電量式分析器 的英文怎麼說

中文拼音 [diànliángshìfēn]
電量式分析器 英文
coulometric analyzer
  • : 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...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 電量 : [電學] (物體所帶電荷的多少) quantity of electricity quantity of electric charge電量表 voltamete...
  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

    在全面了稀土永磁無刷直流動機的結構特點、工作原理、運行方以及外部特性的基礎上,通過系統建模和數字模擬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控制技術進行了詳細理論研究,提出了利用轉子位置傳感信號間接測機轉速進行機轉速閉環穩速控制的策略。
  2. There are over 80 sets test apparatus in tech - innovation centre, including : anechoic chamber, vibration tester, vibration measurement analysis, impact instrument, constant temperature and humidity facilities. salt spary test case, circle insulation withstand voltage tester, insulation resistance tester, withstand voltage tester, electric lead tester, electrical leakage tester, earth resistance tester, chassis dynamometer, chassis dynamometer control system, high stability dc resistance tester, electrical capacity tester, temperature rise test system

    中心擁有各類測試儀和試驗裝置80餘臺套,包括:消音室振動臺噪聲振動測試系統沖擊儀恆溫恆濕實驗儀鹽霧試驗箱匝間耐壓儀絕緣儀對地耐壓儀泄露流測試儀對地阻測試儀測功機測功機控制系統高精度直流阻測試儀參數測試儀帶溫升測試儀復合三坐標測儀萬投影儀及功測試系統等。
  3. A new measurement system for electrical conductivity in an yj - 3000t press fitted with a wedge - type cubic anvil was set up on the basis of the old one. a solartron 1260 impedance / gain phase analyzer was used in the new system ; mo electrodes and a mo shield were also used to keep oxygen fugacity close to the mo - moo2, which is similar to that of iron - wustite ( iw )

    在yj ?緊裝六面頂壓機上,對原有的礦物、巖石性測系統進行了進一步的改進:建立了一套以solartron1260阻抗增益?相位儀為測試儀,使用mo極和mo盾來控制樣品氧逸度的測系統,該系統的氧逸度環境為mo ? moo _ 2 ,接近iw緩沖對。
  4. First, how to conduct sample and quantification of continuous time signal which is prior condition of sdr is explored in detail, and the comparison and analysis of some sample modes are given in which band pass signal sampling theorem is most important. second, multi - sample rate signal processing which is an important basis of sdr is studied. emphasis are put on decimation and interpolation those are the most fundamental process and the realization of decimation and interpolation filter

    在基於中頻采樣的軟體無線結構框架下,首先詳細探討了軟體無線的前提條件,即如何對連續時間信號進行采樣化,比較了幾種采樣的方,其中最為重要的是帶通信號采樣定理;然後探討了軟體無線的一個重要基礎,即多采樣率信號處理,重點討論其最基本的兩個過程抽取和內插以及抽取和內插的實現;接著介紹了結構簡單、適用於一級抽取的cic濾波和適用於做2倍抽取的半帶濾波;再次論文在總結了傳統的調制解調基礎上,結合軟體無線件的特點,系統的探討並實現了基於正交思想的am 、 fm 、 ask 、 fsk 、 bpsk 、 qpsk的正交調制解調演算法。
  5. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的流差動保護無論對於何種形的輸線路都是一種簡單、可靠、選擇性強的保護形力系統的發展使得流差動保護應用於線路保護成為需要,而子、通信技術的發展使得流差動保護應用於輸線路成為可能。首先,本文對目前線路保護的研究和實際應用情況進行了討論和,比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次,針對常規相流差動保護易受正常負荷流和故障過渡阻影響的缺點,同時為加快差動保護的動作速度,對基於故障瞬時采樣值流差動保護的原理、判據、動作特性等作了討論和,結果表明基於故障瞬時采樣值流差動保護在可靠性、靈敏度、抗流互感飽和方面明顯優于常規相流差動保護,對流差動保護各端的同步采樣方法和數據通信也進行了和評價。
  6. 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

