故障率分佈 的英文怎麼說

中文拼音 [gùzhànglǜfēnbù]
故障率分佈 英文
failure rate distribution
  • 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
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 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
  • 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...
  1. Abstract : in the validation testing of software, the analysis of failure data can help to understand the failure distribution in the software. based on the analysis result, the corrective actions and proper approcahes can be taken to improve the detected efect rate of software tesing

    摘要：在軟體的確認測試中，如果能夠對故障數據進行相關的分析，就可以實時地了解被測軟體的故障分佈情況，並採取相應的措施和方法，從而提高軟體測試的缺陷發現率。
  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

    本文通過對樣車的故障進行統計，分析了我國汽車產品質量的薄弱環節，並藉助數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故障規律和相應的故障分佈函數、可靠度函數、故障密度函數及故障率函數，論述了國產汽車產品的可靠性現狀。
  3. A hydroelectric - generator unit faulst early warning method

    一種基於概率分佈估計的水電機組故障預警方法
  4. This thesis focuses on techniques of dynamic fault tree in system reliability modeling and its qualitative and quantitative analysis. it studies bdd solution for static sub trees 、 markov chain solution for dynamic sub tree briefly and the modularization of dynamic fault tree ; presents the algorithm for top event occurrence rate of dynamic fault tree based on weibull distribution. then this thesis presents a new approach to solve top event occurrence rate and a new generation algorithm of minimal cut sequence of dynamic fault tree that deviate from markov model completely

    本文著眼于動態故障樹在系統可靠性建模及定性定量分析中的技術，研究了基於bdd的靜態子樹分析方法、基於馬爾可夫模型的動態子樹分析方法以及動態故障樹模塊化方法，並提出了基於威布爾分佈的動態故障樹頂事件發生概率計算方法;提出了一種完全脫離馬爾可夫模型的求解動態故障樹頂事件發生概率的方法和一種最小順序割集的生成方法。
  5. Random failures of generator, transformer, transmission line, protection system and topology of both power station and power network are constructed

    根據元件故障的概率分佈，建立靜態安全分析中發電機、變壓器、輸電線路、保護系統的隨機故障模型。
  6. 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

    用殘存比率法、平均故障法和累積故障法對主軸軸承可靠壽命進行了評估，用最小二乘法對現場數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數分佈進行了分佈檢驗，得出主軸軸承壽命分佈類型。利用理論分佈函數，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。
  7. The last proposed method is based on the distributed parameter model, the algorithm utilizes searching and iteration methods to locate the fault point

    第三種方法採用電纜線路的分佈參數線路模型，根據功率平衡原理推導出故障測距方程，並通過搜索迭代方法解之。
  8. This paper studies the typical two - unit series maintained system, the distributing of the units life have been known. by random sample to the life of units and simulate with computer, uses monte - carlo method, counts the failure time of every unit, and failure rate - the reliability character of two - unit series system is derived, together with its curve

    摘要研究了典型的兩元件串聯的可修系統，在已知元件的壽命分佈的條件下，應用蒙特卡羅方法，對元件的壽命進行隨機抽樣並進行計算機模擬，通過統計每個元件故障的次數，得出了兩元件串聯可維修系統的可靠性特徵量故障率，並繪出了曲線。
  9. The recursive criterion of transient current protection based on mallat wavelet transform is presented in order to meet the real - time demands. the reserch shows deficiency existed in the prevenient principle of transient current protection, so a new improved scheme of transient current protection is proposed. the characteristics of transient protection at different bus distribution capacitance is also analysed in this thesis. the study shows that operate of transient protection is correct when the bus distribution capacitance change. other conclusion include : the trip of transient protection must be locked when the power circuit breaker of transimission line operated, because the trip is incorrect at this time ; the features of transient current and it ' s energy is different between the fault and thunder over - voltage in transimission line, and them can be identified ; the ratio of high frequency component of current in serise capaciters compensation line, svc and hvdc system is far little than fault transient current, so all of them do not affect the working of trasient current protection

