故障率函數 的英文怎麼說

中文拼音 [zhànghánshǔ]
故障率函數 英文
failure rate function
  • : Ⅰ名詞1 (事故) event; incident; happening; accident 2 (原因) cause; reason 3 (朋友; 友情) fr...
  • : Ⅰ動詞(阻隔; 遮擋) block; hinder; obstruct Ⅱ名詞(遮擋物) barrier; block; obstacle
  • : 率名詞(比值) rate; ratio; proportion
  • : 名詞1. [書面語] (匣; 封套) case; envelope 2. (信件) letter 3. (姓氏) a surname
  • : 數副詞(屢次) frequently; repeatedly
  • 故障率 : fault rate; failure rate故障率曲線 bathtub curve; 故障率數據 failure-rate data; 故障率水平 failure-rate level
  • 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. It is applicable to various structural distribution networks. while resolving the " large area restoration ", the genetic algorithm execute three same and simple genetic operators : selection, crossing and mutating. it make a self - adaptable and probability overall searching under the leading of fitness value in the whole searching scale until acquiring the best result

    在求解網路后重構問題時,互動式模糊遺傳演算法通過循環執行相同的、極其簡單的選擇、雜交和變異三種遺傳操作,並在適應度值的引導下在搜索空間進行自適應概性全局搜索,直至獲得全局最優解。
  2. Based on the count of failure in the samplers, this paper analyzes the weak link of the quality of domestic automobile products. with the help of mathematical statistics and automobile reliability theory, we get the failure law of bus, truck and car of the domestic automobile industry and their failure distribution function, reliability function, probability density function, and failure rate function. accordingly, the present situation of reliability in domestic automobile products is expounded

    本文通過對樣車的進行統計,分析了我國汽車產品質量的薄弱環節,並藉助理統計手段和汽車可靠性理論,得出了國產客車、載貨汽車以及轎車的規律和相應的分佈、可靠度密度故障率函數,論述了國產汽車產品的可靠性現狀。
  3. Then the difference between the output of the trained neural networks and that of the actual system is used as a residual, which detects the sensor fault. the diagnosis can then be performed by further exploiting the information provided from the residual signals according to certain rules introduced in detail in the thesis. simulating results show that the method can isolate any fault of the sensors in any input types and normal work frequencies

    模擬結果表明,基於神經網路觀測器的診斷方法在系統正常工作頻范圍之內,不受系統輸入類型和的類型的影響,只要對系統的特性發生影響(系統參漂移3 ) ,通過神經網路觀測器的殘差判別可以診斷出
  4. In the paper, the transmission power of section constituted by the assigned branch is seen as objective function, assigning the adjustable generators both in sending system and receiving system, assigning the faults set, including the constraint conditions such as the differences between the angles of rotor and the inertia center angel of the whole system, the thermal stability of branch and node voltage, obtaining the results by using interior - point solution and line - predominant jordan

    本文提出的考慮暫態穩定約束的可用輸電能力演算法是以指定線路組成的斷面的傳輸功為目標,指定送端系統和受端系統中參考調節的發電機,指定集情況下,以發電機轉子相對全系統慣性中心的角度差、線路熱穩定、節點電壓等構成約束條件,採用內點法和行主元約當逐行消去法求解問題的最優解。
  5. In the first session the fans vibration on - line monitoring system is realized with vc language, also compile auto power spectrum density function, cross power spectrum density function, autocorrelation function and cross correlation function etc spectral analysis function to carry through simple offline fault diagnosis

    首先用穩定性強、擴展性好的vc + +語言開發了通風機振動在線監測系統,並編寫了自功譜密度、互功譜密度、自相關和互相關等頻譜分析來進行簡單的離線診斷。
  6. Additionally, the optimum structure and parameters of the support vector machine can easily be determined by the learning process, however the neural networks can not. an information gain of signature signals is introduced to assess the contribution of the signature signals to diagnosing faults in rotating machines

