arithmetic fault 中文意思是什麼

arithmetic fault 解釋
運算錯
  • arithmetic : n. 1. 算術,演算法;計算。2. 算術書。
  • fault : n 1 過失,過錯;罪過,責任。2 缺點,缺陷,瑕疵。3 (獵狗的)失去嗅跡。4 【電學】故障,誤差;漏電...
  1. This paper mainly aims at the characteristics of the hardware and software structure of the parallel computer on satellite, and has fulfilled researches of fault tolerant technique in three aspects of control theories and engineering : the first research of the system level fault - tolerant module is based on the system structure of the parallel computer on satellite, a kind of cold backup module and a kind of hot backup module for multiprocessor computer have been put forward. then the research of software fault tolerant technique which is based on the operate system named rtems has been carried, the mission level fault - tolerate arithmetic and the system level fault - tolerate mechanism and strategies based on the check point technique have been put forward, at the same time the self - repair technique of software which has used the technique of system re - inject has been studied. finally the technique of components level fault - tolerant based on fpga has been studied, a kind of two level fault - tolerant project which aims at the fault - tolerant module of the parallel computer on satellite has been put forward, and the augmentative of circuit that project design realization need is little, this project can avoid any breakdown of any part logic circuit of the fpga

    本課題主要針對星載并行計算機體系結構及軟體結構的特點,從如下三個方面進行了容錯控制理論研究和實踐工作:首先進行了基於星載多cpu并行計算機體系結構的系統級容錯模型研究,提出了一種多cpu冷備份容錯模型和一種多cpu熱備份容錯模型;然後進行了基於rtems操作系統的軟體容錯技術研究,提出了任務級容錯調度演算法以及基於檢查點技術的系統級容錯恢復機制和策略,同時研究了利用系統重注入進行軟體在線自修復的容錯技術;最後研究了基於fpga的部件級容錯技術,提出了對容錯模塊這一星載并行計算機關鍵部件的兩級容錯方案,實現該方案所需增加的電路少,可避免板級晶元以及fpga晶元內部任何邏輯發生單點故障。
  2. Based on fault diagnosis theory, network theory, matrix theory and computer arithmetic, a method of optimized erosion diagnosis for medium or large - scale grounding grid is discussed in this paper

    本文所研究的中大型接地網腐蝕優化診斷方法是將故障診斷學原理、網路理論、矩陣理論及計算機演算法結合起來,應用於接地網腐蝕診斷這一工程實際問題。
  3. The urban traffic trunk is regarded as a large system, and the subsystems are the intersections in the trunk. then we desipi a two - level coordinated fuzzy control method and use ann to implement the fuzzification, fuzzy inference and defuzzification. the arithmetic homs the strongly self - adapt, self - learning and fault - tolerant function

    3 )把城市交通干線作為一個大系統,子系統為干線上的各個交叉口,在此基礎上,設計了一種城市交通干線的兩級模糊協調控制演算法,並用bp神經網路實現控制器的模糊化、模糊推理和清晰化三個部分,系統具有較強的自適應、自學習和容錯性。
  4. 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。
  5. Based on the analysis of the magnetic characteristics, an artificial nerural network can be built and the fault samples can be gained by theoretical arithmetic. the results of computation example show that the method can not only judge if shorted field turns exit but also estimate fault turns ratio

    根據該結論構建了發電機故障診斷的神經網路,並直接獲得發電機在額定運行工況下對應的故障樣本,用於故障診斷,不僅對轉子繞組匝間短路故障的存在性,還對故障的嚴重性做出了正確的判斷。
  6. 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。
  7. This paper researches the non - direct - grounded system fault detection from software arithmetic view, whose main content is as follows : the paper analyses the system running characters before and after fault. and the paper analyses the fault transient signal and fault steady signal and all parts in fault steady signal after the single line - to - earth fault occurs, and discovers the fault laws and appearance of fault signal. the analyzing of the fault laws and fault phenomenon of non - direct - grounded system all above is the base of analyzing arithmetic

