最後控制元件 的英文怎麼說

中文拼音 [zuìhòukòngzhìyuánjiàn]
最後控制元件 英文
final control elemnt
  • : 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
  • : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
  • 最後 : last; final; ultimate
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  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;研究了基於fpga的部級容錯技術,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,可避免板級晶以及fpga晶內部任何邏輯發生單點故障。
  2. Based on the hydromechanics principle, the hydraulic equipment can push compressive oil into actuators by the pressure and direction control circuits. the piston of actuator translates distributed pressure into centralized force of piston rod

    液壓加載根據液壓流體力學原理,利用液壓組成的壓力和方向迴路,將一定壓力的油液輸入液壓缸,由液壓缸內的活塞把分佈的油壓轉變為集中力,經活塞桿輸出。
  3. According to this idea, this paper first introduces the basic technology to design the instrument. it includes the theory of the laser, measures to survey distance with laser, the theory of the step - motor, subsection technology of the step - motor, the working theory of the single - chip, expansion of the single - chip orderly. the following are the design of the control system of the planimeter according to the principle of the context. it consists of two parts

    根據前文介紹的知識先對單片機系統進行了硬體電路框圖設計,依據夠用原則對、設備的選擇進行計算、說明、選定,使系統成為擁有完整的包括a d採集、數據存儲器、 8155擴展的鍵盤顯示、 p1口及8155的pa口輸出的單片機硬體系統電路。
  4. Secondly, based on the syntony frequency and the elasticity mechanics and other correlative professional knowledge, establishes a suit of fsm vibration module system, selects the structure, material and the process and treatment technique of the elastic element in the elastic system of the mirror, analyzes a lot of factors which affect the structure of the rapid controlling reflector and provides the derivation formula

    以諧振頻率為出發點,利用彈性力學等相關專業知識,建立一套fsm的振動模塊系統;確立了反射鏡彈性系統中彈性的結構、材料的選擇,及加工,熱處理。分析了影響快速反射鏡結構的諸多因素,給出其相關推導公式,應用solidedge和cosmos軟體對該結構進行了計算機模擬。
  5. This paper first begin with the connotation of virtual instrument technology, study and discuss the criterion and the working theory of usb deeply. on the principle of usb1. 1criterion, using usb interface chip usbn9604 and low consumption mirochip c8051f231, we designed the available interface of usb bus and its controlling software, turn the communicating function based usb bus between computer and testing device. second based on the developed interface of usb bus, using microchip pic16c62 and a mount of relays, we designed the multiswitching scanner and its controlling software to complete the funtion of accesses swithing in testing system. third calling the api function inside the windows using vb programming language, communicat with the impelling program of selected hid, achieve the function of testing instrument with usb interface, complete the development of upside software faced testing. at last, based on the deep studying of pcb testing method, used the developed multiswithing scanner and software faced testing, combinated with necessary testing instrument, we constructed the pcb testing system and analized the testing result simply

    論文首先從虛擬儀器的技術內涵出發,深入研究和討論了通用串列總線usb規范及工作原理,並依據usb1 . 1規范,採用usb介面晶usbn9604和低功耗微處理器c8051f231設計開發了通用的usb總線介面及其,實現了通用計算機與測試設備之間基於usb總線的通信功能;其次,在所開發的usb總線介面的基礎上,使用微處理器pic16c62和多路繼電器開關,設計開發出實現測試系統中測試通道切換功能的多路通道掃描器及其;再次,採用vb語言編程,調用windows內部api函數,與選定hid類驅動程序進行通信,實現usb總線介面測試儀器功能,完成面向測試的上層軟體開發;,在深入研究印刷電路板測試方法的基礎上,利用已開發的多路通道掃描器和面向測試軟體,結合必要測試儀器組建印刷電路板測試系統,並對測試結果進行了簡要的誤差分析。
  6. In the fourth chapter, we consider the effect of bus stations on traffic flow. by numerical simulations, we attain the idea results. in the fifth chapter, a multi - speed ca traffic flow model on the one - dimen - sional urban main road on the control of traffic lights is proposed to simulate the traffic under the open boundary conditions

