步進轉換器 的英文怎麼說

中文拼音 [jìnzhuǎnhuàn]
步進轉換器 英文
step switch converter
  • : Ⅰ名詞1 (步度; 腳步) pace; step 2 (階段) stage; step 3 (地步; 境地) condition; situation; st...
  • : 進構詞成分。
  • : 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1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 步進 : step by step步進操作 step by step operation; 步進傳動 step by step drive; 步進法 step by step met...
  • 轉換器 : -ad
  • 轉換 : change; transform; convert; switch
  1. 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

    由於工業以太網技術的復雜性,目前還處于起階段,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行以太網與現場總線的信息,實際上是一種分層網路的實現機制。
  2. The system comprises three modules : the first is the ccd driver module, which controlled with cpld. programming the cpld to produce ccd driving pulses and synchronized communication signals. after preprocessing, the output video signals are transmitted into high resolution adc module, in which they are converted into digital signals, and then processed in arm processing module

    整個系統分為三個模塊: ccd驅動模塊的核心是一片復雜可編程邏輯件( cpld ) ,對其編程產生ccd的驅動脈沖及同控制信號;視頻輸出信號經預處理后,由高精度ad模塊行采樣,將ccd輸出的模擬信號成數字量;最後,將數據送入arm處理系統中行后續處理。
  3. Here we study the method of using com subassembly and ole automation technology to solve the integrate problem. this technology can fulfill the task of data ' s sharing and conversion, supporting the synchronization of space decision reasoning analysis and space information manipulation, realizing the seamless integration. the paper based on solving the evaluation of land using problem, by anglicizing the deficiency of gis ' s space decision and the merit of egis

    這里我作了用com技術及其統一數據傳輸機制和ole自動化功能行es和gis集成的研究:其中,將es作為控制, gis作為自動化對象連接起來,能很好地完成數據的與共享,支持空間決策推理分析和空間信息操作的同行,本文由此重點討論了com及ole自動化技術。
  4. After analysing several kinds of light - weighting structures through ansys, hexagonal speculum structure is confirmed. in the aspect of the controling of speculum, the paper adopts the brushless dc motor which is partial assembled to drive the point speculum and the inductosyn as angle measuring component is selected, the ad2s80a the system is used to get directly angle and angular velocity. double closed - loop speed and position control is designed, as the pid control is the well - developed algorithm, which can achieve stable rotation and precise position control

    在指向反射鏡的擺動控制方面,採用低速性能好的分裝式直流力矩電機作為指向反射鏡的驅動電機,並採用感應同作為角度測量元件,運用軸角ad2s80a行角度和速度的輸出,採用技術成熟的pid控制方案,行速度和位置雙閉環控制,以實現指向反射鏡動速度的平穩性和位置的精確性。
  5. This circuit board can translate impulse signal outputted from photoelectric sensor into ascii codes and then input them into serial interface of the computer, these ascii codes are ulteriorly displayed and disposed through the cat software

    該電路板可將光電傳感輸出的脈沖信號成ascll碼輸入到計算機串o ,通過相應的cat軟體行顯示與數據處理。
  6. To utilize the advantages of dsp chips, the system should be computing sources economical. according to digital signal processing theory, the poly - phase fir can help reduce the workloads of the ddc / duc. therefore, adding the complex carrier mixers, the channelization system ( a method of using a single wideband facility to transmit many relatively narrow - bandwidth signals. by subdividing the frequency spectrum used in the wideband channel ) can be formed utilizing the characters of fft

    為了使開發出的軟體可以適用於高速dsp件開發,節省系統資源,課題首先從數字信號處理的理論行分析,得出可以利用抽樣率的數字濾波的特點,即多相濾波實現數字上下變頻計算負擔的減小,之後將多相濾波與頻譜搬移部分結合,通過公式的推導,得出可利用快速傅立葉變的特點實現多路信號的通道化發射和接收的處理模型。
  7. At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder

    硬體方面,採用脈沖分配和單極性電壓驅動技術實現了電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a實現了交流變頻的控制功能;採用數字化相位檢測技術實現了感應移相位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼位置反饋信號的檢測功能。
  8. In the second chapter, we firstly present a circuit of 8 - bit, 80mhz samples / s thermometer - decoded dac with hierarchical symmetrical switching sequences which will compensate gradient error, on the basis of 8 - bit dac, we then present high frequency, high definition 12 - bit, 80mhz samples / s current - steering dac

    第二章:提出了具有梯度誤差補償的高速8位、 80mhz溫度計碼數模,並在此基礎上提出了高速、高精度12位、 80mhz采樣率電流舵結構數模
  9. Directly painting textures on top of 3d objects in 3d perspective viewport is a new issue of human - computer interface ( hci ). this paper presents a method to solve this issue. it converts the position information of the texture pixels of texture map into color information , and then transfers both the coordinates and the color of texture pixels into screen through texture mapping at the same time. only is the color information of texture pixels converted into illumination by calculating the normal and the angle of ray incidence of the screen pixel in the method. the texture coordinates are firstly converted into the color information by generating another texture map , which is called information map whose pixels ' color represents the coordinates information. and then the corresponding texture coordinates are mapped into screen reference frame by texture mapping and stored into information buffer for later use. so we can obtain the texture coordinates of screen pixels correspondingly by decoding from information buffer. after optimizing , we can paint textures on top of 3d objects in 3d perspective viewport in real time. the paper also gives some examples and related definitions of using additional information of 2d texture map for 3d graph generating

