線路轉換技術 的英文怎麼說

中文拼音 [xiànzhuǎnhuànshù]
線路轉換技術 英文
line switching technique
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • : 轉構詞成分。
  • : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
  • : 名詞(技能; 本領) skill; ability; trick; technique
  • : 術名詞1. (技藝; 技術; 學術) art; skill; technique 2. (方法; 策略) method; tactics 3. (姓氏) a surname
  • 線路 : 1. [電學] circuit; line 2. [交通運輸] line; route
  • 轉換 : change; transform; convert; switch
  1. According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also

    根據系統要求,採用單片機實現了混合式直流直步進電動機的開環數字控制;利用v f變和復合鍵控方法實現了系統速等參數的數字設定;利用細分控制保證了電機運行的平穩性,並進行了波形分析和理論研究;採用單片機軟體降速控制策略解決直步進電機行程末端的機械沖擊問題;同時對主功率電、驅動電和系統保護電進行了分析,完成了硬體設計、製作和軟體編程、調試,最後在混合式旋步進電動機上進行了全面測試。
  2. Being the complexity of the industrial ethernet technology, at present it still be in its first phase of development, and it has several different forms. compare with other forms, the traditional multi - protocal converting form has the simplest realization. it is realized by gateway or agent server to transform information between ethernet and field bus, actually to be a sort of realization that the network is comparted into different layers

    由於工業以太網的復雜性,目前還處于起步階段,有多種組網形式。相對來說傳統的跨協議方法實現最簡單,它通過網關或代理服務器進行以太網與現場總的信息,實際上是一種分層網的實現機制。
  3. In the part of detector, it mainly introduces the design of liquor tubes, heater, pressurize, and thermocouple ; in the part of controller, this design uses tms320lf2407 as the cpu. the design part mainly introduces controller circuit design which mainly contains data collection circuit, prepositive magnifying circuit, a / d convert circuit, failure self - diagnosis circuit, the tms320lf2407 interface circuit, temperature control circuit, display circuit, 4 ~ 20ma standard signal output circuit ; in the software part, it mainly introduces software chart of main program and partly linearization subprogram design

    檢測器部分重點介紹了導流管的設計、加熱器的設計、密封的設計以及測溫電的設計;控制器部分以tms320lf2407為核心,重點介紹了控制器電設計,主要包括數據選擇電、前置放大電、 a / d、故障自診斷電、 tms320lf2407介面電、控溫電、顯示電、 4 20ma標準信號輸出電共八個部分;軟體設計重點介紹了主程序軟體設計及分段性化子程序設計。
  4. The error of hall element is analysed and the compensative method is provided ; this paper makes the theoretical analysis of errors producing by the instrument amplifier and a / d converter. we adopt the technology of digital filter and linearization implementing by the neural network method

    對霍爾元件的誤差進行分析並給出補償方法;對儀表放大器和a d器引起的誤差進行了理論分析;採用了數字濾波和採用神經網方法實現的非性校正進行軟體補償。
  5. From the paper, it can be concluded that it is necessary to make many intellectual electronic equipments access the internet in the new era, with the development of the computer, communication and the network technique, and the embedded network platform based on the advanced x86 microcontroller has the characteristics of simplity, clarity and high - adaptability in the applications, it can be widely applied to many industrial fields such as power automation, communication terminal, monitoring and measuring system on line, embedded web, network protocol transformation, intellectual instruments etc

    縱觀全文,得出如下結論:隨著計算機、通信及網的發展,實現大量智能電子設備與internet的結合,即電子設備web化是信息時代的新趨勢。基於本文方案構建的高端x86嵌入式網平臺具有應用開發簡單快速、靈活適應的特點,可廣泛應用於電力自動化及各種電氣測控設備、通訊終端、在監測系統、嵌入式web 、網協議、智能儀器儀表等眾多工業領域。
  6. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中,採用高速的dsp處理器,實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法,實現了大電流信號的驅動輸出;採用485總,組建了裝置主機與多探測器之間的主從式通訊網,實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電,採用磁感應的方法實現了對空間微弱信號的接收;利用fpga,實現了控制器與多外設的介面及數字信號的串並;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元,設計了人機信息交互的介面;採用了模塊化的軟體設計方法,開發了裝置主機及探測器的軟體程序。
  7. This thesis focuses on the ingress process module of ctu, which translates c - 5 dcp format to rainier 4gs3. the specification analysis, architecture and logic design, functional simulation testbench design, synthesis report and testing result are discussed in this thesis. the research work mainly includes : the specification analysis and design requirements of ctu logic ; the architecture and logical design of ingress process module, which includes receive control fsm, send control fsm and cell position adjustment logic ; the performance improvement of ingress process module to receive and transmit data cell at the full line speed