    本文針對小電流接地系統選線的問題,從軟體演算法的角度進行了研究,主要內容如下:對小電流接地系統故障前和故障后系統的運行特點進行了分析,並且對小電流接地系統發生單相接地故障后,故障暫態信號、故障穩態信號以及故障穩態信號的各種成分進行了深入的分析,找到了故障的規律以及其故障信號的表現形式,為對各種演算法的分析比較打下了基礎。
  8. Applying relative arithmetic to all kinds of faults and calculating off - line, we can master time - distance relation chart for all kinds of faults. computation indicates : when transmission lines occur faults, the data window of protection algorithm consisting of prefault and postfault data at the same time has important significance. the following methods are useful to achieve the inverse time characteristic : calculating impedance by using flourier in a full cycle, calculating work voltage by using fault component, calculating the torque created by a phase comparator or a magnitude comparator

    實際的計算表明:輸電線路發生故障后,用故障前後的數據同時充滿保護演算法的數據窗,對于快速切除近區故障具有很重要的意義;同時利用故障前後的數據,下述方法可以比較好地實現距離保護的反時限特性:直接用全周傅里葉演算法進行阻抗計算;採用工頻變化量阻抗繼電器進行工作電壓的計算;採用轉矩的思想進行轉矩的計算。
  9. One is field fault diagnosis system, whose core arithmetic is back propagation neural network ; the other is remote fault diagnosis system, whose core arithmetic is fault tree. in this system, the database was used to save the fault knowledge and related information

    現場診斷的核心是神經網路技術,通過對bp神經網路的分析,初步建立了檢測線的神經網路診斷系統,並以制動臺的故障監測與診斷為例,重點介紹了建立過程及診斷效果。
  10. The research job includes bringing a project about fault calculation, using node impedance matrix as maths model of network to derive the arithmetic based on the fundamental of modifying impedance matrix by adding the branch, building the whole database with micosoft access. the whole project is realized with visual c + + 6. 0. it is applied to au hui electric network, and is proved correct

    本文首先根據系統的要求,綜合考慮各種運行方式變化,提出合理的零序電流,分支系數的計算方案;然後採用節點阻抗矩陣作為系統的數學模型,推導出基於支路追加法的阻抗矩陣快速補償優化演算法,從而實現計算方案;最後以micosoftaccess為工具設計出完整的故障計算數據庫。
  11. Not only fault model, but also test arithmetic demand to be farther improved. the thesis, focusing on the 20 - port register file, makes a fault analysis, particularly in complex bridge fault and crosstalk coupling fault aroused by word - line and bit - line of 20 - port

    本文針對所設計的寄存器文件進行了故障分析,特別對20埠字線、位線引起的復雜橋接故障和串擾導致的耦合故障進行了詳盡論述。
  12. Suborninate node complete picking up equipment fault information and making machine learning arithmitics, and transmitting equipment condition information operated to principal node or the other subordinate node by the way of wireless data transmitting device, at the same time, it can receive the information of optimized model arithmetic and equipment condition parameter from principal node

    從節點內完成設備故障信息的提取和機器學習演算法,並將運算后的設備狀態信息通過無線數據傳裝置傳送到主節點或其它從節點,同時也可以接受來自主節點的優化建模演算法和設備狀態參數設置等信息。
  13. Through researching these characteristics of real - time data received deeply, some good measures are put forward and accepted to improve the fault - tolerance performance of the fault diagnosis system in the thesis, such as advance disposing of real - time switch information and instauration of dummy switch etc. based on the data information received, three starting arithmetic is developed in the thesis

    本文在深入研究決策系統接收到的實時數據信息特點后,針對不同的情形進行不同的處理,它們是:對故障前後信息及故障時跳閘開關信息的確定、實時開關變位信息的預處理、虛擬開關的設立等。從投入現場運行以來,這些處理方法取得了良好的預期效果,提高了故障診斷系統的容錯性和抗噪聲能力。
  14. This thesis is mainly concerned with how to apply to monitoring online and fault diagnosis with the transducer technology, signal receiving and processing technology, artificial neural network and bp arithmetic, fault diagnosis technology, structure dynamics, matlab software, supersap software, dsps system. when the structure is excited, the monitoring system can automatically pick up signals, gain feature parameters. the well - trained bp artificial neural network, can determine whether the structure has fault when the parameter is input into it

