最小割集 的英文怎麼說

中文拼音 [zuìxiǎo]
最小割集 英文
minimum cut-set
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : Ⅰ形容詞1 (體積、面積、數量、強度等不大) small; little; petty; minor 2 (年紀小的; 年幼的) youn...
  • : 動詞(截斷) cut; mow
  • : gatherassemblecollect
  1. By analyzing the topology of an interconnected power system, chapter 3 of this thesis derives the spanning tree, and builds the corresponding minimal cut set. by combining the results from the graph theory with the reliability indices of the individual reparable components, the reliability indices at the load point can be obtained, and the reliability indices for the whole system are deduced

    本文的第三章從單個可修復元件的可靠性指標出發,在分析電網路的拓撲結構的基礎上,利用一定的演算法求出其對應的生成樹,根據生成樹和最小割集之間的對應關系,得到整個電網路的最小割集
  2. Abstract : the complexity of tree set analysis for network was compared with that of minimum cut set analysis. if was illustrated by an example that the analysis method based on minimum cut set is the best approach for the availability analysis of network

    摘要:對網路分析的樹分析法與最小割集分析法的復雜性進行了比較,並示例說明以最小割集為基礎進行網路可用性分析是佳的技術途徑。
  3. The paper proposes a method for reliability evaluation of distr i but ion systems, which takes many real factors into consideration, and then programs relevant software

    本論文是在綜合考慮影響配電系統可靠性各種因素的基礎上,採用了一種基於最小割集的配電系統實用的可靠性評估方法,並編制了相應的應用程序。
  4. This thesis explains the necessity of the character recognition technology of the computer at first, describe the meaning in which the handwritten numeral discerns ; pretreatment technology of handwritten numeral recognition, including two value, line segmentation, word segmentation smooth, removing noising, standardization and thinning are discussed two value concretely discusses whole threshold value, some threshold value, dynamic threshold value and utilize space information to carry on threshold, which are several kinds of common method of choosing threshold value, especially utilize space information to carry on threshold value is describe in detail ; adopting to the foundation of thinning based on mathematics morphology, thinning algorithm of serials same and thinning algorithm of protecting shape are discussed ; afterwards, according to principle ' s diagram of the on - line character recognition, by analyzing the structure feature of the handwritten numeral, this thesis has proposed the online recognition te chnology of the free handwritten numeral based on the stroke feature and the online recognition technology of the free handwritten numeral based on the multistage classifying device. detail narrated noise removing, stroke characteristic definition and discernment, distance criterion of whole word match ; then under the foundation of handwritten numeral segmentation, off - line handwritten numeral recognition is researched. especially minimum distance classifying device, tree classifying device and adaptive resonance ( art ) network classifying device is discussed at the same time, believes degree analyses are introduced to integrate a lot of classifying devices ; at the end, the typical application of the handwritten numeral recognition was briefly narrated, its application in extensive data statistics, financial affairs, tax, finance and mail sorting have been explored

    二值化時對整體閾值二值化、局部閾值二值化、動態閾值二值化和利用空間信息進行閾值選取幾種常用的閾值選取方法進行討論,特別對利用空間信息進行閾值選取進行了詳細論述;在對通過對基於數學形態學的細化的基礎上,討論序貫同倫形態細化演算法和保形的快速形態細化演算法;然後依據聯機字元識別原理框圖,分析了手寫數字的結構特點,提出了基於筆劃特徵的任意手寫數字在線識別技術和基於多級分類器任意手寫數字在線識別技術,對其中涉及的筆劃識別前的噪聲處理、筆劃間特徵量的定義及識別、整字匹配的距離準則進行了詳細敘述;繼而在對手寫數字的分的基礎下對脫機手寫數字識別進行了研究,對基於距離分類器字元識別、基於樹分類器的字元識別、基於自適應共振( art )網路的字元識別分別進行了詳細討論,並引入置信度分析將多個分類器進行了混合成;後簡單闡述了手寫數字識別的典型應用,對其在大規模數據統計、財務、稅務、金融及郵件分揀中的應用進行了探索。
  5. After then, a new method of solving the minimal cuts of s - coherent tree based on bdd and prime number was given in the qualitative analysis of fta based on bdd, the prime implicant sets of non s - coherent tree was calculated by an iterative method

    再次,在基於bdd的故障樹定性分析研究中,提出並實現了基於bdd和素數法相結合的單調關聯故障樹最小割集求解的新方法,用迭代法實現了非單調關聯故障樹質蘊含的求解。
  6. The minimal path sets and the minimal cut sets are the key tools to evaluate the network reliability, which divide the system states into two : success ( s = 1 ) and failure ( s = 0 )

