數字控制工學 的英文怎麼說

中文拼音 [shǔzìkòngzhìgōngxué]
數字控制工學 英文
numerical control engineering
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 字 : Ⅰ名詞1 （文字） character; word 2 （字音） pronunciation 3 （字體） form of a written or printed ...
  • 控 : 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...
  • 制 : 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...
  • 工 : Ⅰ名詞1 （工人和工人階級） worker; workman; the working class 2 （工作; 生產勞動） work; labour 3 ...
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  • 數字 : 1. （表示數目的文字; 表示數目的符號） figure; digit; numeral; character; numeric character 2. （數量） quantity; amount
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  1. The diploma project researches the three - coordinate nc system of the boring and milling machine. the system must depend on the hardware - ipc ( industry personal computer ) and on the windows software. the hardwares have the framework of embedding nc in pc, which means that the hardware is composed of ipc, the intelligent sport control card ( pcl - 839 ) and the i / o card ( pcld - 782 / 785 ). we research the nc system based on the operating system of dos and develop it into the nc system based on the operating system of windows2000. the new nc system will do better for the three - coordinate nc machine tool than the old one

    本文是以本學院自行研製開發的印製電路板鉆銑床為研究對象，以工控機為硬體平臺，以windows為軟體平臺，硬體系統採用「 nc嵌入pc式」結構，即運用現有的工控機+運動控制卡+數字量輸入輸出卡的基本結構，把機床控制系統開發成基於windows環境下的數控系統，代替原有的基於dos操作系統下的控制系統，從而實現對三坐標數控鉆銑床的控制。
  2. As an experiment of basic course in electronic technology, the project is based on domination principle of digital music player and integrates with the elementary application of multiplexer, flip - flop, counter and rom, which enables students to comprehend these knowledge fully along with acquaintance of technical application and promotes systematic understanding of basic notions, course content and advances the transformation from knowledge to ability

    作為數字電子技術基礎課程的實驗內容，該方案設計以數字音樂播放的控制原理為切入點，結合了數據選擇器、觸發器、計數器和只讀存儲器的基本應用，使學生在充分理解這些知識點的同時了解一些工程應用背景，以形成對課程內容、基礎概念的系統認識，促進知識向能力的轉化。
  3. A mathematic model of the motor is builded and emulated through matlab. the low - speed and constant - torque, high - speed and constant - power state is analyzed and researched, also the software approach of simulation to the driver has been done, a digital signal processor tms320lf2407 is developed successfully to control the perm square - wave bldcm driving airscrew of solar powered unmanned engine. it is useful to the further study

    在matlab下建立了電機的數學模型，通過計算機模擬，驗證了數學模型的正確性，同時在理論上對低速恆轉矩高速恆功率運行進行了分析與研究，提出了一種用模糊控制的方法實現恆功率控制，並對驅動器進行了系統模擬，成功的研製了以數字信號處理控制器tms320lf2407為控制核心的驅動器，控制無刷直流電動機驅動太陽能無人飛機的螺旋槳，為後面繼續研究工作提供了參考。
  4. The second one is how can we capture the data just before they are sent out or received in. the third one is how can we inform our monitor or debugger process this event, transfer the data to the monitor or debugger, and get the results back. as far as microsoft windows operation system is concerned, which mostly has been installed on personal computers and partly server cmputers, softwares access data in internet through windows socket application program interface

    就被廣泛安裝在個人計算機和一部分服務計算機的微軟視窗操作系統而言，軟體通常通過操作系統提供的套接字網路介面訪問網路數據，在視窗操作系統上有兩套網路介面，一是由伯克勒大學設計，被稱之為bsd套接字的介面，由阻塞同步和非阻塞異步以及輪循機制控制輸入和輸出工作;另一套是微軟公司開發的窗口套接字，由網路消息事件驅動。
  5. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向，本論文重點做了以下幾個方面的工作，目的在於提高dtc系統的綜合性能： （ 1 ）提出一種新型的速度磁鏈觀測器，新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， sercos （ serialrealtimecommunicationsystem ）是目前最適合同步和協調控制的串列實時通信協議； （ 5 ）基本勾勒出整個控制系統的硬體和軟體設計基本框架，詳細描述一些實驗中的具體的細節問題。
  6. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工大學碩士學位論文在水平地震作用下，並考慮風荷載組合，分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系，通過改變結構參數，運用空間有限元方法，進行地震作用計算。系統地分析研究「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向位移」 、 「層間位移角」 ，以及「構件內力」 。結果表明:在等面積原則下，異型柱代換矩形柱后，結構剛度增大，側向位移明顯減小，地震反應力略有增加，框架柱軸壓比最大增幅小於8 % ，結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時，結構有利於抗震;水平地震作用力與整體坐標夾角為0度時，結構地震作用效應較大，屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐，側向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛度大、位移小，構件內力增大適中，是一種抗震性能優越的結構體系:在抗震設防烈度較高地區（ 8度）和抗震不利的建築場地（ m類場地） ，採用異型柱結構體系時，應盡可能減輕結構自重，降低地震作用力;分別採用「振型分解反應譜」法和「時程分析」法進行地震作用計算，兩種方法所得結果基本一致。
  7. The efforts to be shown in the paper include : building on the mathematics model of electro - hydraulic shaking table, after the analysis of the dynamic characteristics of electro - hydraulic shaking table the conclusion that it is essentially non - linear is drawn ; according to the aforementioned characteristics and with the view to the actual research object, we present the outline of the system design and criteria of the electro - hydraulic shaking table servo - controller ; due to the research object we practically work over two control strategies and correspondingly scheme out two controllers, which is pid controller and human simulating intelligent controller based on ziegler - nichols parameters - adjust empiric formula ; we develop electro - hydraulic shaking table servo - controller, constitute entire hardware system platform and accomplish the correspond codes of the software which combine to complement its most functions ; the simulation of the adjust stability of controlling system and servo trailing control has been made by matlab, which compares the simulation results of the behavior of pid controller and human simulating intelligent controller

