端點電壓 的英文怎麼說
中文拼音 [duāndiǎndiànyā]
端點電壓
英文
end-point voltage- 端 : Ⅰ名詞1 (東西的頭) end; extremity 2 (事情的開頭) beginning 3 (門類; 方面) item; point 4 (原...
- 點 : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
- 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...
- 壓 : 壓構詞成分。
- 端點 : extreme point; [數學] end point; extremity; terminal; end端點檢測器 end point detector; 端點控制 ...
- 電壓 : voltage; electric tension; electric voltage
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This paper discusses the designing and making of the dynamic testing systems of engine electronic control system. base on the construction and operation principle of santana 2000gsi m3. 8. 2 engine electronic control systems, design and manufacture led circuit of dynamic testing and fault imitating electronic control unit. on the inspect board, design and equip with motronic 3. 8. 2 ecu i / o measuring joints, design and set up obd - ii diagnostic communication link, design and install fuel pressure inspecting meter. depend on the obd - ii diagnostic communication link and ecu i / o measuring joints, this dynamic testing system can inspect engine electronic fuel injection system, distributorless ignition system, idle speed control system and evaporative emission control system, and can inspect m3. 8. 2 sensors, ecu and actuators, and can interrogate fault memory and erase fault memory ; and can analyse data stream ; and can carry out fault imitating. besides, this paper analyses sensors and actuators typical fault w aves
2電控單元電路連接器設計製成輸入輸出電子控制檢測端子,並在檢測面板上布置了obd -診斷插座和燃油壓力表。使該動態測試系統能實現對電噴發動機的燃油系統、直接點火系統、怠速控制系統和燃油蒸氣排放控制系統的動態檢測;並通過obd -診斷座、 ecu輸入輸出檢測端子和故障模擬處理單元實現對電噴發動機電控系統各傳感器、電控單元、執行器進行故障碼讀取與清除;動態數據讀取和波形測試和故障模擬等。此外,本論文還分析了傳感器和執行器典型故障波形。Based on the demand of power department, a full distributed multifuncitional monitoring device is studied. this instrument not only can measure the data of hydroelectric plant, but also integrate the funcition of control the dynamotor, by cooperate with the program of epigynous system, it can realization the auto generate electricity on the hydroelectric plant and ordinal startup - stop of the dynamotor. 2 furthermore, performance of integrated dft arithmetic enhances the acturacy and reliability of measure. by communication several devices can run online to be controlled dispersedly and managed centrally
本文分析了國內外水電站自動控制裝置的研究和發展狀況,尤其是國內小型水電站的自動化現狀,針對現有電力部門的需求,設計並實現了一種單元式的微機自動監控裝置,該裝置不僅實現了對水電站內各種模擬參數和數字信號的實時監測功能,還對水輪發電機組進行了調控,通過與上位機處理程序的配合,可以實現水電站的自動發電控制、機組順序啟停;在測量發電機組機端電壓和電流參數的時候,採用32點離散傅立葉演算法( dft ) ,增加了測量的準確性和可靠性;通過通訊可以實現裝置的聯網運行,做到「分散控制、集中管理」 。In this dissertation, we firstly prove that any dirichlet problem is indeed equal to a voltages problem of networks. we give five solutions to dirichlet problem in two dimensions ; among these five solutions, we prove that the iteration solution and the solution of relaxations are exponential convergence, then we estimate their respective convergence rates ; secondly, we discuss random walks on general networks, prove that there is an one to one correspondence between networks and reversible ergodic markov chains ; thirdly, we give probabilistic interpretation of voltages for general networks : when a unit voltage is applied between a and b, making va = 1 and vb = 0, the voltage vx at any point x represents the probability that a walker starting from x will return to a before reaching b ; furthermore, we study the relationship between effective resistance and escape probability : starting at a, the probability that the walk reaches b before returning to a is the ratio of the effective conductance and the total conductance
