數位電子控制 的英文怎麼說

中文拼音 [shǔwèidiànzikòngzhì]
數位電子控制 英文
digital electronic control
  • : 數副詞(屢次) frequently; repeatedly
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  • : 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...
  • 數位 : numerical digit; digit; place; digit position
  • 電子 : [物理學] [電學] electron
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  1. Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor

    在全面分析了稀土永磁無刷直流動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和字模擬分析,分別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種動機構用永磁無刷動機,在小范圍轉速連續調節下的閉環穩速技術進行了詳細理論研究,提出了利用轉置傳感器信號間接測量機轉速進行機轉速閉環穩速的策略。
  2. The system uses the pc and the at89c52 as the control center of the system. the pc optimizes the control parameters as the calculation control unit. the at89c52 receives the various parameters by serial communication with the power measurement system and the fuel consume measurement system and the emission measurement system and the ecu and so on, then sends into pc by sharing the ram with the pc as the communication control unit

    該系統採用pc機和單片機at89c52為上機,以pc機作為計算單元,對發動機進行優化;單片機作為通訊單元,與作為下機的測功器加載系統、油耗測量系統、排放測量系統以及發動機單元ecu等系統進行串列通訊接收各參,並通過與pc機共享ram送入pc機。
  3. A data acquisition system with the following features is realized : ? transmission rate up to 100kbyte / s over usb ; ? system ' s dynamic range as high as 120 db ; ? multi - kind of trigger mode control ; ? sampling rate as high as 100 ksps ; ? 12 - bit a / d conversion accuracy ; ? 32k bytes on - board data memory ; ? the system, which was made up of large - scale electronic chips, is small, light and portable, and suitable for field use

    本設計最終實現了一個瞬態信號據採集系統,它具有以下特點: ?採用usb介面進行高速據傳輸,傳輸速度達100kbyte / s ; ?採用浮點a / d轉換技術,動態范圍達120db ; ?多種采樣觸發方式; ?最高采樣率100ksps ; ? 12采樣精度: ? 32kb據緩存; ?使用新型大規模器件,系統結構緊湊,重量輕,適合野外作業。
  4. Patented structure, ptc heating ; hot air blowing for quick dry ; microcomputer chip control, led digital display, optional timing within 3 hours, 500w, provide dismountable hangers, stand feet, mainframe and umbrella parts, hanger buckle for optional positioning and attached with packing bag for storage when unused

    專利結構,通過ptc發熱,風葉吹出熱風將衣服晾乾,微腦晶元led發光碼顯示, 3小時內任意定時,功率500w ,可提供可拆卸的衣架,支腳?主機?傘架可拆卸,可任意定的衣架扣,附有包裝小袋,便於不使用時收起包裝。
  5. On the basis of familiar with can bus and gsm communication, considering hev ( hybrid electric vehicle ) battery administrative system ' s demand for the host pc monitoring system, i have designed can - rs232 converter gateway to realize transmission the real - time data from can node to rs232 serial port, which is carried out by the project of at89c52 mcu + sja1000 can controller + 82c250 can controller interface. host monitoring software has accomplished real - time datas display, storage, historical datas graph analysis and storage fashion change from access to excel, at the same time, realized important datas transmission remotely with tc35 short message module. system software programs in assembly and vb

    Can - rs232轉換網關採用at89c52微處理器+ sja1000can器+ pca82c250can器介面實現對can總線節點通訊的監聽,並將其轉換成rs232串口平發送到pc機串口,同時用siemens公司的tc35模塊和at指令實現現場採集系統重要據和錯誤信息的短消息通訊。在上pc機監系統中,主要完成的是對串口設置的選擇、現場採集據的實時刷新顯示、歷史據的圖表分析及據的access據庫存儲和excel表格的轉換。系統軟體採用匯編語言和vb實現。
  6. L. a. zadeh, a famous american electronic engineering and cybernetics scientist with profound insight, played emphasis on this kind of problem and published < < fuzzy sets > > for resolving it in 1965. he amended and extended set theory - the basis of modern mathematics with a bold hand and brought forward the thinking of using fuzzy set as a mathematical model to representing fuzzy business