    本文對現有氣隙感傳感在原理和機械結構上作了深入的,對其參數進行了靜態標定;並且針對常規感傳感動態響應低,不宜用於快速動態測的缺點,引入測試系統動力學的思想,設計了一套動態校準系統,對現有傳感進行多次動態校準,根據動態校準的實驗結果對現有傳感建立數學模型,得到現有傳感的動態特性;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。
  7. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指容結構,採用體硅微機械工藝製作的高深寬比叉指敏感元件,具有高靈敏度、寬程、非線性誤差小、外圍路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面路進行了原理設計與,利用差動測技術得到由振動引起的微小容變化,經c - v介面路進行相位調制處理,然後通過解調輸出與加速度成正比的壓信號。
  8. Embedded web server, printingscout, job pipelining, remote printing, smart trays, email alerts, usage analysis tool, job accounting, phasersmart remote diagnostics, centreware web

    嵌入網路服務printingscout流水作業遠程列印智能紙盤子郵件提醒用工具作業統計phasersmart遠程診斷及centrewareweb
  9. Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc

    本文根據大的國內外文獻,對研配液壓機的工作原理及設計結構進行了簡介;對位置同步的控制方法進行了比較,提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制液比例同步控制方案;在此基礎上著重對比例閥控非對稱缸建模,最後得到位置控制系統的總體數學模型,從理論上對同步系統動態特性進行了,並用pid控制進行參數整定,減小雙缸同步誤差、提高系統的動態響應性能;其中控制性能的藉助于matlab軟體中的simulink工具箱,由已建立的數學模型形成模擬模型,得到可視化的模擬結果,從而利於交互方下調整參數,了解不同的參數對系統的影響,優化同步系統的動態性能;在深入了解系統的動作特性后,對plc控制研配液壓機的原理進行了探討,針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃,編制出研配液壓機動作控製程序,在編程中著重研究位移傳感與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。
  10. For the existing transformer cooling control system has many shortcomings such as the complicated system control circuit, the low reliability, the protection methods of blower fan being so simple, large control error, high fault rate, massive maintenance work and no method to realize telecommunication, this thesis develops a novel intelligent power transformer air - cooled control system based on the center of microprocessor through all - round technology analysis and research

    本文針對變壓冷卻系統使用常規控制系統存在的系統控制迴路復雜、可靠性低、風機的保護方簡單而無法進行故障預測、主變壓油溫測精度低造成控制誤差大、故障率高、維護工作大、無法實現遠程通訊等問題,經過多方面的技術和調研,設計開發了新型的以微處理為核心的智能力變壓風冷卻控制系統。
  11. This paper gives a comprehensive presentation about the fundamental of the flow - measuring method by flume, the design of khafagi flume and the buoy - level mechanism, the signal conversion by the angle measuring sensor and the deduce of the flow equation. it also introduces the hardware design, the development and emulation on software of the intelligent measuring meter in detail. the error of flow measurement is analyzed and calculated in the end either

    本文對槽的基本原理、卡發基槽和浮桿測機構的設計、角度傳感的信號轉換以及流計算公的推導做了全面的闡述;詳細介紹了智能儀表應用系統的硬體路設計和應用軟體的開發及模擬調試;最後對測系統的各項誤差進行了和計算。
  12. 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動機變頻調速技術的發展概況,在回顧梯液壓控制系統節能技術的基礎上,介紹了本課題研製的「採用蓄能的液壓梯變頻節能控制系統研究」的基本原理,了動力系統在梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方;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、蓄能迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能-泵馬達壓力能轉換裝置的設計、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控制變頻控制櫃的外部附件氣接線、計算機控制及數據採集系統的硬體設計等內容。
  13. Then i finish the analysis from three aspects, instruction of circuit, stress of surrounding, and tolerance, thus providing basis of design. the following designs are in progress from four aspects, which are circuit design, thermal design, derating using and screening. at last, i make the update generator in batch process, and collect and analyze reliability dates again

    首先進行了與可靠性相關的數據收集與,對故障模進行統計;然後從路結構、環境應力及容差三個方面進行可靠性,從而為關鍵的可靠性設計提供了依據;接下來的可靠性設計,從路設計、熱設計、降額使用、篩選四個方面逐一解決了可靠性階段發現的問題;最後,我將改良的發生生產,並從中重新收集了可靠性數據進行計算,事實證明改良后高頻無極燈的平均壽命已達到6萬小時。
  14. After the analysis of the state of converter switches, the voltage space vector is received. on the basis of hexagon stator flux trace method of traditional direct torque control, by changing the regulation of stator flux, hexagon and approximate round trace of stator flux can be got when using different voltage space vector. the fast regulation is realized when three - value regulator is used to adjust torque