    本論文的主要研究工作包括:通信協議邏輯的功能分析和設計需求;通信協議邏輯上行方向的系統分析及體系結構設計,包括上行接收狀態機、發送狀態機、信元內位元組位置調整機制等的設計;通信協議邏輯上行方向的速設計,主要是上行接收的速設計,要使用流水設計;提出了高速實現roundrobin調度策略的實現方法,並設計實現了桶式移位器和優先級編碼電;應用bfm模擬模型設計了上行處理各模塊的模擬testbench ,完成了各級模塊的模塊模擬和系統集成模擬。
  8. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機變頻調速的發展概況,在回顧電梯液壓控制系統節能的基礎上,介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理,分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式;詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計,重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量裝置的設計、多功能集成控制閥組的設計等內容;最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接、計算機控制及數據採集系統的硬體設計等內容。
  9. With the development of electronic technology in the field of high - frequency and high - power, power mosfet is gradually enhancing its important status in semiconductor apparatus and is being widely applied in power converters as switch. with the increasing of the operating frequency ( > 200khz ), the energy loss caused by parasitic capacitance will affect the efficiency of power transforming in converters. especially in the applications of high frequency power supply using mosfet as main devices ( the unit of frequency is mhz ), the energy loss caused by the switch process will badly affect its efficiency

    隨著電力電子進一步向高頻的大功率用電領域發展,功率mosfet在各種電力半導體器件中的重要地位日益顯著,使用功率mosfet作為開關器件的功率也日益增多,但隨著器件開關頻率的提高(大於200khz ) ,由器件極間電容引起的能量損耗將會影響到功率的能量傳輸效率,特別是在以mosfet作為開關器件的高頻感應加熱電源中(工作頻率可達兆赫) , mosfet在開關過程中的能量損耗嚴重影響到電源的效率,因此如何減小開關器件的損耗提高高頻功率的效率成為電力電子領域的重要研究課題之一。
  10. The contact freeform surface meaurement system the authors are developing is introduced in this paper, it is the application of cmm in the reverse engineering of part. the components of its software and hardware are analyed. under the circumstances of cad modelis unknown, somecirtical problems are studied such as the measurement points adaptive localization, the measurement path, layout and measurement data disoposal etc. based on measuring the curved surface of the cam, the scaning software have be designed in measuring the curved surface in cmm. the cmm ' s data can transfer to cad / cam system

    分析了其軟硬體的組成,並對在cad模型未知的情況下,測量系統軟體中的一些關鍵,如測點的自適應分佈、測量徑的規劃和測量數據的處理方法等作了研究。並以凸輪輪廓曲為例,編制了相應的曲面輪廓掃描軟體,並使三坐標測量機的測量數據為cad cam能接受的圖形信息格式。
  11. The solution is that we design a target machine, and translate the source codes into the target machine codes by program translation, then generate the assembly codes from the target machine codes, assemble and link the assembly codes into exe file, at last execute the exe file to get the result of program

    在實現方面,提出了編譯lfc的,設計一個目標抽象機,通過程序翻譯的方法將源程序翻譯為目標抽象機代碼,然後再將抽象機代碼為匯編代碼,匯編裝配連接執行。
  12. Taking dc motor test as an example, a creative idea of applications of some advanced signal processing tools, such as time - frequency analysis, wavelet, and instantaneous frequency ( if ) evaluation, in motor testing field is presented. the paper systematically summarizes basic theories of time - frequency analysis and wavelet transform based on which an in - depth research of effective if evaluation based on wavelet ridge and wavelet curve is carried out. in the end a fast t - n characteristic testing system with neither torque nor speed sensor is successfully developed

    本論文主要關注小波分析在電機性能自動測試系統中的應用,針對傳統電機測試系統以及信號處理在電機測試領域中應用的不足,以直流電機為例,提出了將時頻分析、小波包變以及基於小波脊的瞬時頻率提取方法應用到電機測試領域的新思;較系統地總結了時頻分析和小波變的基本理論,深入探討了基於小波脊和小波曲的瞬時頻率提取,並成功開發了基於正交小波包分析和基於小波脊的瞬時頻率提取的無速傳感器的直流電機快速測試系統。
  13. Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly

    但是高性能的交流調速系統實現很困難,這是因為交流電機是多變量、強耦合的非性系統,不易實現高性能矩控制。矢量控制則解決了交流電機解耦與矩控制問題,其基本思? ?應用坐標變將三相等效為二相,實現定子勵磁電流分量與矩電流分量之間的解耦,達到對交流電機磁鏈與電流分別控制的目的,交流電機等效為直流電機實現高性能調速。隨著電力電子的進步,計算機飛躍發展,高度集成的專用模塊和高精度的數字信號處理器應用於交流傳動系統中,促進矢量控制迅猛發展,日趨成熟。
  14. Millions. at present, these are more than 500 employees in our company ( including over 10 medium & high grade managerial personnel ), and it occupies over 5, 000m2, which is an enterprise specilized in the production of jacks, merging managerial modernization, marketing globalization, intelligent office operation and comprising manufacturing, sales, technical development and design into the whole. now we have telephone jack, computer jack, ft2 clipped connection module, telephone wall module jack, net exchanger, rj11 and rj45 connector and so on over 200 products

