特定模式故障 的英文怎麼說
中文拼音 [tèdìngmóshìgùzhàng]
特定模式故障
英文
pattern se itive fault- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 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
- 特定 : 1. (特別指定的) specially appointed; specially designated 2. (某一個) given; specified; specific
- 模式 : model; mode; pattern; type; schema
- 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
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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。The count of failure includes that of failure classification and failure pattern ; reliability indicator includes mean time to first failure ( mttff ) and mean time between failure ( mtbf ) ; life indicator includes feature life, center life, and specified life
其中,故障統計包括故障類別的統計和故障模式的統計;可靠性指標包括平均首次故障里程mttff和平均故障間隔里程mtbf ;壽命指標包括特徵壽命、中位壽命、額定壽命等。So the development of self - energy sf6 cb is very important. in the paper, the math model of arc - quenching chamber air - pressure character is built on the base of 126kv / 31. 5ka self - energy sf6 cb ' s exploiting, then the theory analysis and calculation is deeply been done for cylinder radius, nozzle spout radius and opening position of moved contact that they have the essential effect for the use of arc energy in the course of opening. arc - quenching chamber parameter is confirmed according to the request of full opening and fault opening when the cb is opening
本文針對126kv31 . 5ka自能式sf _ 6斷路器的研製,建立了相應的滅弧室氣壓特性數學模型,對自能式sf _ 6斷路器開斷過程中電弧能量利用有重要影響的滅弧室缸徑、噴口直徑、動觸桿開口位置進行了詳細深入的理論分析和計算,並根據斷路器開斷中的滿容量開斷和近區故障開斷的要求確定了滅弧室參數。In the tranditional predicting methods, the remained life of certain pivotal parts on particular breakdown patten was regarded as the remained life of the whole machine. mathematical statistics was also used to obtain the mean remained life of machinery because of incomprehension on the mechanism of fault development
以往的機械設備剩餘壽命預測方法是預測設備關鍵部件在特定故障損壞模式下的剩餘壽命,以關鍵部件的剩餘壽命作為整機的剩餘壽命,在故障發展機理不是很清楚的情況下,代之以統計學的黑盒模型,估算設備群體的平均壽命。From the analysis of traffic flow of huang - huang expressway, the paper reveals the problems of operating administration and trends of traffic flow of huang - huang expressway, reviews and references the advanced experiences of expressway operating administration of national expressway department and overseas, studies and sums the problems including of operating environment, traffic accident, roll standard, system of perform laws, population of environment, scale of the service zone and " holiday economics ", puts forward the suggestion of perfecting operating system, reforming roll manner and practicing comprehensive performing laws
本文從黃黃高速公路交通流特性分析角度出發,分析了黃黃公路運營管理的現狀、存在的問題和未來發展趨勢,在總結和借鑒國內國外高速公路運營管理經驗的基礎上,對高速公路運營環境、交通事故、收費標準、執法體制、環境污染、服務區規模以及在國家經濟運行中新出現的經濟現象如「假日經濟」等若干運營管理問題進行較深入地研究和探討。提出了完善運行保障系統、改革收費標準制定模式、實行綜合執法等建議。Chapter three discusses the vibration information based automatic diagnosis mehtod. the acquisition of spectrum feature of fault pattern class by the fuzzy clustering algorithm is the bisis of pattern recognition in the level of fault class. the result acquired by fuzzy relationship between vibration symptom and fault shows the feature of fuzzy - relation - based method
第三章主要研究基於振動信息的自動診斷方法,建立了故障模式類的概念,根據模糊聚類演算法確定了故障標準模式類及其頻譜特徵,為在故障模式類層次上的模式識別提供了理論基礎;研究了模糊關系診斷結果的分佈規律;建立了綜合診斷實現了基於綜合診斷方法的多機組、多測點在線診斷。In this paper, based on the analysis of the fault mechanism, the dynamic system is introduced to establish the cause and effect network map of single fault, confirm the structure of system, and establish the equation of system dynamic model. the simulation soft - ware stella is applied to simulate the system model, the dynamic behavior and characteristic of the system have been analyzed
故障的發生往往存在復雜的因果關系,本文在進行故障機理的分析基礎之上,運用系統動力學方法建立單一故障的因果關系圖,確定系統的結構,建立系統流圖方程式,並運用計算機模擬軟體stella進行系統模擬,對其系統的行為模式和特性進行分析。At first, this paper presents the basic conception and technique of the fault diagnosis of analog circuits. with a detailed presentation of its characteristic, it gives the difficulties and the development trend, and then discusses the general diagnosis method and pattern identification technique
本文從模擬電路故障診斷的基本概念和方法出發,在詳細介紹模擬電路故障診斷特點的基礎上,指出了模擬電路故障診斷的難點和發展趨勢,然後論述了常規的診斷方法的原理及特點,對故障診斷模式識別技術也作了一定的介紹。Chapter four introduces the basic theories of continue hidden markov models ( chmm ). the new method of faults diagnosis based mixture density chmms directly by the vibration ar coefficients vectors of rotating machine is proposed, and then the dynamic patterns presented in run - up process of rotor machine are successfully recognized. at last compares the two faults diagnosis methods of dhmm and chmm, and points out the advantages and disadvantages of the two methods
第四章:在連續隱markov模型( chmm )的基本理論基礎上,提出了直接利用振動信號ar系數特徵矢量序列建立混合密度chmm的故障診斷新方法,並對轉子升速過程的振動模式進行了成功的識別;對dhmm和chmm故障診斷方法進行了對比分析,指出dhmm方法具有演算法穩定、計算速度快、識別精度高等特點,對于chmm方法只要通過合理選擇特徵參數也能得到高的識別精度。分享友人