直接數控系統 的英文怎麼說

中文拼音 [zhíjiēshǔkòngxìtǒng]
直接數控系統 英文
direct numerical control
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 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...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 直接 : direct; immediate
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. This paper discusses the designing and making of the dynamic testing systems of engine electronic control system. base on the construction and operation principle of santana 2000gsi m3. 8. 2 engine electronic control systems, design and manufacture led circuit of dynamic testing and fault imitating electronic control unit. on the inspect board, design and equip with motronic 3. 8. 2 ecu i / o measuring joints, design and set up obd - ii diagnostic communication link, design and install fuel pressure inspecting meter. depend on the obd - ii diagnostic communication link and ecu i / o measuring joints, this dynamic testing system can inspect engine electronic fuel injection system, distributorless ignition system, idle speed control system and evaporative emission control system, and can inspect m3. 8. 2 sensors, ecu and actuators, and can interrogate fault memory and erase fault memory ; and can analyse data stream ; and can carry out fault imitating. besides, this paper analyses sensors and actuators typical fault w aves

    2電控單元電路連接器設計製成輸入輸出電子控制檢測端子，並在檢測面板上布置了obd -診斷插座和燃油壓力表。使該動態測試系統能實現對電噴發動機的燃油系統、直接點火系統、怠速控制系統和燃油蒸氣排放控制系統的動態檢測；並通過obd -診斷座、 ecu輸入輸出檢測端子和故障模擬處理單元實現對電噴發動機電控系統各傳感器、電控單元、執行器進行故障碼讀取與清除；動態數據讀取和波形測試和故障模擬等。此外，本論文還分析了傳感器和執行器典型故障波形。
  2. In this process, the thesis discusses detailedly the method which can improve the resolving power in measuring component and can deal with the probe circuit, and puts forward the design method of applied circuit. then the thesis discusses the methods of line and circle interpretation

    接著又討論了計算機數控系統的控制策略，主要包括：知道預定軌跡的直線與圓弧插補的方法、連續掃描系統的控制策略、 pid調節器的設計及pid參數的整定方法等。
  3. Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm

    接著，專門利用一個章節闡述了dvb - c前端調制系統原理，他們了差錯控制技術、多進制調制（ mqam ） 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括（整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現） 、分散式演算法、 cic濾波器、直接數字頻率合成（ dds ） 、 cordic演算法。
  4. Step - nc ( iso14649 ) expends step into the area of cnc and renews the data interface between cax and cnc, which helps cnc system to use data models of products in three dimensions according with step directly in order to output nc programs then control machines directly, eliminate choke points of the information stream between cax, such as cad, capp, cam, cae, ped, erp and so on, connect the design product information and manufacturing product information on the base of step in the form of object - orientation, and change the traditional movement and switch control - orientation numerical programs into object - orientation programs

    Step - nc （ iso14649 ）將step擴展至cnc領域，重新規定了cax與cnc之間的介面，其目的是: cnc系統能夠直接使用符合step標準的cad三維產品數據模型，直接產生加工程序來控制機床;在step的基礎上以面向對象的形式將產品的設計信息與製造信息聯系起來，消除cax （如cad 、 capp 、 cam 、 cae 、 ped 、 erp等）與數控系統之間信息流瓶頸;將傳統的面向運動和開關控制的數控程序改變為直接面向加工對象的數控程序。
  5. The fast - speed development of computer network technology and information technology leads to the ceaseless change of manufacturing, the network numerical control ( nnc ) - a new technology, was arisen at the historic moment. after a deep research collection and analyzing of information internal and external on information integration technology, direct numerical control ( dnc ) interface technology, network technology and computer communication technology, the writer brings to the construction model of nnc and realizes real - time communication of nnc by program, discusses the function of basic information management of nnc

    本文通過對國內外有關的信息集成技術、 dnc （直接數控）介面技術、網路技術和計算機通訊技術的資料收集、分析比較和研究探討，給出了網路數控的總體結構模式，並通過深入分析研究，實現了網路數控系統的實時通訊等部分，探討了網路數控系統的基礎信息管理等功能。
  6. In the part of orbit control, the main ideas in study is to define the nonlinear control system on a riemann manifold from the global viewpoint, and to build the intimate relation between the geometrical structure of state space and the state equation of nonlinear control system ; in the part of attitude control, the main ideas in study is to deduce mathematical model with good character based on global differential geometry ideas as well as li group and li algebra, moreover, to design corresponding control schemes

    在軌道控制部分，研究的主要思想是從整體化的觀點出發定義一種建立在riemann流形上的非線性控制系統，將狀態空間的幾何結構與控制系統的狀態方程建立直接的聯系。在姿態控制部分，研究的主要思想是以整體微分幾何方法為工具，以李群與李代數等數學理論為基礎，從數學角度建立具有良好性能的數學模型，並設計出相應的控制方法。
  7. The principle of the neural network models is different from that of the real - time running models. the latter is designed on the engine running, so the effect of the control strategy on engine performance can be observed clearly. while the former works out the solution directly from the testing data, avoiding the complex calculation procedure