    美國著名的工程學家和論專家扎德( l . a . zadeh )是很有見識的科學家,他正視並為解決這類問題於1965年,發表了《模糊集合》一文,大膽地對現代學的基石?集合論進行修改和擴充,提出了用模糊集合( fuzzyset )作為表現模糊事物的學模型。
  7. Servo control computer system / microcomputer universal testing machines, ozone tester, compression flexometer, computer hdt / vicat tester, digital impact tester, melt flow indexer, moving die rheometer, mooney viscometer, lamination of pvc plastic press tester

    伺服腦系統微腦式拉力試驗機,耐臭氧機,橡膠壓縮生熱試驗機,塑料用維卡熱變形,沖擊試驗機,塑膠熔體流動速率機,無轉密閉膜腔硫化儀,門尼黏度試驗機等等。
  8. In this paper, a high integrated and intelligent digital dsp - spm system is developed based on the nspm6800 spm manufactured by the beijing zhongke mechanical & electrical equipment co. at present, the pc of spm system is burdened with not only sending and receiving data, but also disposing of image, which hinders the enhancement of speed of the system. in addition, as the function of spm is expanding, including tappingmode afm, efm, mfm, scm, etc, one hand, it amplifies the range of the application of spm, on the other hand it also means that the task of autocontrol and data transfer heavier. the advantages offered by the dsp compared to analog systems include considerable flexibility in the choice of the signal processing algorithm and greater ease in managing control parameters by the host computer, which are very important for the improvement of spm

    本課題以北京市中科機設備公司的nspm - 6800型掃描探針顯微鏡為基礎,重新設計了以dsp為核心的系統,主要解決原系統存在的以下問題: ( 1 ) pc機既要實時據的採集與發送,又要進行圖像的后處理,整個系統的實時性難以達到要求; ( 2 )隨著spm功能的擴展,一方面包括輕敲式原力顯微鏡、場力、磁場力、掃描容場顯微鏡等技術在內的spm技術擴展了儀器的測試范圍和功能,另一方面也意味著自動量的增加和據處理量的增加; ( 3 ) 16a d 、 d a都採用的是購買的板卡,也通過isa槽插在pc機內,成本高,不利於擴展; ( 4 )另外,字板通過isa槽插在pc機內,易受于擾,而且給安裝帶來不便。
  9. At last, it deduced a new improvement method from the theories, and make use of a new physical concept ? the independent of speed function for accuracy checking up the turns sub - position and the communication point so as to control sensorless brushless dc motor with the breadth regulating - speed scope from zero to high speed. based on the function, it will research the new control method

    最後,從理論上推導了新的改進方法,並利用一個新的物理概念? ?與速度無關的置函g ( ) ,其能高精度檢測出轉置和換相點,以此來無刷直流機,實現機從零轉速到高轉速的寬速度范圍調節,在此基礎上研究了應用這種新的置函策略。
  10. These chip inductors provide maximum protection features for solder reflow, welding and come with precise formed caps of high temperature acrylic for perfect co - centering and vacuum pickup. they have excellent solderability and are able to withstand pull - up force, mechanical shock and pressure. available in sizes of 0402, 0603, 0805, 1008, 1206, 1210, our chip inductors have wide inductance range for virtually all broadband and rf applications

    臺達提供全系列之被動元件,包括0402 0603 0805 1008 1206與1210系列,可應用於行動話基地臺寬頻通訊無線話個人助理pda呼叫器搖視機上盒據機振蕩器與高頻模組等。
  11. This card largely depends on three integrate chips to fulfill its function : 1 ) nic control main chip, corresponding the mac sublayer of ethernet, to realize csma / cd media access protocol, manage the sending and receiving buffers integrated on the chip and provide motherboard pci interface. 2 ) serdes ( serializing and deserializing ) chip, corresponding pcs and pma sublayers in ethernet, mainly to complete 8b / 10b coding and convert 10 bits parallel data to serial data, and convert them again at the receiving end. 3 ) fibre transceiver unit, completing light - electrical conversion of seri

