故障概率分析 的英文怎麼說

中文拼音 [gùzhànggàilǜfēnxī]
故障概率分析 英文
fpa failure probability 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
  • 概 : Ⅰ名詞1 （大略） general outline 2 （神氣） manner of carrying and conducting oneself; deportment ...
  • 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
  • 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...
  • 概率 : [數學] probability; chance概率論 probability theory; theory of chances; 概率曲線 probability curv...
  1. After analyzing the character of risk, i introduce data mining method into risk management, to solve the contradiction between great capacity of data and lack of information, the methods include mathematics statistics and artificial neural network ( ann ). then, i study on the methods of risk management in risk identification, risk evaluation and risk disposal, what is advanced, fault tree analysis method based on fuzzy probability, stochastic simulation method and the topsis method based on interval number all consider the characteristic of risk. finally, i discussed the application of information system ( mis ) in project risk management, and developed a risk management information system

    論文在深入分析了風險特徵之後，將數據挖掘技術引入風險管理，用以解決海量數據與貧乏信息之間的矛盾，所採用的技術有數理統計和人工神經網路（ ann ）兩種方法；接著，論文對風險識別、風險評價、風險處理中的風險管理方法進行了研究，所提出的基於模糊概率的故障樹技術、隨機模擬技術和基於區間數的topsis方法都體現了風險管理的特點；最後，論文對信息系統（ mis ）在工程項目風險管理中的應用進行了探討，開發出一個風險管理信息系統。
  2. The probability and unconditional failure intensity of top event was computed in the quantitative analysis of fta based on bdd

    在基於bdd的故障樹定量分析研究中，實現了頂事件發生概率和絕對失效強度的求解。
  3. It is concluded that the analysis is conducive to setting up an effective risk protection and management for the oil depot

    依據故障樹分析的結論提出了降低頂事件概率的防範措施，為油庫的風險管理提供科學依據，並可為其它油庫項目的火災爆炸事故分析提供參考。
  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. 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。
  6. 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。
  7. 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。
  8. Stochastic and uncertain performance of power systems is thoroughly studied with a probabilistic simulation method in this paper. based on modeling of element failure and dispatching measures, static, dynamic and integrated securities are analyzed, and hence operation states are quantitatively classified. in probabilistic static security assessment, sequential and non - sequential monte - carlo sampling techniques are applied considering time varying parameter and constraints

    本文採用概率模擬方法，深入研究了電力系統運行中的隨機和不確定特性，在對元件隨機故障和調度控制措施建模的基礎上，對系統的靜態安全、動態安全和綜合安全進行概率評估，建立了電力系統運行狀態的量化分析模型。
  9. Assisted with the sensitivity of the linear analog circuits, the feasibility of parametric faults detection was analyzed through the maximum fault errors acquired at the sensitive frequencies, a stimulation matrix and its stimulation expression were put forward on the test points information

    摘要從線性模擬電路靈敏度的概念入手，分析了通過獲取敏感頻點激勵下的最大故障誤差來檢測電路參數故障的可能性，提出了一種針對測試頻率和測點信息的激勵矩陣。
  10. Based on research of theory and methods, this thesis presents design scheme of the dynamic fault tree analysis platform dfta and implement the platform ; practices a dynamic fault tree analysis example of boeing 707 plane engine oil indication system and alarm system on the platform and gets top event occurrence rate 、 minimal cut sequence 、 probability importance sequence 、 structure importance sequence and critical importance sequence and presents system improvement suggestion based on the analysis results

    在理論方法研究的基礎上，本文提出了動態故障樹分析平臺dfta的設計方案，並進行了實現;利用該軟體對波音707飛機發動機滑油壓力指示和警告系統進行了動態故障樹實例分析，得到了頂事件發生概率、最小順序割集、概率重要度排序、結構重要度排序、關鍵重要度排序等分析結果，並根據上述分析結果提出了系統設計改進建議。
  11. Abstract : fault tree analysis is introduced about diagnosing fault in the electromechanical equipment. the qualitative and quantitative analysis is made to the structure and action of the fault tree analysis. this paper presents logical relationship between the element fault and system fault. general formulas are deduced from system reliability and the probability of the system fault