    通過對逆變開關狀態的進而得到壓空間矢,並且論述了壓空間矢與轉矩和磁鏈之間的關系,使用兩點調節方法對定子磁鏈進行調節,實現六邊形磁鏈軌跡和圓形軌跡方案,對轉矩採用三值調節進行調節,以實現轉矩的快速調節。
  15. 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、路,實現了水輪發機組頻率的測;在軟體上,對微機調速的整個程序框架、並聯pid的離散化過程進行了,選用改進的pid演算法實現了變參數、變結構的pid調節模;調速的機械液壓隨動系統具有步進液轉換元件,採用五相反應步進機,根據其驅動特性設計了變頻調壓驅動,實現plc與步進機驅動之間數字介面。
  16. The components, working principle, advantages and defects of pwm power amplifier are introduced briefly in the dissertation. the working characteristics of h - bridge pwm power amplifier in double - polarity mode is analyzed qualitatively and qualitatively and the conclusion that fluctuant magnitude and continuousness of armature current are the essential parameters which can be used to evaluate pwm control modes

    論文簡要介紹pwm功率放大的組成、工作原理、特點及存在問題;對常見h型雙極性模pwm功率放大的工作特性作了定性和定,指出了流脈動流連續與否是衡pwm控制方案優劣的兩個本質參數。
  17. The first, in this article analyzed the development of the hydraulic spring operating mechanism and based on the theory of energy and liquid, founded the athletics equation in the case of no load. so it was certainly to know the fluence of the data which come from the mechanism

    本文首先總結了當今力市場上極為走俏的彈簧液壓機構發展歷史和工作原理,然後根據能守恆定律和貝努利方程,建立了選用彈簧液壓機構的壓氣開關在空載情況下的機械運動方程了彈簧液壓機構各有關參數對斷路、合閘過程的影響。
  18. Abstract : fault tree analysis is introduced about diagnosing fault in the electromechanical equipment. the qualitative and quantitative analysis is made to the structure and action of the fault tree analysis. this paper presents logical relationship between the element fault and system fault. general formulas are deduced from system reliability and the probability of the system fault

    文摘:介紹了機設備的故障樹法,對故障樹的構成及其作用作了定性及定,指出了元件的故障與系統故障的邏輯關系,並給出了系統故障概率計算公及實例。
  19. According to the requirements to pd pattern auto - recognition, this paper studies systematically the basic theories and realizable methods for auto - recognition of pd gray intensity image : ( 1 ) in the requirement of on - line pd monitoring for transformer, several discharge models are designed and the relevant experiment methods projected. with discharge model tests, a lot of discharge sample data is acquired. on the base of systematical research on recognition for pd gray intensity image, this paper puts forward two kinds of fractal features, the 2nd generalized dimensions of original pd images and fractal dimensions of high gray intensity pd images, and then the relevant extraction methods

    針對局部放自動識別的需要,作者系統地研究了局部放灰度圖像自動識別中的基本理論和實現方法: ( 1 )根據變壓局部放在線監測的要求,設計了放模型和實驗方法,並通過模型實驗獲得了大樣本數據,為構造局部放灰度圖像和採用bpnn進行識別作好準備; ( 2 )研究了局部放灰度圖像的構造方法以及降維構造32 32灰度和矩陣的方法;在用人工神經網路對局部放進行模識別時,了bp網路的優缺點,對典型bp網路的結構和學習訓練演算法提出了改進,採用帶有偏差單元的遞歸神經網路作為模;採用32 32灰度和矩陣進行bpnn識別結果表明這種方法是有效的。
  20. Abstract : theoretical distortion of the differential capacitor transducer with arch electrodes is analyzed in quantity while measuring the error motion of spindle

    文摘:定了圓弧極板型差動傳感在測主軸回轉誤差運動時的原理誤差。
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