    該網卡主要由3塊集成的晶元完成其功能,分別是i )網路主晶元,對應于以太網的mac層,主要完成csmaicd介質訪問協議,管理片上集成的發送和接收緩沖區,並提供和主板p0總線的介面: b ) s rd s (串列解串列化器)晶元,對應于以太同的pcs和pma層,主要完成sb lob編碼並將10并行的據轉換為串列據,在接收端完成相反的功能:涌)光纖收發器,完成串列據的光轉換功能。
  12. According to the fact that power factor of low voltage power networks is very low in china and field bus technology is developing in the world, in order to enhance power factor of low voltage power networks, on the basis of central transmitting and controlling information among every compensation equipment, the author of this dissertation studies systematically the design principles of power factor dynamic compensation system. based on analyzing structure of control system at present, the author of the dissertation puts forward a distributed completely and multi - layer structure framework based on field bus technology and builds a power factor intelligent dynamic compensation system. the functions of compensation unit, intelligent node, host computer, are presented

    根據目前低壓網用負載功率因偏低和國內外現場總線技術的應用現狀,立足於提高交流機的功率因,基於將每個補償裝置進行集中監、信息集中傳遞的思路,本文作者在分析現有的系統體系結構的基礎上,提出了基於現場總線技術的全分散式多層系統的體系結構,構建了功率因素智能動態補償系統;對補償執行單元系統、智能節點系統、上系統三部分進行了功能分析。
  13. The controllers have considered all sorts of imperceptible factors affecting the servo performances in a lpmsm servo system, which include the parametric uncertainties brought by the changes of the mobile mass, frictional coefficient, the thrust fluctuations aroused by the varieties of the magnetic density distributions and the time harmonic. the h state feedback controller restrains disturbances and uncertainties to keep the robust and stable performance. the ip controller, which has the ability of rapid response, is applied to satisfy the rapid performance

    在分析雙環問題時,針對直線永磁同步動機,仔細考慮了能使伺服系統性能變壞的各種細微因素,如:永磁同步直線機動質量變化、摩擦系變化等造成的模型參不確定性,機運行期間存在磁密分佈變化、時間諧波等產生的推力擾動等,採用了ip速度器和h _狀態反饋器相結合構成直線伺服的內環器,並輔助設計了外環的pi器。
  14. This strategy has many advantages : solving the problems that the system is unsteady under super - synchronization ; improving power factor of stator ( it is unity relative to that of rotor ) ; no rotor position sensor and no initial position measurement, easily building up doubly fed speed adjustment system with speed sensorless because adjusting speed is taken in the rotor coordinate and rotor current vector fixing is implemented

    該方案由於引入了定流勵磁分量的閉環,使系統同時具有轉速和勵磁調節兩個調節通道,具有如下優點:一、解決了超同步工作工況不穩定的問題;二、提高了定側的功率因(與轉側功率因為1相比) 。三、由於速度調節在轉坐標系下進行,並以轉流矢量定向,所以無須轉置傳感器,也不用檢測初始置,易於組成無速度傳感器雙饋調速系統。
  15. In order to minimize the torque ripple of srd, the dissertation further design the intelligent torque control system, introduce the instantaneous torque control strategy based on torque distribute function, which is implemented by the flux linkage controller of srm. furthermore, considering the multi control parameter, the article also found the rotor position angle controller based fuzzy logic so as to optimize the whole control system and effectively reduce the torque ripple

    為了降低srd系統的轉矩脈動,本文在所建模型的基礎上,設計出智能化轉矩系統,利用轉矩分配函,提出瞬時轉矩策略,同時採用磁鏈器來實現;考慮到srd具有可多的特點,本文同時建立了優化轉置角的模糊器來達到智能化轉矩的目的,從而有效抑sr機的轉矩脈動。
  16. In research of controlling system about the switched reluctance motor system ( srd ), there are two prominent problems, one is that it is difficult to set up accurate mathematical model of srm due to serious nonlinearity caused by double - salient structure, the other is that the previous schemes of srd are always equipped with rotor position sensor, which determines the system ' s high speed performance, reliability and cost. as a result, how to detect the position of non - position sensor rotor has become one major direction in the study o f srd

