機電式計數器 的英文怎麼說

中文拼音 [jīdiànshìjìshǔqì]
機電式計數器 英文
electromechanical counter
  • 機 : machineengine
  • 電 : 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...
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 機電 : electromechanical機電設備 electromechanical equipment; electromechanical device
  • 計數 : count; tally; counting計數卡 numbered card
  1. 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總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，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路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;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。
  2. The principle and the mechanical structure of the air - gap inductance - type transducer are analyzed in this article, and the static parameters are calibrated. dynamic calibration is applied to air - gap inductance - type transducer which is not good in dynamic capability, to obtain the dynamic parameters of the transducer and its measuring circuit. based on the result of the dynamic calibration, the transducer and its serving circuit are modeled so that the method of how to improve the dynamic performance can be found

    本文對現有氣隙式電感傳感器在原理和機械結構上作了深入的分析，對其參數進行了靜態標定；並且針對常規電感傳感器動態響應低，不宜用於快速動態測量的缺點，引入測試系統動力學的思想，設計了一套動態校準系統，對現有傳感器進行多次動態校準，根據動態校準的實驗結果對現有傳感器建立數學模型，得到現有傳感器的動態特性；在此基礎上，根據磨床工件在線檢測的要求，設計一個硬體補償系統來提高整個測試系統的動態特性。
  3. During the circuit design, the author analyzed the basic principle of the direct current motor, pwm control, h - bridge power driver, and two control techniques of h - bridge power drive circuit, designed its general structure, so the feasibility of the design is confirmed. then, reference, oscillator, power dmos gate drive circuit ( charge pump, bootstrap ), and dead time generation circuit are designed and analyzed in the sub - circuits. a current - controlled oscillator is presented in this thesis

    在電路設計中，作者介紹了直流電機的工作原理和數學模型、脈寬調制（ pwm ）控制原理、 h橋電路基本原理和h橋功率驅動電路的兩種控制模式，設計了驅動電路的總體結構，給出了電路的功能模塊，確定了設計的可行性，然後在子電路模塊中，重點分析設計了基準源電路、振蕩器電路、高端功率管柵驅動電路（電荷泵及自舉電路） 、低端功率管柵驅動電路和死區時間產生電路。
  4. Our object is an intermediate frequency modem of a software defined radio transmitter - receiver of multi - service, multi - modulationmode and multi - processdatarate. first, related software defined radio theory is introduced ; later, channels of transmitter - receiver are designed with consideration of data format, modulation, fec, interwaving. and scrambling ; emphasis is placed on theory and implementation of an audio compression algorithm cvsd ( continuous variable slope delta modulation ) and a fec technique convolutional coding - decoding

    本文首先介紹了相關的軟體無線電理論；然後完成了包括數據格式，調制方式，糾錯碼方式，交織器和擾碼器等部分的中頻數據機通道設計；接著著重介紹了系統中使用的音頻壓縮演算法cvsd （連續可變斜率增量調制）的原理和實現，以及作為前向糾錯碼的卷積碼編碼理論和編解碼的高效實現。
  5. 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技術的發展概況，在回顧電梯液壓控制系統節能技術的基礎上，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、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、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線、計算機控制及數據採集系統的硬體設計等內容。
  6. The design undertaken mainly from the following aspects : 1, mechanism ddesign : included the base and the joints : 2, trasmission mechanism design : adopted a synchronous toothelike transmission bell ; 3, balance system design : adopted springs and a brake and a lay air cylinder ; 4, design parameter and verify alculation ; 5, established motion equation by d - h method ; 6, simulated the motion locus by matlab software ; 7 ^ mapping out the part drawing or asesembly drawing

    本設計主要是從以下幾個方面入手： 1 、機構設計：包括底座和臂關節的設計； 2 、傳動機構設計：將驅動電機安裝在底座上，利用同步齒型帶、離合器傳遞手臂的動力；利用齒輪傳動帶動底座回轉； 3 、平衡系統設計：採用了彈簧平衡系統、電磁式制動器和單向延時氣缸； 4 、設計參數和校核計算； 5 、用d ? h法建立運動學方程； 6 、利用matlab軟體對手臂的運動空間進行模擬； 7 、利用autocad2000繪圖：包括零件圖和裝配圖。
  7. The whole circuit ' s timing generation and synchronization was realized with cpld. as the channel of data transmitting, pof can isolate high voltage part and low voltage part efficiently. at the same time, a single chip processor was used to design a digital meter for the fiber current transducer

