故障效應分析 的英文怎麼說

中文拼音 [gùzhàngxiàoyīngfēnxī]
故障效應分析 英文
failure effect analysis
  • 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
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 析 : Ⅰ動詞1. （分開; 散開） divide; separate 2. （分析） analyse; dissect; resolve Ⅱ名詞（姓氏） a surname
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  • 效應 : [物理學] effect; action; influence
  1. The system regards the analyzing of deliquescent gas in oil as main method for diagnosing inner delitescent fault. the system carries out a comprehensive diagnosing combined with diversified high voltage tests items and it can identify the sort of fault. this method effectively remedies the limitation of single means

    該系統以油中溶解氣體分析作為診斷內部潛伏性故障的主線，結合各種相應的高壓試驗項目進行綜合診斷，確定故障的類別，有效地彌補了單一方法的不足。
  2. 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。
  3. An automated de - noising algorithm based on the energy of wavelet packet not donoho ' s threshold algorithm is established. a gear feature vibration signal extraction method using the wavelet packet energy is proposed, which can separate gear meshing vibration, noise vibration and gear fault vibration signal from the original gearbox case vibration signal. basis pursuit ( bp ) algorithm is introduced into the filed of mechanical signal de - noising and feature extraction for the first time

    第三章擺脫了donoho的閾值消噪思想，從能量的角度建立了基於小波包的自動消噪演算法；提出基於小波包能量分佈的齒輪故障特徵信號提取方法，可以將齒輪嚙合振動信號、干擾振動信號以及故障沖擊振動信號從原始齒輪振動信號中分離出來；首次將基追蹤消噪演算法引入到機械故障信號的消噪與特徵提取上，通過對齒輪故障信號的消噪，表明了它的有效性，並對影響該方法實際應用效果的因素進行了全面的分析，同時也指出了該方法存在的局限性。
  4. Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information

    本文的研究工作主要包括以下五個部分：首先，介紹航空發動機常見的磨損故障類型，研究磨損故障的失效機理，分析磨粒的產生機理、分類以及形態特徵：其次，針對傳統鐵譜分析技術的缺點，引入圖像分析技術，再結合特徵參數優化篩選，形成基於圖像的磨粒顯微形態學特徵描述方法：然後，基於提取到的磨粒形態特徵信息，應用模式識別方法完成磨粒自動識別，並根據顆粒摩擦學的基本原理進行航空發動機磨損故障的診斷與定位：再后，鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷，本文引入信息融合技術，開展航空發動機多故障徵兆信息綜合診斷方法的研究與探索；最後，基於航空發動機滑油光譜分析與鐵譜分析數據，應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。
  5. In this thesis, load flow algorithm for radial distribution networks is also discussed. a new alternate iterating algorithm is adopted which shows its efficiency in distribution reliability evaluation. a new algorithm of double - - layer tree structure to simplify the complex distribution network is proposed, which is used in fmea to improve the efficiency of distribution reliability evaluation

    根據實際配電網的運行情況，建立了分析其可靠性的統計和預測指標；討論了適用於配電網可靠性分析的潮流計算方法；提出了雙層樹結構的配電網路簡化方法，並應用於故障模式後果分析法中，提高了應用故障模式後果分析法分析配電網可靠性的效率。
  6. This paper put forward a set of management method of equipment and technique in petroleum enterprise, such as equipment ' s evaluation in quantities, equipment ' s proper usage, equipment ' s maintenance and technical reform, equipment ' s status monitoring and diagnosing, em methods under hse management system, etc. this paper also put forward a series of economic management methods, such as the management of equipment depreciation fund, the management of equipment maintenance fee, equipment ' s activation, equipment ' s occupation for value, equipment ' s rental, management of abandoned equipment. the purpose of the author is trying to offer some valuable advice for promoting the scientific em in petroleum enterprise, organizing the equipment operation in the proper way, optimizing the equipment ' s readjustment and improving the equipment ' s intact rate and utilizing rate

    本著理論聯系實際的原則，採用模糊評價法、綜合分析法建立了石油專用設備投資評價體系及效益跟蹤考評方法；提出了一套石油企業設備技術管理的科學方法：設備量化評價考核、設備的合理使用、設備的維修與技術改造、設備的狀態監測與故障診斷技術的應用、 hse管理體系下的設備管理等方法；在經濟管理方面提出了設備折舊資金的管理、設備維修費用的管理、設備的盤活、有償佔用、租賃、設備的報廢管理等管理方法，為推進石油企業設備管理的科學化，組織好設備的運營，優化設備合理調配，提高設備完好率、利用率提供有效的參考建議。
  7. From top level event fault, every level events " ineffective rate and unreliability limit are calculated and sorted by maximum probability of occurred faults in each level, the sequence of the bottom - event is arranged, and then the most probably happened bottom - event correspond to the specific top - event is found rapidly

    從頂事件開始，計算各級故障的失效率和不可靠度，按照各級故障發生的最大概率，排列出底事件序列，迅速找到某一頂事件最可能對應的底事件，實現智能故障分析與診斷。
  8. First, this paper analyses the characteristic of the fault transfer of complicated equipment and describes the availability of the application of hierarchical analysis to fault diagnosis by reference to the theory of hierarchical analysis

    摘要首先在對當前復雜裝備故障傳播特點進行分析的基礎上，參考層次分析理論，對于層次分析在故障診斷中應用的有效性進行了闡述。
  9. The method to apply the statistical analysis theory in supervision of quality of product in manufacture process is statistical process control ( spc ), which is the effectual tool to get eligible product and the foundation for supervising process performance and fault diagnosis