    網路的最小割集分別從成功( s = 1 )和失敗( s = 0 )的不同角度描述了網路的不同狀態,是網路可靠度求解的關鍵。
  7. 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順序的生成方法。
  8. 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。
  9. 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、順序、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。
  10. This paper trice to find the cause of effective ness loss and to analyze it theoretically by adopting the ways of quantitative analysis and quantitative analysis by using the way of fault tree to carry out the qualitative analysis, it draws the logic charts by various elements that cause the loss of effectiveness and to make a faucet tree to find out the loss programs, then make a final analysis of the smallest element of the fault tree. the first problem is due to the over friction by exceeding permitted limits ; the second problem is due to the gear feather ' s low inteusity, this paper adopts the method of changing the trans mission ratio of the first gear and the width of the sixth gear of second shaft so as to solve the problems

    本文採用定性和定量相結合的方法,利用失效樹進行定性分析,它通過對可能造成系統失效的各種因素,畫出邏輯框圖,從上到下繪成失效樹,找出失效譜,並對失效樹的全部最小割集進行分析,找出有可能的失效原因,再對其通過理論計算進行定量分析,由此發現第一個問題是由於離合器在極限狀況下的滑磨功超過其許用值造成的,第二個問題的原因是二軸六檔齒輪強度不足。
  11. Many practical factors, such as effects of line fuses protection, disconnected switches, scheduled maintenance, spare electrical source, spare transformers in distribution system, are considered in the assessment arithmetic. in the assessment, it is more practical that low - voltage power system is equivalent to an element on the lateral section of mid - voltage system. especially, the minimal cut - sets are divided into direct cuts and indirect cuts, which makes the effects of elements in cuts on system more legible and exact

    演算法考慮了分支線熔斷器保護、隔離開關、計劃檢修、備用電源、有無備用變壓器的影響,將低壓系統等效為中壓系統分支饋線上的一個等效元件進行評估,使得該方法更符合實際,特別是,將最小割集分為直接和間接,使元件的影響更加清晰準確,並以c + +語言編制了計算軟體。
  12. 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。
  13. It firstly utilizes the characteristic of layout geometric information to partition the global network into some sub networks. after these sub networks are compressed by cholesky factorization, the sub networks edge nodes are combined with other nodes. calculating the final linear equations group, the algorithm can be very effective

    演算法首先利用版圖幾何特徵,按原理將電源地網劃分成子網,利用對稱正定矩陣cholesky分解壓縮子網內點;將子網等效成與網路其它部分連接的結點的等效網路,後通過計算壓縮后的網路,獲得線性方程組求解答案。
  14. Then we look for the minimal segmental sets of the created fault tree

    然後對建好的故障樹尋找最小割集
  15. Finally, the realization algorithm is accomplished according to the minimal segmental sets

    後根據最小割集確定故障診斷的實現演算法。
  16. The paper proposes a method for reliability evaluation of distribution systems which takes many real factors into consideration, and then programs relevant software

    本文是在綜合考慮影響配電系統可靠性各種因素的基礎上,提出了一種基於最小割集的配電系統實用的可靠性評估方法,並編制了相應的應用程序。
  17. The theory of minimum cut sets and its application in accident analysis are described with emphasis on putting forward the importance analysis of the weighted structure in sequence gradation of the bottom events of the fault tree

    闡述最小割集理論及其在事故分析中的作用,著重提出了對故障樹底部事件進行排序分級的加權結構重要度分析法。
  18. The assessment method integrates the series equivalent approach and minimal cut - set to evaluate the reliability of electrical distribution net which consists of mid - voltage and low - voitage net on the assumption that there are sufficient and accurate datum

    評估計算中,假設所獲得的數據和資料充足、準確,採用串聯等值法與最小割集法結合,進行包括中、低壓的供電網路的可靠性評估。
  19. Firstly, reliability models of different element are built in the paper. secondly, the reliability parameters of virtual series element on the main feeders are computed by series equivalent method. lastly, indices of different load points are calculated by the method of minimal cut - set

    文中首先建立了不同元件的可靠性模型,其次通過串聯等值法求取各主饋線上的虛擬串聯等值元件的可靠性參數,後應用最小割集方法計算各負荷點指標,從而得到系統各項可靠性指標。
  20. The minimum cut set of the fault tree was obtained, the major dangerous factors in the explosion elimination processing of lpg tanks were realized, and the corresponding prevention measures to ensure the safety of the explosion elimination processing were suggested

    通過對液化石油氣儲罐銷爆處理過程中潛在危險因素的系統分析,得到了事故樹的各階最小割集,確定了液化石油氣儲罐銷爆過程中的主要危險源,提出了相應的安全預防措施,保證了該化工廠液化石油氣儲罐銷爆過程中的安全。
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