time program control method 中文意思是什麼

time program control method 解釋
時限程序控制
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  • program : 按遺傳密碼工作
  • control : n 1 支配,管理,管制,統制,控制;監督。2 抑制(力);壓制,節制,拘束;【農業】防治。3 檢查;核...
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. The approximate computation method is used in float point computation of system ' s control algorithms on fixed - point dsp after comparing several methods in respect of running time and program space involved, which attains quick computation besides high precision and implements output voltaic with low harmonic and high control precision of frequency

    通過從運行時間和佔用空間等方面比較在定點dsp上實現浮點數運算的幾種方法,並選擇了近似計演算法作為系統控制演算法浮點數運算的方法,在保證足夠計算精度的前提下達到計算的快速性,實現低諧波和頻率控制精度高的輸出電壓。
  2. It includes : dynamic show of technics flow, real time data acquirement and show, history data save and print, fault alarm, etc. the plc control system mainly accomplishes the wastewater technics flow control, harmonizes the logical relationship among local intelligent control instruments and transmits the state of each local equipment to the industrial computer simultaneously, the plc control station receives the control commands from the industrial computer ; the local intelligent units take charge of the correlated parameters measure, disposal and control, and it will transmit the related parameters to the computer, etc. in this thesis, introduced municipal wastewater treatment technics, the integrated application program development of computer, the design method of plc control station, the communication between plc control system and computer, and the network of wastewater treatment with profibus - dp was also discussed

    上位計算機主要實現遠程監測和管理功能,具體包括:工藝流程動態顯示、實時數據獲得及顯示、歷史數據存儲與列印、故障報警等功能plc控制系統主要完成工藝流程式控制制以及協調現場各智能儀表之間的邏輯關系,將現場各設備的運行狀態通過通訊網路傳輸到上位計算機,並接收上位計算機的控制指令;現場各智能儀表單元負責各相關參數的監測和處理、控制,並將有關參數送往上位監控計算機進行處理、保存等。本文以莎車污水處理項目為例,介紹了城市污水處理工藝、上位監控計算機的綜合應用程序開發、城市污水處理自動控制系統plc控制站的設計和採用profibus系列中廣泛應用於現場設備的profibus - dp總線。
  3. Firstly, this paper makes a detailed study on the field control bus system ( pcs ), including the characters of pcs by comparing fcs and dcs, model networking of pcs and several popular field bus, then put forward a question for discussion combining embeded internet technology and field bus and measure and control networking model based embeded internet technology is constructed. secondly, it studies embeded system including the core of hardware ? mbeded microprocessor and real time operation system. thirdly, the method of realizing embeded internet is discussed for emphasis, and difficulty of ehernet application in industry measure & control system is analysed. an instance of measure & control networking system based embedded ip is given. finally, the author designed a networked remote video surveillance system based embedded web server, c / os - ii is sacled and ported into the embedded microprocessor at89c51. based on the c / os - ii rtos, tcp / ip protocol suite and application program is designed in detail. the system w orks well that improves that the embedded internet technology will be widely used in modern measure & control networking system and has extend values

    本文首先分析了現場總線系統( fcs )與傳統集散控制系統( dcs )相比具有的特點、 fcs的網路體系結構,介紹了幾種流行的現場總線,提出了將嵌入式internet技術結合現場總線構建現代測控網路的課題;在此基礎上,構建了基於嵌入式internet技術的測控網路結構模型;深入研究了嵌入式系統的核心硬體?嵌入式微處理器,通過對比普通操作系統,描述了嵌入式實時操作系統的特點;重點研究了實現嵌入式internet的四種實現方法,並分析了以太網在工業測控系統中應用的難點,給出了一個基於嵌入式ip的網路測控系統實例;最後,研究與設計了一個基於嵌入式web服務器的遠程網路視頻監控系統,該嵌入式web服務器利用目前成熟的嵌入式實時操作系統c / os - ,通過對c / os -進行適當的裁剪、修改與移植,在at89c51嵌入式微處理器上實現了tcp / ip協議棧及應用程序,系統的成功運行證明了本文研究成果的有效性,也表明嵌入式internet技術在現代測控網路系統中具有廣闊的應用前景和推廣價值。
  4. 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轉換器的新型晶元aduc824 ,實現了電流(電壓)采樣?數據處理?電流控制的閉環控制結構;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;控制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;不同條件下系統穩流性能的對比、分析在論文最後給出,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。
  5. The approximate computation method is used in float point computation of system ' s control algorithms after comparing several methods in respect of running time and program space involved, which attains quick computation besides high precision and implements excitation voltage with low harmonic and high control precision of frequency