    系統採用cpld實現整個工作電路的時序發生和同步協調，利用光纖實現高壓部分和低壓部分的完全電氣隔離和實現信號傳輸，採用單片機技術實現混合式光纖電流互感器專用數字顯示儀表的設計。
  8. 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，以及調速器動態特性、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器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，對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析，選用改進的pid演算法實現了變參數、變結構的pid調節模式；調速器的機械液壓隨動系統具有步進電機電液轉換元件，採用五相反應式步進電機，根據其驅動特性設計了變頻調壓驅動器，實現plc與步進電機驅動器之間數字介面。
  9. 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電設備公司的nspm - 6800型掃描探針顯微鏡為基礎，重新設計了以dsp為控制核心的控制系統，主要解決原系統存在的以下問題： （ 1 ） pc機既要實時控制數據的採集與發送，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子力顯微鏡、電場力、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控制量的增加和數據處理量的增加； （ 3 ） 16位a 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，數字板通過isa槽插在pc機內，易受于擾，而且給安裝帶來不便。
  10. This system use the floater style sensor, mechanical encoder to get water - level signal, and use the at89c51 single chip system to transform the signal into water - level data, use modem through pstn to transmit data for a long - distance, and designed a information management software system hi the irrigation works bureau information center for communication and data management. the structure of the system was discussed in the thesis

    該系統使用浮子式傳感器、機械式編碼器獲取水位信號，利用at89c51單片機系統採集水位數據（簡稱：下位機系統） ，採用數據機、通過公共電話網（ pstn ）遠程傳輸數據，並在泰興市水務局信息中心通過主控計算機（簡稱：上位機）進行通信及信息系統管理。
  11. In the dissertation, a novel hybrid excitation constant voltage synchronous generator is adopted to improve the system performance, which takes the advantages of both electrical excitation and permanent magnet machines. a parted configuration is presented in order to design the structure of the generator. the adaptive digital adjustment is settled in principle using the single chip microcomputer 80c31 as the control core of the voltage regulator and adopting the proportion - integral - differential control as the control arithmetic, then a sample is made

    論文對同步發電機的工作原理、性能特點、電機本體以及電壓調節器的硬體和軟體設計進行了研究，針對稀土永磁同步發電機變載、變轉速情況下輸出電壓不可調的不足之處，採用一種新穎的電機型式? ?自適應復合勵磁恆壓同步發電機，綜合了永磁發電機和電勵磁發電機的優點，提出一種磁路分開的結構進行電機本體的設計，並選用單片機80c31作為電壓調節器的控制核心，比例?積分?微分控制（ pid ）作為其控制演算法，從原理上較好地解決了其電壓的自動數字調節，並試制了一臺樣機。
  12. The ascend and descend of work bench by screw pole and it can control the rough adjust effectively, and micro - adjust by screw cap of power head, the center hole of bench are coaxial with the spindle, and it put the holder available, and added the aerosol lubricate system in the air current it has the function of filter

    該機應用有國際先進的徑向鉚接技術外，同時採用絲桿升降式工作臺機頭部分固定，臺面具有夾具梯形槽，工作臺中心孔徑與主軸軸線同軸，可用於夾具定位。電控部分加裝數顯時間繼電器，數顯計數器，方便操控。
  13. Mechanical resonant sensors are characterized by high accuracy, rapid response, excellent stability, resistance to electrical interference and digital output

    機械諧振式傳感器精度高、信號以及頻率輸出適于計算機信息處理，而且其信號輸出取決于機械參數，抗電干擾能力強，穩定性好。
  14. Aiming at mulongtan hydropower station, this paper introduces the meaning of and protection about the temperature of hydro - generating units, the system composition, the configuration and work elements of sensors anti instrument, the means of realization with plc for temperature protection, and puts forward several measure of enhancing the temperature control system

    摘要水輪發電機組溫度的監測是機組安全運行的重要保證，是水電站計算機監控系統監測的重要參數，介紹了木龍灘水電站水輪發電機組溫度測量和溫度保護系統的一般組成模式，測溫傳感器、儀表的配置與工作原理，及採用plc實現溫度保護的方法，並提出了提高溫控系統可靠性幾點措施。
  15. The progress of the development and the electromagnetic contactor expert system is discussed. the system is expert system applied in electrical apparatus design field, and it is an internet application built on applied eletromagnetic contactor technology - expert system technology computer technology and software engineer technology. the main design idea is to combine abundant experts " experience with the ability of analysis and discussion of computer to solve reality problem. the system can run according to contactor design parameter by user ' s input and collect corresponding knowledge from knowledge _ base, then design out contactor ' s various structure parameter, and it can analyze dynamic and static character and optimization design, and in the end all property can achieve best

