fault n. 1.過失,過錯;罪過,責(zé)任。 2.缺點,缺陷,瑕疵。 3.(獵狗的)失去嗅跡。 4.【電學(xué)】故障,誤差;漏電;【地質(zhì)學(xué);地理學(xué)】斷層。 5.【網(wǎng)球】發(fā)球出界;犯規(guī)。 Faults are thick where love is thin. 〔諺語〕一朝情義淡,樣樣不順眼。 fault detection 【機械工程】探傷。 The fault is his own. 這是他自己的錯。 a grave fault in a theory 理論上的重大缺陷。 a fault in the machine 機械故障。 image fault 【物理學(xué)】像差,影像失真。 numerical faults 數(shù)值誤差。 a fault on the right side 因禍得福。 be at fault 1. (獵犬追捕獵物等時)失去嗅跡,躊躇不前;不知所措,正在為難。 2. 出毛病,有故障。 3. = in fault (My memory is at fault . 我想不起來了)。 find fault in 看出…缺點。 find fault with 找…的岔子。 have no fault to find with 無錯可尋。 hit off a fault (獵狗)聞出(曾一度錯失的)嗅跡。 in fault 有過錯,有責(zé)任 (Who is in fault 是誰的不是?)。 to a fault 過度,極端 (He is kind to a fault. 他過分老實)。 whip a fault out of sb. 鞭打某人使之改過。 with all faults 不保證商品沒有缺點。 without fault 〔古語〕無誤,確實。 vi. 1.【地質(zhì)學(xué);地理學(xué)】產(chǎn)生斷層;有斷層余跡。 2.發(fā)球出界;犯規(guī)。 3.〔方言〕責(zé)備,挑剔。 4.〔古語〕犯錯誤,做錯。 vt. 1.找…的岔子,挑剔;〔方言〕責(zé)備。 2.【地質(zhì)學(xué);地理學(xué)】使產(chǎn)生斷層。 3.把…做錯。 He faulted my speech in two ways. 他認(rèn)為我的講話有兩點不妥。 fault one's performance 表演發(fā)生失誤。
dynamic adj. 1.動力的,動力學(xué)的;力學(xué)(上)的;動(態(tài))的;起動的。 2.有力的,有生氣的;能動的;(工作)效率高的。 3.【音樂】力度;強弱法的。 4.【醫(yī)學(xué)】機能(上)的。 5.【哲學(xué)】動力論的,力本論的。 a dynamic personality 活躍的性格。 a dynamic atmosphere 生氣勃勃的景象。 a dynamic population 動態(tài)人口。 n. 〔限指 dynamic〕 (原)動力;動態(tài)。 adv. -ally
Dynamic fault tree combines the advantages of both fault tree and markov model . dynamic fault tree is modularized into independent static sub trees and independent dynamic sub trees , then solved by bdd and markov model separately 該方法首先將動態(tài)故障樹模塊化,得到獨立的靜態(tài)子樹和動態(tài)子樹,再分別用二元決策圖法和馬爾可夫過程方法求解。
Dynamic fault tree exploits the relative advantages of both fault tree and markov model . dynamic fault tree is modularized into independent static subtrees and independent dynamic subtrees , then solved by bdd and markov model separately 該方法首先將動態(tài)故障樹進(jìn)行模塊化,得到獨立的靜態(tài)子樹和動態(tài)子樹,再分別用二元決斷圖法和馬爾可夫過程方法求解。
Because of no limitation to task granularity , ppa is especially suitable for scheduling fine granularity tasks ( also suitable for coarse and medium tasks of course ) , consequently helpful theoretically and practically for studying task schedule algorithm for rtdcs . according to the principle of fault - tolerant scheduling , combined with characteristics of tft in rtdcs , the paper puts forward the scheduling model of tft , corresponding implementation mechanism and the dynamic fault - tolerant scheduling algorithm ( namely ftpb ) and analyzes its complexity , with experimental data and contrast table compared with other analogic algorithm 結(jié)合實時分布系統(tǒng)中容錯任務(wù)的特點,根據(jù)容錯調(diào)度原理,給出了容錯任務(wù)的調(diào)度模型、實現(xiàn)機制及動態(tài)容錯調(diào)度算法ftpb ,并對算法進(jìn)行了復(fù)雜哈爾濱工程大學(xué)博士學(xué)位論文; ; ; ; ;二; ; ; ;奮石石奮; ;性分析,給出了算法實驗數(shù)據(jù)及與其它同類算法的比較結(jié)果。
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(tài)故障樹在系統(tǒng)可靠性建模及定性定量分析中的技術(shù),研究了基于bdd的靜態(tài)子樹分析方法、基于馬爾可夫模型的動態(tài)子樹分析方法以及動態(tài)故障樹模塊化方法,并提出了基于威布爾分布的動態(tài)故障樹頂事件發(fā)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(tài)故障樹頂事件發(fā)生概率的方法和一種最小順序割集的生成方法。
For some reasons such as mechanic fault and miss operation , the expensive measure stitches and fine laser trim table can be broken . in order to resolve this problem , this paper discuss reliability design , with which the laser trim table system can realized dynamic fault diagnose and self - protect , and it protect the optical system , laser trim table and measure stitches 為了避免由于機械故障或人為誤操作等原因,對昂貴的測量探針組以及光刻平臺等精密運動器件造成損壞,對光刻平臺系統(tǒng)進(jìn)行了可靠性設(shè)計,使其具有了動態(tài)故障自診斷和自保護(hù)功能,保護(hù)了光學(xué)系統(tǒng)、光刻平臺和測量精密探針組的安全。
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(chǔ)上,本文提出了動態(tài)故障樹分析平臺dfta的設(shè)計方案,并進(jìn)行了實現(xiàn);利用該軟件對波音707飛機發(fā)動機滑油壓力指示和警告系統(tǒng)進(jìn)行了動態(tài)故障樹實例分析,得到了頂事件發(fā)生概率、最小順序割集、概率重要度排序、結(jié)構(gòu)重要度排序、關(guān)鍵重要度排序等分析結(jié)果,并根據(jù)上述分析結(jié)果提出了系統(tǒng)設(shè)計改進(jìn)建議。
This paper focuses on techniques of dynamic fault tree in system reliability modeling and its qualitative and quantitative analysis . it studies the modularization of dynamic fault tree , presents bdd solution for static subtrees and studies markov chain solution for dynamic subtree briefly 本文著眼于動態(tài)故障樹在系統(tǒng)可靠性建模及定性定量分析中的技術(shù),主要研究動態(tài)故障樹模塊化方法,介紹了基于bdd的靜態(tài)子樹分析方法,重點研究動態(tài)子樹的分析方法? ?馬爾可夫鏈法。