要研究對象，系統、深入地研究了非線性動力學系統的數值計算方法、具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學行為、轉子彎扭擺耦合振動的動力學分析、小波和分形理論及人工神經網路在故障診斷中的應用問題。
  2. This dissertation is chiefly act below work : ( 1 ) expatiating the equipments diagnosis technique development process and trend, putting forward the standpoint that giving systematical diagnosis to the mechanical and electrical equipment and expanding the technical application in equipment diagnosis, making it breakthrough the traditional application of maintaining etc. in equipments, still be used for improvement and development etc. s of new product ' s design ; ( 2 ) probing into vibration type and disposal method of vibration signal, the usual method of equipment condition recognition, the essential constitutes and development trend of observation and diagnosis system ; ( 3 ) introducing the development trend of domestic and international crusher and the distinguishing feature of double turnplate stike crusher which is a new product. according to the breakdown phenomenon in running process, establishing the fault tree and deducing every kind of foundation affairs resulting in fault ; ( 4 ) studying the calculation method of critical rotation speed

    本文主要做了以下工作： （ 1 ）闡述了設備診斷技術的發展過程及發展趨勢，提出了應結合實際對機電設備進行系統診斷的新的技術思路，用實踐證明了應當拓寬設備診斷技術應用的范圍，使設備診斷技術既可以在設備管理和設備維修中得到應用，也可以用於新產品的設計改進及開發等； （ 2 ）探討了振動的類型及振動信號的處理方法，設備狀態識別常用的方法，監測與診斷系統的基本構成與發展趨勢； （ 3 ）介紹了國內外破碎機的發展趨勢，以及雙轉盤沖擊破碎機這一新產品的結構和特點，並根據試機過程中出現的故障，建立了故障樹，並導出了導致故障發生的各種基礎事件； （ 4 ）研究了臨界轉速的計算方法和原理，用傳遞矩陣法計算出了破碎機內轉盤的臨界轉速。
  3. By the result of these experiments, acoustic emission ( ae ) was chosen to use in the research. at the same time, we analyse the phenomenon of acoustic emission at the base of theory, the characteristic signal of acoustic emission which comes from the faulty bearing at the angle of application, and the expression of the characteristic signal. contrast was also made on the data achieved separately from vibrational signal and ae signal, and it is proved that ae is feasible and available to the diagnosis to the fault of the rolling bearing

    主要工作有如下幾方面：對本段前期實驗室階段採用的振動法幅值域無量綱處理進行了分析，並研製了現場所使用的滾動軸承故障檢測裝置，將無量綱參數診斷法應用於段修現場，且做了大量試驗；對于現場試驗中所出現的問題進行了分析，提出將聲發射的方法用於軸承的在線故障診斷；從理論上分析了聲發射現象，從應用的角度分析故障軸承的聲發射信號的特徵以及聲發射信號特徵的表示方法，並在實驗室中，採用振動法和聲發射法實時檢測的實驗數據進行了對比和分析，證明了使用聲發射法對軸承故障檢測的可行性和有效性。
  4. In the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load

    針對lcj1250氣平衡式鏈條抽油機存在氣平衡故障率高和現場維修困難等問題，提出將氣平衡改造成工作可靠的重力平衡的方案，並確定了改造的三個原則：一是保證整機的可靠性，使抽油機運轉平穩，振動噪音小，壽命長；二是力求降低生產成本，減少零部件製造，盡可能選用原來的通用件，捨去平衡缸和空氣包等氣平衡附件，在原往返架主體上懸掛一個配重箱；三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。
  5. Abstract : in the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load

    文摘:針對lcj1250氣平衡式鏈條抽油機存在氣平衡故障率高和現場維修困難等問題，提出將氣平衡改造成工作可靠的重力平衡的方案，並確定了改造的三個原則：一是保證整機的可靠性，使抽油機運轉平穩，振動噪音小，壽命長；二是力求降低生產成本，減少零部件製造，盡可能選用原來的通用件，捨去平衡缸和空氣包等氣平衡附件，在原往返架主體上懸掛一個配重箱；三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。
  6. What is mainly discussed in this dissertation is as follows : the fault mechanism and vibration frequency feature of hydroelectric vibration are analyzed, induced and reorganized. the select and placement of detecting positions of parameters such as vibration, swing and pressure pulsation are researched, and the corresponding sensors are selected to monitor

    本文主要進行了以下工作：分析、歸納和整理了水電機組振動的故障機理和振動頻率特徵，對機組的振動、擺度和壓力脈動測點進行了選擇和布置，並選用相應傳感器進行監測。
  7. It is very important that do dynamic balance test on rotor for reducing vibration and noise of machines ， saving energy sources, promoting envionment protection

    為了減少機組零件的損壞以避免設備故障和生產事故的發生；減小機組的振動，節約能源；減小工業環境的噪音，增進環保，對旋轉機械作動平衡測試極為必要。
  8. During this period, the experts from the seller shall explain in detail to buyer ' s persons the technical knowledge and operations concerning the using, adjustment, maintenance, maintaining, prevention, analysis and elimination of malfunction