    該系統是專家系統應用於電器設計領域內的一次嘗試，它是集電磁式接觸器技術、專家系統技術、計算機技術和軟體工程技術為一體的應用軟體包。其主要的設計思想是把專家的豐富經驗和計算機的分析推理能力相結合去解決實際問題。本系統可以根據用戶的設計要求輸入接觸器的設計參數，同時從知識庫中提取相應的知識，設計出接觸器的各種結構參數，並對其動靜特性進行分析計算。
  16. Stopping equipment and auxiliary equipment : various kinds of mechanical parking equipment, parking meter, automatic fence, parking equipment control system, vehicle in and out garage management and monitoring system, parking charge system, parking measuring instrument, license plate identifying system, display and guide system of the garage door, loading lot counter, vehicle sensor, ups power supply, various kinds of indicator lights

    停車設備及輔助設備：各種機械式停車設備、停車咪表、自動柵欄、停車設備控制系統車輛出入庫管理及監控系統、停車收費系統、停車測量儀表、車牌識別系統、停車庫車們顯示及導引系統、車位計數盤；車輛感知器； ups電源；各類指示燈。
  17. After introducing the background and the trend of research on ppv thin film light - emitting diodes ( leds ) and the structure of ppv device and its characterizes, the theoretical model of the leds * light - emitting efficiency was presented. based on this model, the formula of light - emitting efficiency was deduced to be : the injecting - currents and the recombining - efficiencies were calculated nwnerically, we found the calculated results agreed very well with the experimental results under the electric field from 0. 5 x 106 to 1. 5 x 106v / cm, the numeral calculations and theoretical analyzes of the light - emitting efficiency were done. the conclusions were as follows : ( 1 ) the basic mechanism of the injection transportation and recombination of the carriers which were presented in this paper were proved to be right ; ( 2 ) the electroluminescence in ppv thin film is the result of exciton recombination, the light - emitting efficiency was affected by many factors

    本文主要研究聚對苯乙炔（ ppv ）薄膜發光二極體發光效率及主要影響因素，簡單地介紹了ppv薄膜發光二極體的研究背景及發展趨勢、 ppv器件的結構和性質后，提出了一個計算器件發光效率理論模型，利用這個理論模型得出了發光效率公式的表達式：並對注入電流、復合效率等進行了數值計算，通過合理地選擇計算參數，發現計算值在場強為0 . 5 10 ~ 6 1 . 5 10 ~ 6v / cm的范圍內與實驗結果較好地符合，在此基礎上，對發光效率進行了數值計算和理論分析，結果表明：計算結果與理論研究結果相符較好，得出結論如下： （ 1 ）本文的理論推導正確地反映了器件中載流子的注入、傳輸和復合等基本機制； （ 2 ） ppv薄膜中的電致發光是激子復合的結果，發光效率受多種因素影響。
  18. 4. to have researched the dielectric constant changing rule of oil - water mixture when the ratio of oil - water changing and the design principle and mechanical design of capacitor sensor with dielectric constant changing

    4 、研究了油、水混合物介電常數隨油、水體積百分比的變化規律，以及變介電常數式電容傳感器設計原理及機械設計。
  19. Then, with considering the technical problem that existed in the applying process of the frequency modulation inductance sensor, the integration of the data acquisition circuitry and interface circuitry of this kind of sensor have been studied and the circuitry system with better performance using pld has been developed. at the end of this thesis, the measuring software and some experiments that tests the whole system are introduced

    然後，針對調頻式電感傳感器在過去使用中遇到的技術難題，對該類傳感器數據採集及微機介面電路進行了集成化研究，採用可編程邏輯器件技術設計出了高性能的儀器數據採集及控制系統的硬體電路系統，最後編制了測量軟體且進行了一系列驗證系統性能的測量實驗。
  20. Directing against state of affairs at present, such as margin of type - selection parameters being selected comparatively large during design stage of air fans for boilers in thermal power plants, the opening degree of air fans in operation being often smaller ( for adjustment of inlet regulator ) or operation at lower revolution speed ( for speed - regulating operation mode ), and efficiency of air fans being lower etc., factors and corresponding measures having to pay attention in margin selection of air fan ' s parameters have been put forward through analysing practical example of retrofitting forced draft fans in one power plant, playing certain positive role for energy - saving and benefit - increasing in power plants

    摘要針對目前火力發電廠鍋爐風機在設計選型時參數裕量選取較大，運行時風門開度較小（對入口調節器調節）或低轉速運行（調速運行方式） ，風機效率較低的狀況，通過對某電廠送風機改造實例的分析，提出了在風機參數選擇中的裕量選取需要注意的因素及相關對策，對電廠的節能增效有一定的積極作用。
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