    應用功率譜估計方法討論了故障高頻暫態噪聲信號在頻率軸上的分佈情況，利用功率譜分析結果實現的非參數化系統辨識方法研究了母線分佈電容對電流高頻暫態信號的衰減特性。論文的後半部分（第五，六，七章）著重分析了現有基於故障電流的暫態保護原理和判據存在的問題，提出了新的實現方案，並討論了暫態電流保護的運行性能。利用多分辨分析和小波分解快速演算法構成的遞推暫態保護判據，可以準確區分故障線路和非故障線路，實現超高速暫態電流保護，計算更為簡單方便，計算速度更快。
  10. In designing or selecting a topology for a parallel processing system, one fundamental consideration is system - level fault tolerance. in order to improve the fault tolerance, the paper analyses from the two following sides : one is by adding the less links related to the original networks, modifying the topology of the original one, we get higher fault tolerance of the new network ; the other is under the same topology network, ignoring the likelihood of one processor and ail its neighbors failing at the same time, or considering the distribution of the faulty nodes, that is studying the fault tolerance under the conditional connectivity or cluster - fault - lolerance

    本文以提高網路的容錯度為目的，從兩個方面分析互連網路的容錯性質：一是在原網路基礎上增加少量連接，使新型網路具有更高的連通度（容錯度為連通度減1 ） ；二是在給定互連網路拓撲結構下，考慮故障處理器發生的概率和故障處理器的分佈狀況，在其中的某一具體條件下，即在條件連通度和簇容錯下分析互連網路的容錯性能，從而得到更高的網路容錯度。
  11. Stress - strength interference model of structure reliability is introduced to analyze human reliability. the decrease speed of strength with time is studied by the human stress - strength interference model, and its probability density function is derived. similar to engineering reliability analysis method, ucav system reliability diagram and fault tree are presented, fmeca is also performed

    論文的第二部分研究無人作戰飛機系統的可靠性分析，在對人的差錯的原因深入分析的基礎上，建立了人的通用差錯模型，借鑒結構可靠性分析方法，建立了人的可靠性的應力強度模型，推導了強度隨時間下降速率的概率分佈；運用工程可靠性分析方法，建立了無人作戰飛機系統的可靠性框圖、故障樹，並且做了人的差錯的故障模式影響分析。
  12. Furthermore, this paper provides several forms of failure ratio in the operating phase taking the difference between the testing profile and the operating profile into account according to the concepts of the testing reliability and the operating reliability, then analyzes theoretically the difference between the testing reliability and the operating reliability based on the changing trends that the failure of decreasing and first increasing and the decreasing of the failure ratio, and makes a research on the influence of the two types of reliability on the software releasing time

    在此基礎上給出了考慮測試剖面與運行剖面差別的幾種運行階段失效率的形式，然後根據失效率遞減的和先增后減的變化趨勢，從理論上分析了測試可靠性與運行可靠性的差別，研究這兩種可靠度對軟體發布時間的影響。絕大多數軟體可靠性增長模型都假設軟體故障服從同一種分佈。
  13. The transient analysis and simulation studies in time - domain showed that the transient capacitance current of busbar is unable to be caught due to the limitation of the given sampling frequency, therefore the transient current singularity of the fault line and the non - fault line will approximate, which prevents to identify the fault line with the criterion calculation result of transient current protection

    研究結果表明，線路出口故障時暫態電流保護完全失去選擇性的根本原因是，在給定的采樣頻率的限制下，難以捕捉到過渡過程中極其短暫的母線分佈電容中的暫態電流，從而故障線路與非故障線路暫態電流波形的奇異性相近，根據故障線路和非故障線路的暫態保護判據計算結果不能正確識別故障線路。
  14. By digital simulation and detection of gearbox fault signal the detection effect of the novel bilinear time - frequency transform is validated for the transient components in complex signal

    通過數字模擬實驗與齒輪箱故障信號檢測，驗證了新的雙線性時間頻率分佈對復雜信號中瞬時分量的探測效果。
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