    ,建立一個交通燈下城市主幹道單車道多速胞自動機交通流模型來模擬在開放性邊界條下現實城市主幹道交通的車流運動,通過延遲來調整交通中紅綠燈對主幹道車流量的,並研究了在交通燈延遲下綠信比、交通燈個數對主幹道交通流的影響。
  7. Air operated final control element

    氣動最後控制元件
  8. The generator is verified to be of well performances by experiment. the third part concerns the control system of pm generator in vehicle application by commutating and inversion. considering the development of future power supply of auto electric system and the economizing on energy, the multi - voltage power supply system for future autos power supply system is introduced, and the design is given in detail

    ,結合現代電力電子技術,利用整流橋、逆變器、 mosfet等設計並實現了車用永磁發電機恆壓輸出;從未來汽車電氣系統的發展方向和高效節能方面考慮,提出未來汽車的多電壓供電系統的典型配電模型,並對該模型進行具體設計,實現多電壓供電的功能,並給出了線路中各主要部分的波形。
  9. To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed

    利用集成a / d 、 d / a轉換器的新型晶aduc824 ,實現了電流(電壓)采樣?數據處理?電流的閉環結構;地電位的抬升解決了a / d轉換器對負高壓迴路電流采樣時的輸入范圍匹配問題;信號反相的同時進行幅度壓縮,使得輸出調整電壓的解析度提高;根據常規的比例?積分?微分( pid )調節模型,針對陀螺系統的特性,給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法;不同條下系統穩流性能的對比、分析在論文給出,並據此找出了決定該系統穩流精度的關鍵因素,提出了系統的改進意見。
  10. Firstly, optical trigonometry measurement principle and wok principle of linear ccd are introduced, which are based on to design optical focusing and imagery system with he - ne laser instrument as illuminant. secondly, peripheral circuit of linear ccd is designed in theory and experiment. finally non - contact thickness measurement instrument is constructed, using ccd as photoelectric transformation element and microprocessor as the controller

    本文首先介紹了光學三角法測量原理,並對線陣ccd的工作原理進行了研究,以此為基礎採用氦氖激光器為光源,設計了光學聚焦及成像系統,對線陣ccd外圍電路的設計進行了理論設計和實驗研究,設計了以ccd為光電轉換,以微處理器為核心的非接觸式厚度測量儀及其系統。
  11. Through analysis of instability probabilistic indices ( plos ), it is found that in different installation site, or with different control system parameters, or using different control strategies, the effects of facts to hybrid power system are different. therefore, how to further develop advantages of facts elements is the emphasis of the future work

    通過對系統的失穩概率指標( p _ ( los ) )的分析,得出不同的安裝地點、不同的系統參數、不同的措施的採用, facts對混合系統的穩定性影響也不盡相同,因此如何合理有效地將facts的優點發揮到大將是以工作的重點。
  12. The effect of different sizes of sections, modes and values of residual stresses are studied. through the analysis, the conclusion is arrived at that the universal slenderness ratio should be used to better correlate the stability of box section beams with the member length instead of the out - of - plane slenderness, and the stability coefficient is taken to be 1. 0 for practical used box girder. then, the elastic critical loads of box section beam - columns are obtained based on the gjelsvik theory, and the relationship between axis force p and moment m is given

    ,運用ansys通用有限程序的beam189單,引入初彎曲和殘余應力的影響,用考慮幾何和材料雙重非線性的有限求解格式求得箱形柱在不同軸力和彎矩比例作用下的彈塑性極限承載力,通過對十幾個不同截面尺寸構在不同長細比下的承載力計算,發現在軸力p遠大於彎矩m時,構將是平面外失穩,而當軸力p遠小於彎矩m時,構則以平面內失穩為主。
  13. Today, the most advanced alignment methods have used the technology of machine vision and image proceeding, by which the feature marks on dies or substrate are recognized or measured, by which machine movement equipments are leaded to complete alignment. die leveling and auto - focus usually be completed before vision - based alignment of die and substrate