    神經網路模型與實時運轉模型的構成原理不同，實時模型以發動機運轉機理為設計依據，使于充分觀測控制策略對發動機各種性能指標的影響；而神經網路模型是根據己有的試驗數據進行直接推理，可避免大量的簡化、推導、求解過程，對于諸多機理繁復的發動機變量而言是一極佳的求解方案，因此就更全面的進行電控系統的調試評估考慮，兩種模型有著良好的互補性。
  8. In many performance check, artillery control systematic dynamic trail aimed error is one of relatively important parameter, dynamic trail aimed error denote : when high cannon system is dynamic trailing, set bullet pellet flight time is 0, in the condition of not considering advance quantity ( 0 fly working ), the axis of artillery pipe should direct goal

    在諸多的性能考核中，火控系統的動態跟蹤瞄準誤差是較為重要的參數之一。所謂動態跟蹤瞄準誤差是指：當高炮系統在進行動態跟蹤時，設定彈丸飛行時間為零，即在不帶提前量的條件下（即零飛工作方式下） ，火炮身管的軸線應直接指向目標。
  9. The data exchange technology is studied and the data exchange interface is provided in our own engraving system. aiming at the shortage of complex engraving picture, slender flower - veins, the long machining code, and out of ems memory of numerical control system, we develop a series of dnc subsystem which realizes the on - line transmission machining of engraving parts

    對數據轉換技術進行了研究，在雕刻系統中提供了數據轉換介面，針對雕刻圖案復雜，花紋細，生成的加工代碼長，以及數控系統內存小的問題，開發了一個計算機直接數控（ dnc ）子系統，實現雕刻零件的在線傳輸加工。
  10. The automation of coal flotation has been wandering for many years in china. the production efficiency is relatively low because of the feed forward control which adds the flotation reagent based on the fine coal in feed slurry, ignoring the quantity and quality of the products. aiming at this problem, method of measuring the flotation technical parameters was studied, the slurry level meter and the slurry ash - measuring device were worked out, and the computer control system of the coal flotation was designed. the feedback control was realized by using the fuzzy logic control control technology to regulate the reagent addition and the slurry level in the flotation tank according to the concentrate ash content detectedby the coal slurry ash - measuring device developed. the industrial experiment indicates that the performance inedxes of the coal slurry ashmeasuring device have come up to the advanced levek of the world. the application of the detection and control system in huaibei coal preparation plant results in a high concentrate recovery, a decrease of the reagent consumption, ensuring a highly efficient operation

    浮選自動化在我國多年來徘徊不前，一直採用根據入浮煤漿中的干煤泥量來確定加藥量的前饋控制方法，而不直接以產品的數質量指標作為控制目標，導致浮選生產效率較低.針對上述問題，研究了浮選工藝參數的檢測方法，開發了浮選漿位儀和煤漿測灰儀，設計了浮選計算機控制系統，它根據煤漿測灰儀旁線檢測的精煤灰分，運用模糊控制技術，通過調整浮選藥劑添加量和浮選機漿位，來實現浮選過程的反饋控制.工業性試驗表明，煤漿測灰儀的性能指標接近國外先進水平.煤泥浮選測控系統在淮北選煤廠的現場使用，使浮選生產在精煤灰分合格的前提下，得到了較高的產率，並降低了藥劑用量，從而保證選煤廠高效率地運行
  11. Abstract : the automation of coal flotation has been wandering for many years in china. the production efficiency is relatively low because of the feed forward control which adds the flotation reagent based on the fine coal in feed slurry, ignoring the quantity and quality of the products. aiming at this problem, method of measuring the flotation technical parameters was studied, the slurry level meter and the slurry ash - measuring device were worked out, and the computer control system of the coal flotation was designed. the feedback control was realized by using the fuzzy logic control control technology to regulate the reagent addition and the slurry level in the flotation tank according to the concentrate ash content detectedby the coal slurry ash - measuring device developed. the industrial experiment indicates that the performance inedxes of the coal slurry ashmeasuring device have come up to the advanced levek of the world. the application of the detection and control system in huaibei coal preparation plant results in a high concentrate recovery, a decrease of the reagent consumption, ensuring a highly efficient operation

    文摘:浮選自動化在我國多年來徘徊不前，一直採用根據入浮煤漿中的干煤泥量來確定加藥量的前饋控制方法，而不直接以產品的數質量指標作為控制目標，導致浮選生產效率較低.針對上述問題，研究了浮選工藝參數的檢測方法，開發了浮選漿位儀和煤漿測灰儀，設計了浮選計算機控制系統，它根據煤漿測灰儀旁線檢測的精煤灰分，運用模糊控制技術，通過調整浮選藥劑添加量和浮選機漿位，來實現浮選過程的反饋控制.工業性試驗表明，煤漿測灰儀的性能指標接近國外先進水平.煤泥浮選測控系統在淮北選煤廠的現場使用，使浮選生產在精煤灰分合格的前提下，得到了較高的產率，並降低了藥劑用量，從而保證選煤廠高效率地運行
  12. Electrical and mechanical interface characteristics and line control protocol using communication control characters for serial data link between a direct numerical control system and numerical control equipment employing asynchronous full duplex transmission