    文摘:介紹了機電設備的故障樹分析法，對故障樹的構成及其作用作了定性及定量的分析，指出了元器件的故障與系統故障的邏輯關系，並給出了系統故障概率計算公式及實例。
  12. In the aspect of the selection of fuzzy probability of bottom event, the concept of the basic condition in the priority of selecting the fuzzy number model is brought forward, and traits of the fuzzy number model is analyzed and compared. the reason that the accurate probability is replaced with the probability of linear fuzzy number is elucidated. and the definition and arithmetic of the logic gate fuzzy arithmetic operators is established

    在模糊故障樹分析法選擇底事件模糊概率方面，本文提出了優先選擇模糊數模型的基本條件的概念，分析比較了各種模糊數模型的特點，闡明運用線性模糊數概率取代精確的概率值的理由，並根據模糊數（ f數）及其運算規則，導出邏輯門模糊運算元定義及演算法。
  13. This paper describes a method in environmental risk assessment ( era ) - fault tree analysis ( fta ), and applies it to an oil - fuel depot at sheshan township of nanjing city, in close vicinity of the yangtze river

    摘要將故障樹分析法應用於南京攝山油庫火災爆炸事故的環境風險評價，構建了油庫火災爆炸故障樹，確定最小割集，進行結構重要度分析，計算汽油罐發生火災爆炸的概率，並對各基本事件的概率重要度進行了分析。
  14. Abstract : the attention has focused on quantifying the capability of nondestructive testing ( ndt ) system for guaranteeing structural safety through damage tolerance analysis. a method of reliability assessment for engine blades ndt is presented, which can determine exactly the probability of flaw detection （ pod ） and assess the probability of flaws missed （ pom ） in the engine blades, as well as control the largest size of the flaws missed at inspections with high probability of flaw detection and confidence level. this method also raises the flaw detection probability and prevents the flight accidents caused by the missed flaws in engine blades

    文摘:提出了一種發動機葉片無損檢測可靠性分析方法，利用該方法可以有效地提高葉片中裂紋（缺陷）的檢出概率（ pod ） ，並能對裂紋的漏檢概率（ pom ）進行準確地評估和控制，使因葉片裂紋漏檢而引起發動機故障的可能性降至最低程度，從而確保發動機的安全運行；該方法簡單方便，易於工程實施和應用。
  15. While in pratical applications, the esd method still has drawbacks in graphical modeling capability, connections with products " structures, size control of esd models, and etc. through in - depth study of the esd method, this paper systematically describes the framework and its basic modeling elements of esd, explains the principles of risk modeling, gives the mathematical model of the basic modeling elements of the esd framework to support the quantitative analysis of the esd model. based on the research above, this paper expands the esd framework, which includes : to overcome the drawback in graphic modeling capability of the esd method, the paper invents some new logical modeling symbols like " n / k " gate, sequence gate, expandable gate and constraint, those enrich the modeling capability of the esd method. to overcome the drawbacks in connections with products " structures and size control, the paper explains the multi - layered modeling principles based on the esd

    在上述研究基礎上，對esd框架進行了擴展，包括：針對esd圖形建模能力的不足，提出了「 n中取k門」 、 「順序門」 、 「可擴展門」以及「限制」等新的邏輯建模圖形符號，豐富完善了esd的建模元素；針對esd模型與產品結構關聯及規模控制方面的局限，提出了基於esd的層次化建模原理，使得可基於esd進行層次模塊化建模；針對esd與其它安全風險分析技術的綜合運用問題，分別討論研究了與故障樹分析技術、馬爾科夫狀態轉移圖集成的esd ft和esd m方法，提高了esd建模的靈活性；針對動態系統風險評價模型的求解問題，討論提出了運用esd求解動態概率風險評價問題的解析解或近似解析解方法，並予以了示例說明。
  16. 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故障現象，本文首先分析了發動機冷起動參數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，針對發動機冷起動故障診斷的具體實例，構造了基本概率分配函數，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數自動同步測試的軟體硬體開發。
  17. Having analyzed the failure - free working possibility of the main frictional mates in gas outfits of automobiles, it is the life of the said frictional mates that directly affects the reliability of the whole engine

    由發動機配氣機構主要摩擦副無故障工作的概率分析得知，搖臂機構摩擦副的使用壽命直接影響了整機運行的可靠性。
  18. 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函數法概率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故障診斷。
  19. 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。
  20. 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。
分享友人
分享到 Line

分享到臉書