    針對三維逶視投影視圖中對三維物體表面紋理直接行噴繪,以獲得復雜紋理圖這一計算機圖形交互技術這一新問題,研究了一種將紋理圖的象素位置信息成彩色信息,然後利用紋理映射將紋理坐標連同該點上的顏色值一起傳遞到與屏幕象素對應的可見點上的方法,其中顏色值依該點處的入射光線方向和表面法向被為光強值,而紋理坐標則被解碼后還原成與該可見點對應的紋理坐標,被存入信息緩沖中,供以後使用,通過解碼,可根據屏幕點直接得到對應紋理象素點的坐標,經過演算法優化,實現了對三維物體表面紋理的實時噴繪;同時闡述了在三維圖象生成技術中使用附加紋理信息的應用實例以及相關定義
  10. The main circuit is consisted of 18 thyristors circuit and protection circuit. with the help of control subsystem, it can get the output of low frequency voltage ( current ) with the shape of sine wave ; the core of the control subsystem is the cpu of 87c196kc, and the synchronization circuit, the pulse - widen circuit, and the power - enlarged circuit form the accessorial subsystem of the control system. it possesses all the functions of digital triggering, digital tuning, analog / digital conversion ; the input transfer can isolate the input and output ; and the circumfluence reactor can reduce the circumfluence

    主迴路採用由18個晶閘管組成的三相零式電路,並輔以晶閘管的保護電路,通過控制可以得到低頻正弦波的電壓(電流)輸出;控制迴路主要以87c196kccpu為核心,其外圍電路包括同電路,脈沖拓寬電路,功率放大驅動電路等,完成了數字觸發、數字調節、模數等功能;線電源變壓具有變壓和隔離作用;環流電抗則實現了有效抑制主迴路瞬時脈動環流的功能。
  11. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速的整個程序框架、並聯pid的離散化過程行了分析,選用改的pid演算法實現了變參數、變結構的pid調節模式;調速的機械液壓隨動系統具有電機電液元件,採用五相反應式電機,根據其驅動特性設計了變頻調壓驅動,實現plc與電機驅動之間數字介面。
  12. 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

    隨著電力電子技術向高頻的大功率用電領域發展,功率mosfet在各種電力半導體件中的重要地位日益顯著,使用功率mosfet作為開關件的功率電路也日益增多,但隨著件開關頻率的提高(大於200khz ) ,由件極間電容引起的能量損耗將會影響到功率電路的能量傳輸效率,特別是在以mosfet作為開關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,因此如何減小開關件的損耗提高高頻功率線路的效率成為電力電子技術領域的重要研究課題之一。
  13. 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、據采樣值偏差大小行的比例?大長積分?小長積分、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,提出了系統的改意見。
  14. So the peripheral parts are not need any more, which makes the unit simplified. the design of active electrodes, moving the amplifier to the front electrode, simplifies the central unit further

    同時有源電極的設計令放大電路前移以及採用了其他微型元件(電源穩壓晶元、電平等)使中心處理單元微型化。
  15. According to the automatic control theories, the hardware of the system is divided into the control equipments and the control object. the control object is the step motor which makes the antenna platform rotate

    控制裝置由微機、 a d、脈沖信號發生電機驅動組成,被控對象則是帶動天線動的電機。
  16. In hfbwt type, electro - hydraulic converter is replaced by high reliable step - motor to avoid the fault caused by dirty oil, so it has high response speed and good adjustable characteristic

    Hfbwt型用口高性能電機取代電液,徹底解決油污發卡問題。起響應速度快,調節品質好
  17. The microcomputer of at89c52 is the key part of the system which include transducers, charge amplifiers, filters, a / d transformer as well as the executive circuit which is corresponding with stepper motor

    該系統是以at89c52單片微型機為核心,外圍硬體包括傳感、放大、濾波、 a d等以及與電機配套的執行電路。
  18. This paper analyses the type, function and characteristics of usual proportional control valves and raises a new modificative version in the light of their drawback. that is, basing on the principle of flow amplification and electrical feedback and throughout calculation and analysis on flow closed loop control and pressure flow combination., determination of the minimum controlled pressure difference as well as flow controlling range and structure of main valve and research of the dynamic and static characteristic, the paper puts forward control principle of " flow - load pressure change - displacement revision " and pressure / flow double closed loop, and further expounds that using a proportional controller and a electric mechanical transducer can separately serve the control function of pressure or flow as well as flow pressure combination

    本論文分析了目前常用比例閥的類型、功能、特性,並針對其不足提出新的改方案,即:以流量放大,電反饋兩個原理為基礎,通過對流量閉環控制及壓力流量復合的計算分析、確定上最小控制壓差及流量控制范圍,確定主閥結構、功能特性研究等,提出了「流量? ?負載壓力變化? ?位移修正」的控制原理和壓力流量雙閉環控制原理,並論述了利用一個比例控制和一個「電?機械」就可完成獨立的壓力或流量控制功能以及流量壓力復合控制功能。
  19. Chapter 4 introduce the design of the chaotic adc circuit, and also give the simulation result in pspice. chapter 5 optimize the chaotic adc from both the mapping function and the architecture of circuit, and give some theoretical analysis and comparison

    第5章從映射函數和電路結構兩方面對混沌a / d的設計方案作了的優化,並對其基本性能作出了理論分析和比較。
  20. You can further extend this design - time functionality to create custom toolbox items, type - specific value editors that can edit and graphically represent values of their supported types, or type converters that can convert values between certain types. this namespace provides the basic frameworks for developing extensions to the design - time ui

    可以擴展此設計時功能來創建以下對象:自定義工具箱項,類型特定的值編輯或類型,其中類型特定的值編輯用於編輯和以圖形方式表示所支持的類型的值;類型用於在特定的類型之間值。
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