    同時發現,存在一個最佳訓練樣本比例值,在該比例值上,不同核支持向量機的診斷錯誤均趨于穩定,也就是說這個比例值確定了在保證診斷準確的條件下,所需要的最少訓練樣本
  7. The minimum square method was used in regressing analysis for the result of treatment in a supposed distribution function, the " d " examination method was used for weibull distribution and index distribution, and obtained the distribution type in the life of the main shaft bearings, appraised the reliability life, the mean life and the reliability in 500hours of the main shaft bearings with theoretical distribution function

    用殘存比法、平均法和累積法對主軸軸承可靠壽命進行了評估,用最小二乘法對現場據統計處理結果進行了假設分佈的回歸分析,並用d檢驗法對威布爾分佈和指分佈進行了分佈檢驗,得出主軸軸承壽命分佈類型。利用理論分佈,對主軸軸承可靠壽命、平均壽命、 500小時的可靠度進行了評估。
  8. But indeed a good many of problem exist in the present situationof the management. according to this, this paper use the object of the borer. according to the reliability theory established the failure tree of borer system, calculated the reliability parameter of the system and every components. processed the instantaneous reliability analysis of the borer. received the eliability function of the components. based on this, established the maintain and management modeland ecnomye stimate model. and worked out the internet applications, improved the management efficiency of the employed facility, economized the devotion. the maintain and management of the borer achieved to the scientific and comunication, improved the management efficiency, possess great value of application

    針對這種情況,本文以石油鉆機為研究對象,利用可靠度理論,確立了石油鉆機的樹,計算了系統及各基本部件的可靠性參,對鉆機系統進行了瞬時可靠度分析,同時,確定了石油鉆機系統的可靠度指標,得到了石油鉆機各基本部件的可靠度,根據可靠度建立了以可靠度為準則的維修管理及經濟評價模型,並編制了相應的應用軟體,提高了現場設備管理的效,節約了經濟投入,使石油鉆機系統的維修管理達到了科學化、信息化的水平,提高了管理效,具有較高的應用價值。
  9. According to the phenomenon that some vehicles may come cross the starting difficulty after the engine running a period of time, the paper firstly analyzes, the practical meaning of engine cold start parameter for automatic testing and diagnostic systems, according to dempster - shafter amalgamation rule, requirement of proof, aining at concrete fact of breakdown diagnosing for engine cold start. conforming basic probability distribution function, it presents concrete realization for decision - making amalgamation arithmetic, completes for development of soft and hard wares of automation synchronous messure of engine cold start " s parameter

    針對發動機運行一段時間后,部分車輛就會出現起動困難的現象,本文首先分析了發動機冷起動參自動測試與診斷系統的實際意義,根據dempster - shafer證據理論的融合規則、要求,針對發動機冷起動診斷的具體實例,構造了基本概分配,給出了決策層融合演算法的具體實現方法,完成了發動機冷起動參自動同步測試的軟體硬體開發。
  10. This paper investigates the application of the multivariate statistical process monitoring and control technology, which employs both multiway principal component analysis ( mpca ) and kernel density estimation ( kde ), to real time status monitoring and fault diagnosis of batch production processes

    本文主要研究了運用多向主元分析法和核法概密度估計相結合的多元統計過程監控技術對間歇生產過程進行實時的狀態監測與診斷。
  11. It has the functions of collecting vibration signal power spectruiru cepstrum and transfer function analysis and so on with the pcl _ 1800. at the same time, the system can convert the data into the corresponding graph

    本系統是windows界面下的狀態監測與診斷系統,它在據採集卡pcl1800的支持下,可以完成振動信號的據採集以及功譜、倒譜、譜陣和相干分析等功能。
  12. Firstly, a relevant algorithm is presented for locating single - line - to - ground ( slg ) fault in distribution networks, fault functions are reasoned out and analyzed for single - phase and three - phase distribution lines, and criterion measure, which are based on the frequency, phase and shape characteristics of the fault function spectrums, are also presented for locating slg faults

    首先論文對三相均勻換位線路的定位進行了公式推導和值計算分析,並在頻域內對的頻譜曲線幅值、相角和頻特性進行了分析,提出了相應的定位判據。
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