fault n. 1.过失,过错;罪过,责任。 2.缺点,缺陷,瑕疵。 3.(猎狗的)失去嗅迹。 4.【电学】故障,误差;漏电;【地质学;地理学】断层。 5.【网球】发球出界;犯规。 Faults are thick where love is thin. 〔谚语〕一朝情义淡,样样不顺眼。 fault detection 【机械工程】探伤。 The fault is his own. 这是他自己的错。 a grave fault in a theory 理论上的重大缺陷。 a fault in the machine 机械故障。 image fault 【物理学】像差,影像失真。 numerical faults 数值误差。 a fault on the right side 因祸得福。 be at fault 1. (猎犬追捕猎物等时)失去嗅迹,踌躇不前;不知所措,正在为难。 2. 出毛病,有故障。 3. = in fault (My memory is at fault . 我想不起来了)。 find fault in 看出…缺点。 find fault with 找…的岔子。 have no fault to find with 无错可寻。 hit off a fault (猎狗)闻出(曾一度错失的)嗅迹。 in fault 有过错,有责任 (Who is in fault 是谁的不是?)。 to a fault 过度,极端 (He is kind to a fault. 他过分老实)。 whip a fault out of sb. 鞭打某人使之改过。 with all faults 不保证商品没有缺点。 without fault 〔古语〕无误,确实。 vi. 1.【地质学;地理学】产生断层;有断层余迹。 2.发球出界;犯规。 3.〔方言〕责备,挑剔。 4.〔古语〕犯错误,做错。 vt. 1.找…的岔子,挑剔;〔方言〕责备。 2.【地质学;地理学】使产生断层。 3.把…做错。 He faulted my speech in two ways. 他认为我的讲话有两点不妥。 fault one's performance 表演发生失误。
dynamic adj. 1.动力的,动力学的;力学(上)的;动(态)的;起动的。 2.有力的,有生气的;能动的;(工作)效率高的。 3.【音乐】力度;强弱法的。 4.【医学】机能(上)的。 5.【哲学】动力论的,力本论的。 a dynamic personality 活跃的性格。 a dynamic atmosphere 生气勃勃的景象。 a dynamic population 动态人口。 n. 〔限指 dynamic〕 (原)动力;动态。 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 该方法首先将动态故障树模块化,得到独立的静态子树和动态子树,再分别用二元决策图法和马尔可夫过程方法求解。
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 该方法首先将动态故障树进行模块化,得到独立的静态子树和动态子树,再分别用二元决断图法和马尔可夫过程方法求解。
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 结合实时分布系统中容错任务的特点,根据容错调度原理,给出了容错任务的调度模型、实现机制及动态容错调度算法ftpb ,并对算法进行了复杂哈尔滨工程大学博士学位论文; ; ; ; ;二; ; ; ;奋石石奋; ;性分析,给出了算法实验数据及与其它同类算法的比较结果。
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 本文着眼于动态故障树在系统可靠性建模及定性定量分析中的技术,研究了基于bdd的静态子树分析方法、基于马尔可夫模型的动态子树分析方法以及动态故障树模块化方法,并提出了基于威布尔分布的动态故障树顶事件发生概率计算方法;提出了一种完全脱离马尔可夫模型的求解动态故障树顶事件发生概率的方法和一种最小顺序割集的生成方法。
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 为了避免由于机械故障或人为误操作等原因,对昂贵的测量探针组以及光刻平台等精密运动器件造成损坏,对光刻平台系统进行了可靠性设计,使其具有了动态故障自诊断和自保护功能,保护了光学系统、光刻平台和测量精密探针组的安全。
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 在理论方法研究的基础上,本文提出了动态故障树分析平台dfta的设计方案,并进行了实现;利用该软件对波音707飞机发动机滑油压力指示和警告系统进行了动态故障树实例分析,得到了顶事件发生概率、最小顺序割集、概率重要度排序、结构重要度排序、关键重要度排序等分析结果,并根据上述分析结果提出了系统设计改进建议。
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 本文着眼于动态故障树在系统可靠性建模及定性定量分析中的技术,主要研究动态故障树模块化方法,介绍了基于bdd的静态子树分析方法,重点研究动态子树的分析方法? ?马尔可夫链法。