模式故障率 的英文怎麼說

中文拼音 [móshìgùzhànglǜ]
模式故障率 英文
mode failure rate
  • 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
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 模式 : model; mode; pattern; type; schema
  • 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. The thesis presents a expert system for identifies power quality disturbance signal, after compare the artificial neural network, nearest neighbors, fuzzy decision, and expert system. we bring forward the project flexible rule - based expert system, according to the characteristic inspection and measure system, and has a deep research on the problem of this system. this project for disturbance classifies has lower mistake ratio and facility maintenance

    採用專家系統的方法進行模式識別，在對神經網路、最近鄰法、模糊邏輯和專家系統及一些交叉方法等模式識別方法進行比較分析的基礎上，根據電能質量信號故障分析的特點，提出了採用規則基專家系統的方法，該模式識別方法具有便於擴展、修改和識別率高等特點。
  2. Procreant knowledge expression and forward inference engine are adopted in the method of fault diagnosis based on expert system theory. in the fault diagnosis applying neural network theory, six kinds of improved arithmetic of back - propagation arithmetic, including gradient descent with momentum, variable learning rate back - propagation, resilient back - propagation, quasi - newton, levenberg - marquardt and conjugate gradient, are applied to diagnose the faults of electric load manage center and solid state power controller. different diagnostic results gotten by simulation are compared at last

    在基於專家系統的故障診斷方法中，採用了產生式知識表達和正向推理機制；在基於神經網路的故障診斷方法中，則分別採用了bp神經網路的附加動量法、自適應學習速率、彈性bp演算法、擬牛頓法、共軛梯度法和levenberg - marquardt法對電氣負載管理中心和固態功率控制器的故障進行診斷，並對由模擬得到的不同診斷結果進行比較。
  3. With the development of the network and the multi - processor system, the research, simulation and the impemeni of the system - level fault diagnosis which is the very important means to increase the reliability of the system, are becoming more and more important. on the system - leve1 fault diagnosis, based on the group theory of system - level fault diagnosis that has been put forward by pro f zhang, the paper constructs newly the theory bases, improves on the matrix method, reinforces and consummates group arithmetic of all kinds of test mode, for the first time, analyses and discusses the equation solution of all kinds of models, so al1 the consistent fault patterns ( cfp ) could be found, straightly and high efficiently, even if the sufficient and necessary condition of t - diagnosable is dissatisfied and the complexity of system - level fault diagnosis is greatly decreased, especialy in strong t - diagnosabl6 system. last the simulation system ' s function has been extended and the application hotspot and the development trend have been disscussed

    本人在張大方教授等人提出的基於集團的系統級故障診斷的理論基礎上，重新構建了系統級故障診斷的理論基礎，定義了系統級故障診斷測試模型的三值表示；改進了系統級故障診斷的矩陣方法，重新定義了測試矩陣、鄰接矩陣、結點對、結點對的相連運算、極大準集團和斜加矩陣，由此能直觀、簡便地生成集團和極大獨立點集；補充和完善了各類測試模型的系統級故障診斷的集團演算法，通過定義集團測試邊和絕對故障集，簡化了集團診斷圖，由此能較易地找到所有的相容故障模式，即使不滿足t -可診斷性，大大減少了系統級故障診斷的復雜度，尤其是對強t -可診斷系統；首次分析探討了各類測試模型的方程解決，由此從另一角度能系統地、高效率地求出所有的相容故障模式（ cfp ） ：擴充了系統級故障診斷模擬系統的功能，快速、直觀和隨機地模擬實驗運行環境，進行清晰和正確的診斷，同時提供大量的實驗數據用於理論研究，優化演算法和設計。
  4. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。
  5. 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

    在求解網路故障后重構問題時，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，並在適應度函數值的引導下在搜索空間進行自適應概率性全局搜索，直至獲得全局最優解。
  6. 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。
  7. A lot of papers about the report of probabilistic risk assessment of daya bay npp and system manuals has been read by the author and let as the basis. in this paper, based on the reliability analysis methods of failure mode and effect analysis and failure tree analysis, according to the result of event tree analysis of probabilistic risk assessment report of daya bay npp, the top events of the fault trees of reactor protection system and the success criteria were established. by using risk - spectrum procedure, the unavailability and the minimal cut - sets ( mcs ) of the fault trees were obtained