    自動對準系統是自動貼片機中的關鍵組之一,現階段先進的對準方法是利用機器視覺和圖像處理技術來識別和測量微細標記特徵,然反饋給系統引導機械裝置進行對準定位,在對準之前還必須對晶進行「調平」以及實現「對焦」獲得清晰的標記圖像。
  14. For the teaching the hardware pwm inverter is designed, including the choice of power module, filter tache, auxiliary power supply, brake unit and protection circuits. in addition data sampling system is contrived with encoder and current / voltage sensors. the control circuit with tms320f240 for the core is presented at last. the circuit includes memory extension, d / a converter digital i / o interface and the interface of the serial port. the way of space vector pwm realization is briefly introduced in this paper

    接著,設計了pwm電壓型逆變器,其中包括主迴路功率模塊與濾波環節、電源、動單及保護電路設計。另外還利用霍爾與編碼器設計出數據採集系統。,給出了基於tms320f240的小系統,包括存儲器擴展、串口擴展、數字i o介面以及空間矢量pwm的實現。
  15. On structure design aspect, a closed magnetic route around the gmm is formed, so magnetic symmetry and intension of gmm are improving ; on analysis of electricmagetic characteristics aspect, ansys software is applied to analyze the gma to optimize its structure ; on ampliflcatory power system aspect, based on the characteristic of driving power of gma and the principle of constant current source, a power amplifier using power mosfet is designed ; on testing equipments aspect, measure bracket is designed including transom, stand beam, screw, pedestal ; on cooling system aspect, a constant temperature cooling system is designed theorily

    本文根據稀土超磁致伸縮材料的特點及其在工業、系統中的應用要求,在以往微位移致動器的基礎上,克服他們的不足,經過各方面的完善,設計出一種精確的、適合於主動的稀土超磁致伸縮位移致動器,主要在稀土超磁致伸縮致動器結構設計、電磁特性分析、功放系統以及的實驗測試系統方面進行了設計,同時對溫度冷卻系統也做了一些理論設計。
  16. Chapter 1 begins with a historical survey into semi - active suspension technology, the initial product, developing of the semi - active suspension and status of its control are generalized, further requirement of technics and problems to be investigated are pointed out on this chapter. then it presents a new idea in design active damping suspension systems. also discussed are the subject and significance of the thesis and the content of this research

    第一章綜述了半主動懸架的產生、發展及其現狀,在此基礎上指出了該技術的進一步要求和所需研究的問題;其次對各種懸架減振的發展進行了系統的分析比較;接著提出了一種新型的基於主動力反饋原理的半主動液壓阻尼懸架的實現構想;概述了論文的選題意義和研究內容。
  17. The last part concludes that mr dampers is one of the very attractive control elements in semi - active control. as one of mixed model mr dampers, armature piston ' s mr dampers have principle designs good function and better practical value, it ' s worth to popularize use. about the armature piston ' s mr damper ' s designs, the space of work, the diameter of wok and the length of magnetic pole have obvious affects to the force of mr dampers, mr fluid materials should be paid attention, input electric current affects mr dampers greatly the high current increases the damping force, the effect of reduce vibration increase obviously,

    ,論文給出了結倫:磁流變液阻尼器是半主動裝置中非常吸引人的之一,混合工作模式的磁流變阻尼器結構簡單,阻尼效果比流動模式和剪切模式均要好,是一種比較理想的磁流變阻尼器;電樞活塞式磁流變阻尼器作為混合模式磁流變阻尼器的一種結構形式,其結構設計合理,性能良好,具有較強的實用價值,值得在工程中推廣應用;在電樞活塞式磁流變阻尼器的設計中,應特別注意工作間隙h 、工作直徑d 、磁極長度卜都對阻尼器的阻尼力有明顯的影響,並注意選用合適的磁流變液材料;輸入電流對磁流變阻尼器的阻尼效果影響很大,輸入大電流時阻尼力明顯增大,減振效果明顯提高。
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