    管理人員數十人,工廠佔地面積5 , 000平方米,是一家管理現代化,產品營銷全球化,辦公操作智能化以及集開發、設計、生產、銷售於一體的專業接插件生產企業。公司現有電話、電腦插座、通訊卡接模塊、電話接盒、網器及rj11 、 rj45連接頭等200多種產品。
  15. 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、網通信、多,實現了基於pc機的視景實時互操作支撐平臺( pc - vrisp ? real - timeinteractivesupportingplatformforvirtualsimulationbasedonpersonalcomputer ) 。
  16. Advanced fpga technology is introduced to improve the integration of digital circuits, and all digital circuits in the original module are integrated in the fpga chips, which could not only reduce the cost, but also improve the reliability and measurement precision of the circuits. high speed digital signal processor ( dsp ) is selected as the coprocessor instead of scm ; it can receive all kinds of commands sent from vxi, analyze and execute the commands, harmonize each section of the module and process the data. higher - conversion - speed comparator chip is adopted to convert the input signals being measured into square waveform signals which could be identified by fpga chip ; it can expand the measurement range of frequency dramatically

    本文在原有vxi總四通道計數器模塊的設計基礎上,通過對原模塊缺陷的分析,採用一些新的和新的電子器件來重新設計該計數器模塊:採用最新的fpga來提高數字電的集成度,將原模塊中的所有數字電全部集成在fpga晶元中,這樣不僅能節約成本,還能提高電的可靠性和測量精度;採用高速的數字信號處理器( dsp )取代原有的單片機作為協處理器,來接收vxi發來的各種命令,分析命令、執行命令、協調模塊各部分的工作以及對數據的處理;採用速率更高的比較器晶元將輸入的被測信號為fpga晶元能夠識別的方波信號,能極大提高測量頻率的范圍;採用d / a晶元和隔離運算放大器得到隔離通道所需的比較電平,該比較電平值能夠根據實際需求進行設置,能增強模塊的使用靈活性。
  17. The meter ( which is called pccm2002 for short ) is designed on the basis of mcs - 51 single - chip microcomputer technique. the hardware is composed of single - chip microcomputer module and electrochemical module. the single - chip microcomputer module can be divided into five parts, cpu circuit, a / d and d / a circuit, peripheral memory circuit, i / o interface circuit, distributing address circuit ; the electrochemical module is made up of potentiostatic circuit, galvanostatic circuit, potentiostatic - galvanostatic ( p - g ) conversion circuit, signal measuring circuit. the software of the meter is edited by c51 language, it is well - structured and module. all program modules have been linked into an executable files after compiled separately, then copy to eprom

    恆電位控制下的恆電量智能化腐蝕監測儀採用基於mcs - 51單片機的智能化設計,儀器硬體由單片機系統模塊和電化學介面模塊組成,單片機系統模塊包括cpu電,片外存貯器擴展電,模數和數模( a d和d a )電,輸入輸出( i o )介面電,地址分配電,各電模塊通過系統總信息;電化學介面模塊主要由恆電位電,恆電流電,恆電位-恆電流( p - g ),信號放大與採集電組成。
  18. Three duplication based task scheduling algorithms are presented. these algorithms have good performance, and its application on a real multi - core and multi - thread processor ( network processor ixp ) are demonstrated. it also show that how a uniform network programming environment could be built through address translation and iterative compilation techniques

    然後結合一種實際的多核多程處理器(網處理器ixp )展開了對任務調度實例化研究,並且運用地址和迭代編譯等構建了新型統一網編程環境,又結合實際網應用提出了吞吐量與延遲相結合的網任務調度演算法。
  19. As various kinds of technology including computer, communication, control and cathode ray tube ( crt ) developing quickly, measurement & control network ( mcn ) tends towards networking, distributing, opening and interoperating, which is widely applied in many fields such as industry automation, intelligent building, processing control, etc. firstly, this paper makes a detailed study on the prevalent field control systems ( fcs ), including the characteristics of structure & technology and advantage, introduces several popular field buses, designs the model of field control system, and puts forward three effective methods to integrate between the mcn & information network under different situations

    計算機、控制、通信、圖形顯示和計算機網的迅速發展,推動著測控向網化、分散式、開放性和互操作性的方向發展,它被廣泛應用於工業自動化、智能大廈、過程式控制制等領域,大大提高了生產效率與經濟效益。本文首先分析了當前流行的fcs網的結構特點、特點和優勢,介紹了幾種較為流行的現場總,構建了企業生產的。 fcs網模型,並提出了在控制網和信息網之間加入介面、採用dde和使用統一的協議標準三種集成方式。
  20. It shows the advantages of xml as the approach of data exchange. and, the conversion technology of wap pages will decrease the development and maintenance costs. through the analysis of " siyuan " homepage and the wireless site of yangzi evening paper, it can be seen that the conversion technology of wap pages is feasible and valuable

    在實現這些目標的過程中,比較了html 、 xml和wml三種網語言之間的異同,突出了xml進行數據交的優勢,使得資源共享程度顯著增強;同時,利用wap頁面降低了wap站點的建設難度、減少了維護投入;另外,以河海大學「思源」網、揚子晚報無版為實例進行分析,表明wap頁面具有可行性和實用價值。
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