本文證明了任何邊值的dirichlet問題都可轉化為求解電路電壓的問題:給出了計算平面格點上dirichlet問題的5種方法:證明了迭代法和松馳法都是指數收斂的,並分別給出收斂速度的估計;討論了一般電路上的隨機徘徊,驗證了電路與可逆的遍歷markov鏈是一一對應的;給出了電路電壓的概率解釋:當把1伏電壓加於a , b兩端,使得v _ a = 1 , v _ b = 0時,則x點的電壓v _ x表示對應的markov鏈中,從x出發,到達b之前到達a的概率;進一步地,給出了逃離概率與有效電阻之間的關系:從a出發,在到達b之前到達a的概率為有效傳導率與通過a的總傳導率之比。The end result is that the semiconductor and metal form two strips side by side, with all the electrical contacts ? two for sensing a voltage, two for passing a current in and out ? along the free edge of the semiconductor
結果半導體與金屬變成相鄰的長條狀,所有電性接點都接到半導體的露出端:包括兩個用來測量電壓的接點,以及兩個分別讓電流流進與流出的接點。To resolve the situation that the sensitivity of present ground fault protection schemes is low for the large - sized hydro - generators, a kind of protection scheme based on the fault component of third - harmonic voltage and two kinds of protection scheme based on the fault component of zero - sequence voltage at the terminals and neutral are developed, and they can obtain higher sensitivity and reliability and provide 100 % protection for the stator windings. the influence of noise on the stator ground fault protection based on the local modulus maximum of wavelet transform is analyzed
針對目前大型水輪發電機定子繞組單相接地保護靈敏度偏低的問題,通過分析單相接地故障后機端和中性點零序電壓的變化特點,提出了一種基於機端和中性點三次諧波電壓故障分量和兩種基於機端和中性點零序電壓故障分量的高靈敏度、高可靠性保護方案,並實現定子繞組的100 %保護。An automatic fault location method is proposed based on ftu after the circuit analysis of single line - to - ground fault in distribution networks
通過對配電網發生單相接地故障后饋線的電壓、電流變化規律的分析,論文提出了基於饋線現場監控終端ftu的故障點智能定位方法。( 5 ) taking full of advantage of the ado. net and asp. net technology under the. net platform. it construct a powerful remote control and monitor system and meet the reqirment of the users. in order to achieve real - time control, it design a front environments built on the asp. net structure, from which the system can fulfill the real - time function. due to the characteristic of drain off water pump station remote control and monitor system ( big pump station need high voltage ( 6000v ) and great power ), so now do n ' t adopt the ways that client _ end controls it. in addition, the server - end design a database to manage from which the system could tackle users information and online users log in the form of winform and strengthen the safety of the system
Net平臺下的ado . net與asp . net技術,發揮兩者的武漢理工大學碩士學位論文優勢,構造了功能更強的遠程監控系統,更好的滿足用戶的需要。系統設計中以asp . net架構為前臺環境,實現了客戶端通過ie瀏覽器來實時的監控到排水泵站的運行情況,使系統達到了實時監視,但由於大泵機工作電壓高( 6000v )功率大( 100okw )的特點,暫不採用客戶端控制系統。在服務端,設計了數據庫,並且以winform的形式來管理網路管理員和用戶的信息以及在線用戶的日誌,加強了系統的安全性。In all interleaving two - transistor forward switches, zero voltage switching can be obtained which can apparently improve the power density. however the isolated boost converters need to resolve two problems
但是隔離boost變換器需要重點解決兩個問題: 1 )減小功率開關關斷時兩端浪涌電壓; 2 )隔離boost變換器的起動。Then one of the methods of rotor position detection - bemf zero crossing point detection is explained in detail. in succession, the chapter dissertates the method of measuring phase voltage and supply voltage, and analyses the error of rotor position using this method
對轉子位置檢測方法中的反電勢過零點法作了比較詳細的介紹,討論了反電勢法中相電壓和端電壓的檢測方法,並分析了利用該方法時而產生的轉子位置檢測誤差。Second, as currently study of hot point, back ? emf, it will discuss the principle of the sub - position examination in detail. based on the principle, it put forward a kind of improving back - emf method of crossing - zero checking turns position. but this did n ' t resolve to the root problem that the speed scope is very narrow and it need an in expiation of speed error and so on. thus it put forward a new improvement method at next chapter