    其中較為突出的問題是: 1 )由於sr機的雙凸極結構,機模型具有嚴重的非線性,使得建立sr機的學模型非常困難; 2 )轉置傳感器的存在影響了系統的高速性能、可靠性和成本,所以研究無置傳感器轉置檢測技術(或間接置檢測技術)是開關磁阻機系統( srd )系統研究的重要課題之一。
  17. In the paper, the gpr system developed by us employs several optimization techniques to enhance the system performances, including antenna, sampling - hold circuit, orientation wheel, function of system software, multithreading, and signal processing algorithms. as the result the system works more well with these techniques, and its azimuth and distance resolution of 10 cm has been achieved with detection depth of more than 50 cm. the main contents of this dissertation are summarized as following : 1

    本文根據探地雷達系統工作原理,在科技大學探地雷達系統樣機研製的基礎上採用了各種有效的優化技術,包括探測前端、采樣保持路的優化,定輪、目標定、多線程技術的應用,據採集處理和軟體功能的拓展、各種有效的信號預處理演算法的應用等,顯著提高了系統的探測性能和增強了探測效果,使得系統方、距離解析度均達到了10cm ,探測深度大於50cm ,其性能指標達到國外先進水平,為進一步的實用化奠定了重要的基礎。
  18. Regard how to structure the control system of sensorless bldcm with dsp - tms320f240 as the centre in this paper, the detailed argumentation course of the motor startup, bemf terminal voltage measurement and control strategy is given out, give and pay concrete details for the software and hardware realization and experimental result. in order to treat the bldcm control system with dsp clearly, the full paper divides into six chapters altogether : chapter one, introduceing the development course, the structure characteristic and operation principle, etc. of bldcm in the introduction ; chapter two, directed against the startup issue of bldcm, the chapter give and publish the rotor measure pulse orients technology for motor startup in detail ; chapter three, proceed with mathematics model of the bldcm, expounding the control schemes ; chapter four, two important devices introducing : dsp ( 240 tms320f ) and power invertor control chip ( ir2131s ) ; chapter five, give and publish the detail of hardwares of control system ; chapter six, by ccs ide of ti, realize the control schemes in the front chapters with software, offere the procedure flow chart of main subroutine and some key place of programming, the experiment result in addition

    全文共分六章:第一章、緒論中介紹了bldcm的發展歷程、機本身的結構特點和工作原理等;第二章、針對五置傳感器bldcm的起動問題,文中詳細給出了檢測脈沖轉起動技術;第三章、從機的學模型入手,詳細論述了反動勢端壓法和系統的策略;第四章、介紹了硬體實現中的兩個重要器件: dsp ( tms320f240 )和功率管逆變器晶元( ir2131s ) ;第五章、詳細給出了系統的硬體實現細節;第六章、利用ti提供的ccs集成開發環境,將前面章節的方案用軟體加以實現,給出了主要部分的程序流程圖和一些編程要點以及實驗結果。
  19. The topic is from the national " 973 " project " the new principles and methods of high - performance electronic components of digital product design manufacturing ". closely combing with the high - speed high - precision planar parallel position robot developed by the project, we have carried out a deep research on robot control system architecture, time - optimal control algorithm and servo system control algorithm, achieving high - speed and high - precision point to point control and trajectory tracking control

    本課題來源於國家「 973 」計劃項目「高性能產品設計製造精微化字化新原理和新方法」 ,密切結合該項目所開發的高速高精度平面並聯定機構,對機器人系統體系結構、時間最優演算法以及伺服系統演算法進行了深入的研究,實現了高速度、高精度的點和軌跡跟蹤效果。
  20. Intelligent transportation systems ( its ) is an accurate and efficient real time urban traffic management system with application of advanced information technology, data communication technology, electronic control and computer processing technology. as we all know it is the best way to solve the problem of the traffic transportation field, especially traffic jam, traffic accidents and traffic pollution

    智能運輸系統( its ) ( intelligenttransportationsystem )是在關鍵基礎理論模型研究的前提下,把先進的信息技術、據通訊技術技術及計算機處理技術等有效地綜合運用於地面交通管理體系,從而建立起一種大范圍、全方發揮作用,並實時、準確、高效的交通運輸管理系統。
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