    本文的主要工作包括：從電液伺服控制系統的數學模型入手，對電液伺服控制系統的動態特性進行了分析，得出了其非線性本質的特點；根據電液伺服控制系統的上述特點，結合具體的電液式振動臺研究對象，提出了電液伺服控制系統的設計要點和振動臺伺服控制器的設計指標；結合研究對象，具體研究了控制器的控制策略，設計了兩類控制器，即基於ziegler - nichols參數整定經驗公式的pid控制器和仿人智能控制器；開發了電液式振動臺伺服控制器，建立了完整的硬體系統平臺並完成了相應軟體的編寫，實現了主要的控制功能；對控制系統的穩定調節控制和伺服跟蹤控制進行了matlab數字模擬，對pid控制器和仿人智能控制器的控制行為分別進行了模擬實驗並做了比較。
  8. Jpeg2000 based on wavelet transform is a new image compress standard of many excellent characters. iamge compress algorithmic can run more efficiently on dsp. the success of techinique research, including entire digital camera product and the key technique, and the industrialization of digital camera industry can give our own knowledge property right in digital camera technique, and then enhance the function of digital camera, upgrade its ability to compete

    國內數碼相機相關技術的研發起步較晚，其主要原因是數碼相機涉及到眾多尖端的傳感器技術、微電子技術、精密光學技術、微機械控制技術、數字信號處理器技術和電腦多媒體技術，而且跟這些技術相關聯的光學、集成電路、微機械控制的加工工藝更是國內的薄弱環節，從而制約了國內數碼相機產業的形成和發展。
  9. One of his significant contributions is the development of the z - transformation approach to the analysis of sample - data systems. in 1965, professor zadeh s research interest shifted to the theory of fuzzy sets and its applications, which provided a basis for a qualitative approach to the analysis of complex systems

    一九六五年，澤德教授將研究焦點放于快思集理論及其在人工智慧、邏輯學、控制理論及神經網路等范疇的應用方面，透過快思集的概念，對涉及語言變數而非數字的復雜系統作質量的分析提供基礎。
  10. For the accomplishment of the national 863 - advanced project, the industry control computer is used as main control unite and the pwsm machine tools spindle drive system. the hardware and software of the system is studied and developed

    為完成該863課題，通過對以永磁同步電動機為執行元件的機床電主軸系統的數學模型的分析，提出了基於工業用控制計算機的永磁同步電動機全數字式機床電主軸系統的硬體和軟體實現方案。
  11. In order to study active vibration control with hydraulic servo deeply, the theory model of actual two - stage isolation mounting with hydraulic servo is set up. the force transfer rate of the system is deduced by the transfer function analytical method. the computer simulation of active vibration control performance is made for various control parameters and inhere parameters

    為了深入研究液壓伺服振動主動控制，針對實際柴油機液壓伺服振動哈爾濱工程大學博士學位論文主動控制實驗臺架，建立了液壓伺服振動主動控制系統模型，並進行了數字模擬研究，討論了各種控制參數的引入對力傳遞率的影響，另外討論了系統的固有參數的變化對力傳遞率的影響，為以後的液壓伺服振動主動控制臺架的改造和振動控制提供了有益的參考依據。
  12. First, utilizing many advanced management technologies, such as business process reengineering, supply chain management, this paper gives reform to material management process as well as customer service process, flattens the " pyramid " type organization structure of company, and puts forward detailed improving measurements for the material requirement forecast and purchase management. then, this paper offers classification for inventory material into abc three groups, amends the mathematical model of classic eoq on the basis of company ' s actual condition, and calculates the main parameter of inventory control. finally, this paper makes economical benefits analysis for the improving results

    第三部分為解決方案和改進措施，首先用業務流程重組的基本原理，對企業經營影響較大的物料管理和客戶服務實行流程化管理變革，盡量使公司「金字塔」式的組織結構扁平化，並用供應鏈環境下的物料管理等先進的管理方法和技術，對公司的物料需求預測和采購管理提出了具體的改進措施；其次將abc分類控製法引入公司的庫存管理工作，以經典的允許缺貨、生產時間很短的eoq模型為基礎，根據公司的實際情況對此數學模型進行了修正，並對主要的庫存控制參數進行了計算；最後對改進的效果進行了經濟效益分析。
  13. I am responsible for the design and development of arm hardware platform for the base station control, which is a part of the tetra digital trunked experiment system that is under research in the communication research center of harbin inistitute of technology

    在哈爾濱工業大學通信技術研究所設計的tetra數字集群實驗系統中，本人承擔了數字集群基站控制器arm硬體平臺的設計與開發。
  14. Then the message - based flow control of main monitoring program in program - controlled instrument is brought forward. with the modeling and analyzing tools of the petri net and boolean matrix, the main monitoring program design method of a multi - dsp system is presented with the example of digital i / o wp module. chapter 6 illustrates the basic structure and design approaches to wp virtual instrument ' s software according to the vxi plug & play ( vpp ) specifications

    第五章提出了向共享總線的多sharc系統執行「直接宿主機導入」 dsp監控程序的新方法，隨后又提出了基於消息的程式控制儀器主監控程序控制的概念，並以vvp數字i o模塊為例，描述了利用petri網和布爾矩陣為主要建模和分析的浙江大學博士學位論文工具，實現了多dsp程式控制儀器主監控程序設計的新方法。
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