    本文主要研究如何運用傳感器技術、信號提取和信號處理技術、人工神經網路及bp演算法、故障診斷和結構動力學知識、 matlab軟體、 supersap軟體、 dsps系統,對結構進行在線監測,當結構受激勵時,監測系統就會自動採集信號,獲得特徵參數,將特徵參數輸出訓練好的bp人工神經網路,就可以診斷結構是否有故障。
  15. While soe information is perfect, the starting arithmetic is used with soe general signal ; by contraries, if soe information is not perfect, another conjoint starting arithmetic is used with the fault general signal in soe information and relay action signal in yx information. in addition, through discussing the action mechanism of chz, difference of permanent fault and impermanent fault is ensured in fault starting

    在對現場實際接收信息進行分析的基礎上,提出三種故障診斷程序啟動方法,並根據現場實際情況應該優先選擇:當soe事故信號信息完善時,用soe事故信號作為啟動方法;若soe事故總信號信息不全,用soe事故總信號與相應遙信信息相結合的啟動方法。
  16. The main tasks of this thesis are as follows : ( 1 ) a two - terminal fault location arithmetic based on the synchronization sampling of gps has been brought up. ( 2 ) because of the cost of gps and the truth that there is phase difference of two - terminal, the two - terminal fault location arithmetic is faced up with facts that how to keep the sampling data of two - terminal synchronous. according to that, two new methods are proposed, which do n ' t need the synchronized sampling data of two - terminal

    全文主要工作如下: ( 1 )利用全球定位系統gps的授時功能,提出了基於gps同步采樣的雙端故障測距演算法; ( 2 )由於增加gps硬體設施,造價比較高,且客觀上雙端數據存在著不同步相差,雙端故障測距法所面臨的主要問題是兩端數據采樣的同步問題,針對這一問題,本文又提出了兩種不需要兩端數據采樣同步的工頻故障測距新方法,基於powell方向加速法和基於遺傳演算法的故障定位演算法。
  17. At last, the sensor fault diagnostic software of liquid rocket engine ground test system is developed successfully, including the designs of arithmetic, database and interface software

    本文開發了液體火箭發動機試車臺傳感器故障診斷系統,包括演算法實現、數據庫設計和用戶界面設計。
  18. Therefore, based on formers " research and recurring to the rather strong ability of holding mistakes possessed by rough set theory, this paper present a new attribute reduction arithmetic as well as an improved value reduction arithmetic based on the combination of rough set theory and duality boolean calculation, and use it to handle the reduction progress of the decision table including all kinds of fault cases which is established by considering the signals of protection relays and circuit breakers, then form the general mixed knowledge model and bring up an idea about automatic production of decision table

    為此,本文在前人研究的基礎上嘗試藉助粗糙集理論所具有的較強的容錯能力,提出了基於粗糙集理論與二值邏輯運算相結合的屬性約簡演算法以及改進的值約簡演算法,並將其應用於由斷路器和保護為條件屬性,考慮各種故障情況所組成的診斷決策表的約簡過程中,形成了混合策略知識模型,同時提出了診斷決策表自生成的基本思想。
  19. The system has a so good compatibility that it can analyze the network fault of many manufacturers " equipment. secondly, the monadic regressive analysis arithmetic of analyzing capability trend is designed and implemented. the method has a higher veracity and is implemented easily for forecasting capability trend

    同時,該系統也有很好的兼容性,能對多家廠商的設備故障進行分析; 2 )設計並實現了性能趨勢的一元回歸分析演算法,該方法對性能趨勢的預測具有較高的準確率而且容易實現。
  20. The current break arithmetic and net arithmetic use fault steady signal as defection gist which is steady and easily identified, and the two arithmetic inherits the excellence of the tradition breadth comparing and phase comparing, which overcomes the effect of the changing of the system parameters which brings the difficult for fault defection

    電流突變量演算法和網路演算法以故障后穩態基波信號作為選線依據,信號穩定,容易識別,並且這兩種演算法吸取了傳統比幅比相演算法的優點,有效的克服了系統參數變化等影響帶來的選線困難。
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