    通過從運行時間和佔用空間等方面比較實現浮點數運算的幾種方法,並選擇了近似計演算法作為系統控制演算法浮點數運算的方法,在保證足夠計算精度的前提下達到計算的快速性,實現低諧波和頻率控制精度高的勵磁電壓。
  6. To the primary contradiction of real - time interactive visual simulation, limited bandwidth of network and real time transmitting parameter of relative to move sight, the control mechanism of 3 - d visual object is discussed, under the direction of hla idea, the visual federal object model vfom is established to describe the visual data distributing ; the author designed a grammar of vfom context and a turing conversion mechanism, it will support exploitation of visual simulation in different field ; the author analyses and apply opengl to design a method of implement real - time interactive visual simulation on pc, in additional with object - oriented program technique network communication technique multithreading technique, implement pc - virsp. there are 7 chapters in this thesis. in chapter 1, the developments of virtual simulation is looked back, the aim and significance and the main search content is put forward

    論文針對實時交互視景模擬的主要矛盾,即網路有限帶寬與視景運動交互參數實時傳輸矛盾,探討了三維視體運動控制機理,結合hla思想,建立視景聯邦對象模型( vfom - visualfederalobjectmodel )來描述視景數據分佈;並設計了模擬實體鏈描述文本文法及其存儲轉換機制,有效支持多領域視景模擬系統開發;分析並應用圖形介面標準opengl ,設計了基於pc機的實時互操作視景生成方法;針對網路分佈環境下視景模擬實時交互需求,設計視景運動同步控制方案;並綜合應用了面向對象編程技術、網路通信技術、多線程技術,實現了基於pc機的視景實時互操作支撐平臺( pc - vrisp ? real - timeinteractivesupportingplatformforvirtualsimulationbasedonpersonalcomputer ) 。
  7. The control equation consist of completely coupled deformation equation, seepage equation, conduction and convection equation of heat, which describe the reservoir non - liner performance. 2, present the detailed strategy and methods to solve this mathematics model, the basic strategy as follows : regard the deformation equation ? seepage equation conduction and convection equation of heat as separate system, and solve the equation by coupling and iterative method ; disperse the control equation in the geometry field by the finite element method ( galerkin ), and in the time field by the finite difference method : programme the computer program on this task ; when the solving, take the combinative measures of the thick and thin mesh ; successfully carry out the numerical simulation in vast 3d heat extraction system of hdr

    2 、提出了高溫巖體地熱開發的固、流、熱多場耦合數學模型的數值解法,其基本的求解策略是:將固體變形,流體滲流與溫度場方程看成獨立的子系統,耦合迭代求解;利用有限元離散( galerkin )方法將控制方程在幾何域上離散,並用差分法得到時間域上的離散方程,並在此基礎上,編制了相應的計算機源程序;有限元求解中,為減小邊界效應的影響,在計算中採取粗細網格結合的方法,順利地實現了高溫巖體地熱開發三維巨系統的數值模擬。
  8. A conclusion can be get from the design and implementation of the multi - thread communication program that multi - thread communications are useful for those application aspects requiring more executing time efficiency and storing space efficiency, and we can easily introduce the method into industry control and test, for example, we can scheme the architecture of the program as main thread and worker thread, in main thread, we can do initialization and coordinating the worker threads

    由多線程通信程序的設計和實現可得出結論,多線程通信對那些需要更高效率的執行時間、存儲空間的應用領域是很有用的,並且我們可以輕松地把這種方法推廣到工業控制和測試應用中,例如可把程序的結構安排成主線程和輔助線程,在主線程中可進行有關初始化及協調各輔助線程。
  9. This paper covers the development principle and method of control - unit based real - time monitoring program for automated warehouse