    本文在閱讀了大量的大亞灣核電站pra報告和各種系統手冊等資料的基礎上，採用fmea （故障模式和影響分析）和fta （故障樹分析）可靠性分析方法，依據大亞灣核電站pra事件樹分析的結果，建立了以緊急停堆失效和專設安全設施驅動失效為頂事件的故障樹，利用risk - spectrum程序，對所建的故障樹進行定量分析，計算，得到系統故障樹的失效概率和最小割集，從而為大亞灣核電站可視化風險分析軟體提供數據支持。
  8. Abstract : based on the analysis of the physical structure, operati ng principle and dynamic characteristics of the power unit of an excitation cont rol system, a model of this power unit is firstly established with bond graph app roach. the operation of this unit in both normal and abnormal conditions is simul ated on the platform of matlab with simulink. this simulation results have compar ed with the real operation behaviors

    文摘:在對同步發電機自並勵系統功率單元的物理結構、工作原理及動態特性進行分析的基礎上，建立了勵磁功率單元分散式物理圖網模型，並在matlab的simulink平臺上對勵磁功率單元正常和幾種故障情況下的工作進行了模擬研究，並與實際工作情況進行了比較
  9. This paper presents the conversion from dynamic logic gate to markov chain, the solution of dynamic subtree top event failure probability and the method of obtaining the failure mode of subsystem using markov model, that is sequence cutsets of the dynamic subtree. the typical approach to importance analysis of component is impractical for large systems in markov model, so this paper also provides a simple and intuitionistic graph solution based on markov chain

    論文研究了動態邏輯門向馬爾可夫鏈的轉化方法，利用馬爾可夫鏈法求解動態子樹頂事件概率，以及通過馬爾可夫狀態轉移圖直接找齣子系統的故障模式和薄弱環節，即得到動態子樹的順序割集。
  10. Aimed at the manufacturing mode in semiconductor manufacturing industry, by means of the implementation of statistic process control orientating procedure qualification rate, the failure control method of automatic mechanical equipment was achieved, and the beforehand control of failure monitoring was preliminarily realized

    摘要針對半導體製造業的製造模式，提出通過實施面向工序合格率的統計過程式控制制實現機械自動化設備的故障監控方法，初步實現了故障監控的事前控制。
  11. The rcd has three failure modes the reject - operation, the wrong - operation and the malfunction of handle. the reliability check should consider this characteristic and these failure modes. the success ratio r and the failure ratio a are applied as reliability criterion of rcd

    首先，針對漏電保護器不頻繁動作的保護電器的工作特點以及發生拒動、誤動故障及操作故障三類故障的失效模式，採用保護成功率r和失效率作為可靠性特徵量，並給出了可靠性特徵量的估計方法。
  12. From a reliability standpoint, raid - 0 has the same characteristics as linear mode - the more drives you add to the array, the higher the probability of volume failure

    從可靠性的立場來看， raid - 0模式與線性模式具有同樣的特徵- -向陣列中添加的驅動器越多，卷的故障概率就越高。
  13. As a basic energy of our counrry. the determination of calorific value of coal is very important to the excavation and efficient exploitation of energy. the traditional method of determination has many complicated coursese and always needs much work made by man. so the research of automatic calorie meter makes significentthrough the detailed analysis of principle and method of measurement, an automatic measuring instrument controlled by microcomputer is designed in this paper in order to take the place of manual operations. the instrument can almost do every operation by itself, such as the control of experimental progress, data collection, data computation and the printout of experimental results. furthermore, a distributing system of measurement building on field bus is designed too. under the control of personal computer, several calorie meters can work independently and simultaneously. on the other hand, a powerful measuring and control software is developed using visual computer language - visual basic and visual c + +

    設計不但能自動完成整個實驗過程的控制和實驗數據的自動採集，並且能自動完成數據計算和實驗結果的列印輸出。在此基礎上，本文進一步設計出了基於現場總線技術的分散式測試系統，將多臺自動熱量計置於一臺pc機的控制之下，極大地提高了測量的效率。並利用可視化語言visualbasic和visualc + +設計出功能強大的系統監控軟體，以動畫和實時曲線的形式動態模擬出整個實驗的進程（包括故障顯示） ，使得整個測量工作自動化、智能化。
  14. By redefining the cardinality of set, we establish the relationship between the domain / range ratio and the testability metric. pie model can help us doing white box test in unit test phase. based on the fault / failure model and conditional probability, a formula is found to get testability metric, with which we prove there is a max value in software testability metric

    在單元測試階段可以運用pie模型幫助進行白盒測試，本文在軟體的錯誤/故障模型的基礎上，運用概率論中條件概率的相關知識，建立了可測試性的一個計算公式，並使用該公式證明了軟體的可測試度存在一個最大值。
  15. 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。
  16. 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。
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