控制電勢法 的英文怎麼說

中文拼音 [kòngzhìdiànshì]
控制電勢法 英文
controlled potential method
  • : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • : 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...
  • : 名詞1 (勢力) power; force; influence 2 (一切事物力量表現出來的趨向) momentum; tendency 3 (自...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  1. Test method for plutonium by controlled - potential coulometry

    庫侖測定鈈的試驗方
  2. Oled has been attracting much attention in recent years for its superior performance in the aspects of thin and light - weight, active emitting, wide visual angle, high brightness, fast video response time, low power dissipation, high efficiency, potential low cost, flexibleness, greenness, etc. the intrinsic characteristics of oled give visual and form factor advantages over lcd, and oled has been regards as one of the most ideal and potential next - generation display technologies with its excellent characteristic on information display and device fabrication

    它被業界公認為是最具發展前景的下一代顯示技術。本文對有機致發光顯示器件的發展歷史、發展現狀和趨等都做了簡要的概括,研究了oled的器件結構、工作特徵、獲得彩色顯示的方以及所具有的優缺點,並在此基礎上提出了一種amoled外圍驅動系統的設計方案。本驅動系統可分為屏上驅動路和外圍路。
  3. For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions

    針對反類似正弦的準正弦波反無刷直流動機,本文提出一種基於六個離散位置信號的自同步svpwm (壓空間矢量,用以削弱磁轉矩脈動,分析了實現這種方的主要環節,包括起動時壓空間矢量的初始定位,阻抗角與流超前角的合理選擇以及連續轉子位置的估計等。
  4. Furthermore, this dissertation also gives a comprehensive analysis and comparison to the torque ripple factor, torque - current ratio and other aspects for pseudo - sinusoidal emf bldcm drived by 120 conduction mode, 180 conduction mode and self - synchronous svpwm mode respectively. the simulation and the experimental results indicate that self - synchronous svpwm method is more effective for minimizing the torque ripple without any expense of the torque - current ratio when the crest width of the back - emf waveform is less than 107 electrical angles

    對準正弦波反無刷直流動機在120導通方式、 180導通方式和自同步svpwm三種方式下的轉矩脈動系數、轉矩流比等方面進行了全面的分析與比較,模擬研究和實驗結果表明,當反的平頂寬度小於107角時,採用自同步svpwm可以在不損失轉矩流比的基礎上,更有效地抑磁轉矩脈動。
  5. Abstract : on the basis of that the proportion of time spent sparking is analyzed in electrical discharge machining ( edm ) process, a new method. which is used to ascertain the trend of discharge gap change, is presented. and a fuzzy control strtegy is introduced to parctical use, the results is well

    文摘:通過對火花成形機放狀態的分析,提出了利用分析周期內出現異常放狀態時間的比例及開路狀態所佔時間的比例,來判別火花成形加工的間隙放狀態及其變化趨的方,並在此基礎上利用模糊策略實現了對火花成形加工過程中放狀態的,取得了令人滿意的效果。
  6. Design method of the electromechanical actuator controller based on the robust mixed h2 / h * control theory is studied, taking advantage of the priority of the linear matrix inequation in solving the problems of the multiobject control, the robust mixed h2 / h * control problem of the electromechanical actuator under the condition of parameter perturbation and external disturbance can be transformed to the solving of the linear matrix inequation

    研究了基於魯棒h _ 2 h _混合理論的動舵機的器設計方,利用線性矩陣不等式在多目標綜合問題求解方面的優,將存在參數攝動及外部擾動時的動舵機的魯棒h _ 2 h _混合問題轉化為線性矩陣不等式問西北工業大學博士學位論文題並進行求解。
  7. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是逆系統方的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發機勵磁與汽門綜合起來進行的模型方程,此模型方程涵蓋了力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發機q軸eq 、暫態e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端壓vt ,在此基礎上建立了實用的力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型最優理論設計出大型汽輪發機的非線性綜合器及機端壓最優器,通過模擬實驗與採用常規的按壓偏差進行調節的比例式勵磁器+汽門比例及採用常規的按壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快汽門(考慮發機的飽和因素)進行了對比,證實了採用此種器可以有效地提高力系統的暫態穩定性,並且在力系統遭受小干擾時同樣具有良好的調節性能。
  8. On the base of model, considering the disturbance from the other 5 legs and variating load, we design an h - inf controller integrated with ip controller, which makes the system with the advantage of both h - inf control and ip control, and restrains the bad effect from variating disturbance. the simulation shows that this stradgy enhances the system robustness. in another solution, the coupling and load disturbances are regarded as the parameter variations of motor model, and the variation is observed, thus, the coupled dynamics of vamt is decoupled to 6 single motor systems