    摘要討論了一種基於控制元結構的自動化立體倉庫實時監控程序的設計原理和方法。
  10. The result shows that this kind of adaptive control method has robust performance to a great extent because of the special dynamic compensation for external disturbance in these two systems. lastly, this dissertation introduces the main development techniques used for exploring distributed 3d flight platform which can validate advanced flight control laws in theory and method. based on windows 2000 / xp os ( operation system ), it synthetically applies real - time simulation arithmetic of control system, oop ( object oriented program ) development technique, tcp / ip protocol - based net - communication technique and api development technique of 3d virtual reality opengl to exploring the distributed simulation platform with friendly a

    本文對于驗證先進飛行控制理論的分散式三維飛行模擬平臺主要開發技術進行了原理和方法上的介紹,文中在基於windows2000 xp操作系統下,綜合運用了控制系統實時模擬演算法、面向對象的軟體oop開發技術、基於tcp ip協議的網路通訊技術及三維虛擬現實opengl的api開發技術,在vc + +應用程序框架的范圍內,開發了具有友好互動式三維界面的分散式模擬平臺,該平臺除了用於先進飛行控制理論的實南京航空航天大學博士學位論文時程序驗證之外,也可以用於航空院校的飛行控制系統教學實踐和飛行訓練的課程,由於開發這一平臺並不需要大量的資金投入,因此具有非常廣泛的應用前景。
  11. The industrial computer mainly implements the functions of long - range supervision and management it includes : dynamic show of technics flow, real time data acquirement and show, history data save and print, fault alarm, etc ; the plc control system mainly accomplishes the wastewater technics flow control, harmonizes the logical relationship among local intelligent control instruments and transmits the state of each local equipment to the industrial computer, simultaneously, the plc control station receives the control commands from the industrial computer ; the local intelligent units take charge of the correlated parameters " measure > disposal and control, and it will transmit the related parameters to the computer, etc. in this thesis, introduced municipal wastewater treatment technics, the integrated application program development of computer, the design method of plc control station, the communication between plc control system and computer, and the network of wastewater treatment with industrial ethernet was also discussed

    上位計算機主要實現遠程監測和管理功能,具體包括:工藝流程動態顯示、實時數據獲得及顯示、歷史數據存儲與列印、故障報警等功能; plc控制系統主要完成工藝流程式控制制以及協調現場各智能儀表之間的邏輯關系,將現場各設備的運行狀態通過通訊網路傳輸到上位計算機,並接收上位計算機的控制指令;現場各智能儀表單元負責各相關參數的監測和處理、控制,並將有關參數送往上位監控計算機進行處理、保存等。本論文介紹了城市污水處理工藝、上位監控計算機的綜合應用程序開發、城市污水處理自動控制系統plc控制站的設計和採用工業以太網技術的污水處理通信網路。
  12. Unlike traditional differential geometrical method, the robust adaptive neural net - based control emphasizes on the theory and application of intelligence control in nonlinear system that is weighed by robust performance index. the problem of robust reliability and stability in a kind of weak nonlinear system is first proposed in the dissertation, and then it deeply analyses and discusses the problem of how to design track controller in strong nonlinear system with uncertainties and external disturbance on the premise of guaranteeing the whole system ' s robust performance index. the distributed 3d flight simulation platform is mainly used to validate real - time program and evaluate the efficiency of advanced flight control laws, therefore, some theories and techniques related to the platform are also introduced

    基於神經網路的魯棒自適應控制研究和分散式三維飛行模擬平臺的構建是本論文研究的兩個主要內容,與傳統微分幾何方法不同的是,基於神經網路的魯棒自適應控制側重於智能控制方法在以魯棒性為性能指標的非線性系統中的理論和應用研究,論文以一類弱非線性系統的魯棒可靠鎮定問題為引線,逐步深入地分析和探討了在保證整個被控系統魯棒性能指標的前提下,對于幾類具有不確定性和外部擾動的強非線性系統跟蹤控制器的設計問題;分散式三維飛行模擬平臺主要用於先進飛行控制律的實時程序驗證和效能評估之用,因此關于平臺的一些開發原理和技術方法也在文中給出了介紹。
  13. This dissertation, basing on project of hi - tech research and development program of china ( abbreviate as : 863 ) robot theme subsidy subject " numerical control shaped equipment research and development ", probes into design and implementation method of real - time computer numerical control ( cnc ) system under common operating system - windows

    論文以國家高技術研究發展計劃( 863計劃)機器人主題資助課題「數控成型設備開發與研製」為背景,探討了在通用操作系統windows下實現實時計算機數字化控制系統的設計思想和實現方法。
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