    在此過程中，賣方專家應進一步向用戶的技術人員講解整個設備的使用、調整、維修、保養、故障預防、分析與排除等方面技術知識和振作示範。
  9. Two main aspects are involved in the paper. firstly, by the research on the digital signal processing, the digital signal processing program of vibration fault analysis for rotor system is developed

    本文主要進行了三方面工作:第一，對數字信號處理技術進行了研究，編制了轉子系統振動故障的數據分析程序模塊。
  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. Based on an introduce of the procedure for stipulating the standard of vibration diagnosis of oil transfer pump on an offshore platform, by means of measuring point distribution analysis and selection of diagnosis parameters, the standard for vibration diagnosis of oil transfer pump on qk18 - 1 offshore platform is stipulated by taking the acceleration envelop and vibration velocity as the diagnosis parameters

    摘要在介紹制訂外輸泵振動診斷標準意義及步驟的基礎上，通過測點規劃與診斷參數選取，將加速度包絡和振動速度作為制訂標準時的診斷參數，採用改進的統計法制訂了qk18 - 1平臺外輸泵振動診斷標準，應用該標準診斷故障30餘次，表明該標準具有較高的可信度及工程應用價值。
  12. Abstract : in the operation beginning of the tandem rolling mill reduction gears being overhauled, the magnitude of the vibration is t oo large. this paper introduces a method of the vibration diagnosis of the reduct ion gears and explains the fault cause. it is proved that the conclusion is corre ct when the failure parts are replaced

    文摘:針對連軋機組減速機在檢修后開始工作中，產生較大振動這一異常現象進行了診斷與分析，從而找出了產生這一故障的原因，更換故障件后得到證實，診斷是正確的
  13. According to the relational expression of torsional vibration of the measuring point on crankshaft and the excited moment of each cylinder of internal combustion engine ( ice ), the working condition of each cylinder was monitored and the fault of cylinder - scoring was diagnosed using the amplitude and phase characteristic of 0. 5 order torsional vibration

    摘要依據內燃機軸系測點扭振與各缸激振力矩的關系式，利用0 . 5諧次扭振的幅值與相位特性，進行內燃機各缸作功狀態監測和拉缸故障診斷。
  14. 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。
  15. This machine has many advantages listed below : simple in structure, convenient in operation, compact, large amount to be treated, low in roise, corrosion resistant, low trouble, convenient in assembling and disassembling, no deed corner in cleaning, no dust and so on

    該機具有結構簡單、操勞過度作方便、體積小、處理量大、噪音低、抗腐蝕、低故障、壽命長、生產率高、振幅可調、耗能低、拆裝方便、清洗無死角、無粉塵等優點。
  16. The experiments for the online elimination of oil whip are very successful and show that the electromagnetic actuator has better effectiveness and may be used in engineering practice

    在實驗中作者成功地在線消除了系統的油膜振蕩故障，該方法簡單而且可靠。
  17. At present, usual method of fd is measuring vibration signal as system feature signals for fault characteristic eigenvectors pickups

    故障診斷常用的方法是以泵缸體上的振動信號作為系統特徵信號來提取故障特徵向量。
  18. Secondly, been generalized the failure data of electrical connectors from working and testing environment, electric contact failure, insulation failure, mechanical connection failure and other failure are four mainly failure modes of connectors, moreover, built the faulty - tree to analyze their reliability level. however, contact fault failure was the most prevalent mode of electrical connectors. under natural working and reserving conditions, the contact stress decreasing, fretting and surface film growing are mainly reasons to make electrical connector failure

    其次，通過對現場、試驗場電連接器的失效情況進行統計和分析，總結出電連接器的四種主要失效模式：電接觸失效、絕緣失效、機械連接失效和其他失效，並對電連接器進行了故障樹分析，指出電接觸失效是電連接器失效的主要形式，而在正常的工作條件下，造成電接觸失效，即決定電連接器工作壽命的主要原因是氧化膜層的生長、接觸對磨損以及磨損腐蝕物的堆積，而影響氧化膜層的生長、接觸對磨損以及磨損腐蝕物堆積的主要因素是環境振動和溫度應力，為電連接器進行失效機理分析奠定了基礎。
  19. In general, vibration diagnosis of rotating machinery is an effective and cost - cutting method. with the help of diagnosis, maintenance management will be changed over from planed maintenance system to predicated and preventive one

    總之，振動診斷技術是旋轉機械故障診斷的有效方法，它為企業維修體制由計劃維修向預知維修轉變，為企業設備安穩運行將發揮重要作用。
  20. Engine is contained in the angular vibrating curves of crankshaft, many scholars do research on the fault cylinder diagnosis by use of the transient speed curves of i. c. engine, and some progresses are acquired, but there are some problems such as the poor diagnosis accuracy in some cases and the limited application range

    內燃機曲軸角振動曲線含有豐富的內燃機作功狀況的信息，國內外許多學者都在研究利用內燃機瞬時轉速曲線診斷故障缸，取得一定進展，但存在精度不高或適用范圍受限制等問題。
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