    在建立了模型的基礎上,本文針對單滑塊系統要受到其它滑塊及負載擾動的影響,採用h _設計的h _器與傳統ip位置器結合,使得系統具有ip位置器和h _的雙重優,有效地抑了變化擾動對位置輸出的影響,模擬結果表明該方大大提高了系統的魯棒性;本文提出的另一種方案是將桿間的耦合作用和負載擾動看作機參數變化,利用觀測器進行觀測,從而將耦合的機床動力學系統解耦成為6個獨立的機動力學系統。
  9. Based on intelligent power module ( ipm ) and digital signal processor ( dsp ), this system used hack - emf ( electromotive force ) method to implement the sensorless control for brushless dc motor of air conditioner ( ac ) in fcv

    該系統基於智能功率模塊( ipm )和數字信號處理器( dsp ) ,採用反實現了動汽車空調用無刷直流動機的無傳感器
  10. Automatization and intelligent are the general developmental inclination in instruments and meters, the intelligent corrosion monitor based on microcomputer technique has been a new direction in corrosion monitoring. the process and tendency at home and abroad in intelligent corrosion monitor are reviewed in this paper, at the same time, an coulostatic corrosion monitor under potentiostatic control has also been introduce, which widen the application of coulostatic technology

    智能化和自動化已成為當今儀器儀表發展的潮流,以計算機技術為內核的智能化腐蝕監測儀成為腐蝕監測重要發展方向。本文綜述了腐蝕監測儀的發展過程,並對其發展趨進行了分析,研製了恆下的恆量智能化腐蝕監測儀,擴大了恆在腐蝕監測中的應用范圍。
  11. This article takes the respect of market environment and development trend that home - electricity manufactories face, and then makes a conclusion that logistics is very important for the future success of home - electricity manufactories, and analyze the present logistics condition and the existing problems in home - electricity manufactories, at last induce and sum up a few logistics development pattern of home - electricity manufactories at present. on the base of this, the thesis have first created a new method that how to choose and analyze the critical success factors about logistics pattern. when a manufactory chooses its logistics pattern, it should emphasize to consider the following critical factors : logistics positioning

    本文以家企業面臨的市場環境以及發展趨為著眼點,引出了物流對家企業未來成功的重要性,並分析了我國家企業的物流現狀及存在的問題、歸納總結了目前我國家企業的幾種物流發展模式;在此基礎上,論文自己首次提出了企業選擇物流模式時需要關注的關鍵影響因素及其分析方;一個企業在選擇物流業務模式的時候,應該會著重考慮以下關鍵因素:對物流的定位、企業的基礎管理能力、對渠道的力、供應鏈中的位置、產品的物流特性、對物流成本的能力、規模資源大小、社會物流服務能力、對企業成功的影響、物流服務的技術性等。
  12. The speed sensorless techniques for dtc system are very fascinating and challenging subjects recently, they are received wide attention in the literature. some brief description is provided. the proposed approaches are based on speed model of dtc, motor reference adaptive control, the instantaneous reactive power of motor and the extended kalman filter