    電子和機械界面特性和在直接數字控制系統與用同步完全雙向傳輸的數字控制設備之間的系列數據鏈接的通信控制字元的線路控制協議
  13. The control system is a ddc system, which is the important part of the hulin heat _ supply control system. the hardware adopted in the system include industrial pc, signal input devices and signal output devices

    該系統是虎林市集中供熱監控系統的重要組成部分，是一個集中式數字直接控制系統。系統中採用的硬體主要有：工業控制計算機，信號採集設備和信號輸出設備。
  14. The stepping motor is the important component of the numerical control system, because of the characteristic such as high precision, easily controlling, localization accurate, working rapidly and reliable, and can accept the digital signal

    步進電機以其精度高、控制靈活、定位準確、起停迅速、工作可靠、能直接接受數字信號的特點，成為數控系統中的重要執行部件。
  15. The target is that it begins with the information of the graph ( based on pdm ) used to directly depict parts, being supported by the currency cad / cam system, receiving the producing information by interact with manual, matching the cutter with expert system, building the data of the cutter location ( cl ) by account, finishing the optimising arrangement, creating the nc program for the numerical control system of the fms - ii of sheet metal by the post system, automatically processing the produce by the nc machine tool according to the cl, and then realizing the opening integration of the system of cad / cam system of the fms - ii for sheet metal, basing on pdm

    為了解決這些問題，需要重新開發fms -的cad cam系統，目標就是從基於pdm下的通用cad系統提供的圖形信息直接描述零件開始，人工交互方式輸入加工信息，由專家系統的推理機實現自動配模，經計算產生刀位文件，優化排料后，再針對鈑金fms -的數控系統，後置處理生成相應的數控加工程序，數控機床根據加工程序代碼自動完成加工，從而實現鈑金fms -的cad cam系統基於pdm下的開放集成。
  16. This paper goes on with analysis of the phased array radar calibration theory and compare of different schemes, then the best is adopted. 2 mhz digital circuit mainly composed of dds ( direct digital synthesis ) chip, which carries out the shift of the phase and the limit of the amplitude, has been designed and debugged successfully. it is used to substitute for the conventional phased shift circuit and amplitude limiting circuit which work at the radio frequency, so the all - digital transmit channel of phased shift array radar is achieved

    本論文研究的重點是：針對傳統相控陣雷達系統收發（ t r ）組件中的移相和限幅功能均在射頻段完成，大膽利用直接數字合成（ dds ）晶元組成頻率在2mhz左右的數字電路代替傳統相控陣雷達在射頻段進行移相和限幅的電路，從而組成全數字發射通道，使對相位和幅度的控制和調試更方便快捷，並設計具體的電路驗證此方案的可行性。
  17. In the future one important development of manufacturing industry is to make full use of network technology, especially the internet / intranet, to combine information internal and external on information integration technology, computer communication technology with direct numerical control ( dnc ) interface technology to make a integrated cad / cam system based on internet, to achieve the goal of the global manufacturing, that is to say, the manufacturing resources can be shared in most platforms of computers and most areas in the world

    計算機網路技術和信息技術的飛速發展帶來了製造業的不斷變革，基於網路的cad cam作為一門新興的技術應運而生。充分利用網路技術特別是internet和intranet技術，將信息集成技術、計算機通信技術和dnc （直接數控）技術結合起來構成集成的網路cad cam系統，實現製造資源的共享、支持跨地區跨平臺的全球製造，是今後製造業的重要發展方向之一。
  18. In chapter 2, first give the theory of phased array radar. second introduce the analog t / r module and digital t / r module. third discusses some key technology of wide band digital t / r module, including ddws technology and quadrature modulate technology. at last present a scheme of l bandwide banddigital t / r module

    第二章首先介紹了相控陣雷達系統的組成和工作過程，其次介紹了模擬t / r組件和數字t / r組件的組成，然後介紹了寬帶數字t / r組件的關鍵技術，包括:直接數字波形產生技術和正交調制技術，最後提出了一種l波段寬帶數字t / r組件的框圖。
  19. A single neural cell self - adaptive controller is studied. furthermore, a direct digital control system of srm based on this single neural cell self - adaptive controller is designed by using mcs - 80c196kb microprocessor

    本文對單神經元pid自適應控制器進行了模擬，並將此演算法應用於sr電機直接數字控制系統中，以intel公司的mcs - 80196kb為控制器，進行了軟硬體的設計和調試。
  20. This thesis designes a motion control board which is based on dsp ( digital signal processor ), the aspects including high speed and high precision, real - time response and opening design of hardware are considered in the design. the motion control board can be plugged in the pci ( peripheral component interconnect ) slot of pc ( personal computer ), thus forms an inboard open cnc system

    本文從高速高精度、實時性和硬體開放式設計等方面考慮，設計了一款基於dsp （ digitalsignalprocessor ）的運動控制卡，該卡可直接插接在pc （ personalcomputer ）機的pci （ peripheralcomponentinterconnect ）插槽中，和pc機組成pc內藏cnc （ computernumericalcontrol ）型開放式數控系統。
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