    應用數學統計分析理論對生產過程進行產品質量監視和控制的方法稱為統計過程式控制制（ spc ） 。統計過程式控制制是獲得合格產品質量的有效工具，同時也是過程性能監視和過程故障診斷的基礎。
  10. The algorithm is also applied in the broken rotor bars detection in squirrel cage induction machines, which is dependent on detecting the twice slip frequency modulation due to the speed or torque in the stator current, and the rotor bar faults can be detected effectively without some preprocessing

    指出可以利用信號的小波脊線來提取頻率隨時間連續變換的信號的瞬時頻率，並將該瞬時頻率提取演算法成功地應用到異步電動機定子起動電流信號的分析中，有效地提取出了轉子斷條故障特徵。
  11. This paper introduces the research and application of the wearing fault diagnosis for vehicular power transmission systems with its focus on the introduction of the threshold value defining method and its application effect, which has been developed by the authors with the oil spectroscopic analyzer

    本文介紹了車輛動力傳動系統磨損類故障診斷的應用研究，重點介紹了作者研究的油液光譜分析界限值制定的方法和應用效果。
  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. Abstract : in the expert system for failure diagnosis the application and process of the knowledge module about knowledge base has been studied. authors have developed the knowledge module of the failure diagnosis by oil analysis on single gearbox. additionally, the application efficiency in practice has also been discussed

    文摘:研究了知識模塊在開發故障診斷專家系統中知識庫的作用和過程.介紹了單級齒輪傳動箱通過潤滑油分析進行故障診斷的知識模塊，針對實踐中應用效果作了討論
  14. Based on the " research on the new method for rotating machine faults diagnosis based on independent component analysis " ( national nature science fund project, no : 50205025 ) and " study on the new method of corba - based distributed calculation tactics construction in remote condition monitoring and diagnosis " ( zhejiang province nature science fund project, no : 501061 ), this paper aimed to the rotating machinery faults diagnosis oriented time - frequency analysis. the emd - based basic theories and methods were studied ; to weaken the emd method ' s end effect, some new data extention means were proposed ; to improve the emd method ' s precision and efficiency, some new algorithms were proposed ; the emd based time - frequency analysis software was designed and developed ; a experiment system at the base of rotor test bed was built to study the ro tor faults diagnosis using the new time - frequency analysis method, then studed several typical faults

    本文結合「基於獨立分量分析的旋轉機械故障診斷新方法的研究」國家自然科學基金項目（ 50205025 ）和「基於corba分佈計算策略構建遠程監診的新方法研究」省自然科學基金項目（ 501061 ） ，以面向大型旋轉機械故障診斷的時頻分析為目標，研究了該方法的基本原理和演算法：針對其端點效應等不足，提出了新的數據延拓技術；針對emd演算法的精度和速度上的不足，提出了新的改進演算法；設計和開發了基於emd時頻分析的軟體系統；以模擬轉子實驗臺為基礎構建了實驗系統，並進行了實驗研究。
  15. Abstract : in this paper, the fault tree of a hydraulic steering gear system was built, methods of fault - shooting with fta were analyzed. such trouble as steering gear moving too slowly of the system could be solved audio - visually and efficiently with mentioned methods

    文摘:故障樹分析技術在船舶機械設備維修中的應用越來越廣泛;通過建立某液壓舵機系統故障樹，討論了應用故障樹查找故障的方法，並應用於系統「轉舵太慢」故障檢測中，直觀、高效地解決了問題。
  16. It is essential to make research on fault analysis of expert system facing product to adapt to market competition, response to the development of society. the research is important for designer to solve how to convert the customer requirement into the process of manufacture and to prevent fault in the process of production

    開展面向產品質量規劃的故障分析專家系統研究是適應市場競爭，響應時代發展的需要，是實現快速而有效的將用戶需求反映到產品設計中去並且預防故障發生的有力工具。
  17. Firstly, this paper discussed failure mechanisms, failure reasons and precautions of explosion, corrosion, abrasion, deformation and leakage etc by studying the rationales of internal and overseas failure analysis for pressure vessels. secondly, each fault tree of failure analysis was built and the knowledge base of failure analysis for pressure vessels was made by combining production rule with framework in the end

    本文借鑒國內外的壓力容器失效分析的基本原理，研究了破裂或爆破失效、腐蝕失效、磨損失效、變形失效、泄漏失效等失效機理、失效原因及預防處理措施，進而建立其各自相應的失效分析故障樹，最後通過產生式系統與框架系統相結合的知識表示方法建立了壓力容器失效分析知識庫。
  18. 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。
  19. A time - frequency analysis method is presented to solve paper machine press section bearing vibration signals of unstable and complication, applying wavelet function to the unstable signals for faulty bearing according to paper machine press section roll bearing characteristic, and process the vibration signals by means of decomposition and reconstruction, obtaining the vibration signals in different frequency bands, the statistic in frequency domain of relevant frequency bands is served as monitoring feature

    摘要針對紙機壓榨部滾動軸承尺寸大響應弱、運轉速度低、低頻信號容易淹沒、調制源多、振動信號非平穩性等特點而導致常規的傅立葉分析診斷故障效果不佳的情況，提出了一種應用小波變換的時頻分析方法，對振動信號進行分解和重構處理，獲得了振動信號在不同的頻段的分量，提取相應特徵頻段重構分量的功率譜的頻域統計值作為特徵參數，從而實現對軸承故障診斷。
  20. Fmea failure mode effects analysis

    故障模式效應分析
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