其次,就目前所研究的熱點? ?反電勢法,詳細討論了其轉子位置檢測的原理,在此基礎上提出了一種改進的反電勢過零點檢測方法,其可直接從電機端部得出反電勢對地的電壓值,而不是通過電機中心點電壓來得到反電勢。In the paper, the transmission power of section constituted by the assigned branch is seen as objective function, assigning the adjustable generators both in sending system and receiving system, assigning the faults set, including the constraint conditions such as the differences between the angles of rotor and the inertia center angel of the whole system, the thermal stability of branch and node voltage, obtaining the results by using interior - point solution and line - predominant jordan
本文提出的考慮暫態穩定約束的可用輸電能力演算法是以指定線路組成的斷面的傳輸功率為目標函數,指定送端系統和受端系統中參考調節的發電機,指定故障集情況下,以發電機轉子相對全系統慣性中心的角度差、線路熱穩定、節點電壓等構成約束條件,採用內點法和行主元約當逐行消去法求解問題的最優解。The chip jk3ce that is one of micro - controllers in motorola 68hc08 family is used as control unit in this system. the zero crossing point of the back emf can be obtained by comparing the terminal voltage with the virtual neutral point, then using the software of the system can figure out the commutation period. the electronic commutation replaces the mechanical commutation in this way
本系統採用的控制晶元為motorola系列單片機中的jk3ce ,反電勢過零點可以通過比較電機端電壓和虛擬中點電壓來得到,將過零點信號送往單片機捕捉埠後由系統軟體來確定換相時刻,這樣就可以由電子換向裝置替代機械換相裝置,有利於提高系統運行的可靠性,並降低了系統維護的費用。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、電機本身的結構特點和工作原理等;第二章、針對五位置傳感器bldcm的起動問題,文中詳細給出了檢測脈沖轉子定位起動技術;第三章、從電機的數學模型入手,詳細論述了反電動勢端電壓法和系統的控制策略;第四章、介紹了硬體實現中的兩個重要器件: dsp ( tms320f240 )和功率管逆變器控制晶元( ir2131s ) ;第五章、詳細給出了控制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,將前面章節的控制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。According to zero sequence voltage distribution from system zero sequence impedance to shunt reactor zero sequence in zero sequence circuit, the zero sequence voltage at the terminal of shunt reactor and the zero sequence compensating voltage at neutral are compared in the scheme
即根據零序網路中零序電壓在系統零序阻抗和電抗器零序阻抗上的分佈情況,通過直接比較電抗器首端零序電壓與補償到電抗器末端中性點的零序補償電壓的幅值大小,來判別電抗器匝間故障。In the design of the rf front - end, the effect of the low voltage power supply must be considered since the low voltage power supply limits the voltage swing of the circuit nodes and may affect the dc operation point, power gain and linearity of the rf front - end
本論文實現的收發機射頻前端採用了1 . 8v的電源電壓,射頻前端各模塊的設計都考慮到了低電源電壓對直流工作點、增益和線性度的影響。The sense amplifier is used to amplify and output the voltage difference on the internal ; signal at the internal terminal
感測放大器則用來放大在內部端點上的內部信號電壓差並且輸出。Introduction, network laws and components, introduction to circuit analysis, network node voltages and mesh currents, network properties ? thevenin ' s and norton ' s equivalent sources, operational amplifiers, equivalent circuits for three - terminal networks and two ? port network
簡介、網路的組件和網路定律、網路分析與節點電壓和綱目電流,網路的性質-載維寧和諾頓的等效電源、運算放大器、三接端網路的等效電路與雙埠網路。During evaluation, the differential circuit generates a voltage difference on the internal signal of the internal terminal according to the input signal and the predetermined logic operation
差動電路部份在取值時,則根據輸入信號和既定邏輯運算,在內部端點的內部信號上產生一電壓差。When the contacts are connected into direct circuit, we can judge whether the contacts are open or not through analyzing the voltage instantaneous values across the two contacts
當有觸點電器的觸頭接入直流電路中時,可通過觸頭兩端電壓瞬時值來判斷它是打開還是閉合。This paper analyses, compares and researches the measurement of solar array deeply. the system takes advantage of a new measurement of solar array that samples the signal of voltage and current continually during charging capacitor by solar array to redraw the i - v characteristic of solar array. this method can test the i - v characteristic of solar array conveniently and quickly in contrast with the traditional method
針對太陽電池陣列的測試方法,本文進行了詳細的分析比較和探討,系統採用一種新型的電容動態充電方式對太陽電池陣列進行特性測試,該方法是通過檢測太陽電池陣列對電容的充電過程中電流、電壓的變化數據,重現光伏陣列的i - v特性,採用這種方式可以快速而方便的測量太陽電池陣列的i - v特性,具有體積小、重量輕等特點,克服了傳統現場測試方法的弊端。分享友人