    無速度傳感器調速系統是直接轉矩研究領域內一個非常熱門的研究方向,本文介紹了無速度傳感技術的發展歷史及目前的研究狀況,分別利用直接轉矩的轉速模型方,模型參考自適應方機定子反以及擴展的卡爾曼濾波器等方設計了無速度傳感器系統,對于其數學模型和系統構成作了比較詳細的推導。
  13. High resolution digital smps becomes the hotspot in the power supply field. more and more attention has beed payed to how to realize high resolution digital smps, and it has already taken a long step develop. improving the resolution of digital smps by new techniques becomes a forever topic. under the learning of the status and develping trend of smps, considering the practical requirement of task, a control system of smps implemented by microcontroller with high resolution, high speed, high integration is carried out. by combining the embedded system and power electronics, it is discussed that a high resolution smps ’ s output voltage with 0. 01 % resolution pwm wave output, in the basis of microcontroller, and the pwm wave double modulation arithmetic

    不斷用新技術手段實現數字開關源的高精度是一個永恆的話題。經過了解國內外開關源的發展現狀和發展趨,結合實際課題的要求,提出了使用高精度、高速度、高集成度的微器組成開關源的系統。討論了將嵌入式系統與子結合,在微器硬體基礎上通過軟體pwm波雙調演算輸出高精度pwm波,實現開關源輸出壓的萬分之一精度的方
  14. Research on dynamic characteristics and control strategy on the thermoelectric refrigeration is very significant for the optimization design of refrigeration system and device and realize the advantage of thermoelectric refrigerators

    製冷系統的動態特性和研究對製冷系統的優化設計,更好地發揮熱製冷器的優具有重要意義。
  15. To guarantee the validity and speediness insimulation, the back - emf is generated using piecewise linear curves. in the double loop of control system, a pi controller is adopted in the speed loop and a hysteresis current controller is adopted in the current loop

    為保證模擬快速性和有效性,模型採用分段線性生成梯形波反,系統採用雙閉環:速度環採用pi流環採用滯環
  16. Adopting rotor field - oriented vector control methods, through which make the stator and the rotor magnetmotive forces can be kept orthogonal all along during operation of the bldcm, combining hysteresis current modulation ' s current control advantage and space voltage vector modulation ' s torque ripple attenuation advantage, then designing a sort of bldcm hysteresis current svpwm control method

    摘要研究採用轉子磁場定向的矢量使無刷直流動機定、轉子磁矢量始終保持正交,結合滯環調和空間壓矢量調,設計了無刷直流動機滯環流svpwm方案。
  17. The thesis first probably explains brushless direct current motor ( bldcm ), and discusses the related control methods, explains the background and meaning of back electromotive force ( back - emf ) which is used in the thesis. then the thesis expounds the basic component parts, the basic running principle, the running characteristic and transfer function of the bldcm. and then the thesis detailedly dissertates its research pivot : the simulation of bldcm system in matlab based on the method of back - emf and the control system of digital signal processor ( dsp ) based on the method of back - emf

    本文首先對無刷直流機進行了概述,並對其相關進行了討論,說明本文所採用反的背景和意義;接著論述了無刷直流機基本組成環節、基本工作原理、運行特性和傳遞函數,然後是詳述本文研究的重點:基於反的matlab調速系統的模擬以及基於反的dsp系統的實現。
  18. This topic discusses the back - emf zero - crossing detection, the method of phase judging and compensation in detail. in order to improve the speeding performance we adopt the digital closed - loop speed control strategy

    詳細介紹了反過零檢測、相位判斷及相位補償的原理及實現方,並且為了在較寬范圍內提高bldcm的調速性能,採用了數字式轉速閉環
  19. On the base of roundly analyzing and studying the running mode of the sensorless bldcm, we explain theories and realizable methods of detecting back electromotive force, phase verdict and phase compensation in detail. in order to improve the timing performance, the control strategy of this system is to use digital speed closed - loop control

    在全面分析研究了無位置傳感器無刷直流動機運行方式的基礎上,細致闡述了反過零檢測、相位判斷及相位補償的原理及實現方,並且為了在較寬的范圍內提高bldcm的調速性能,採用了數字式轉速閉環
  20. A new temperature - controlled algorithm has been developed, where fuzzy control was a core. some characteristics of the temperature - controlled device and the electric system were considered in the virtual instrument algorithm. measurement precision of pt100 was improved to integrate with pt100 ' s characteristic

    在整體方案的指導下,在認真分析溫箱和氣系統特點的基礎上,提出了一種適合自身特點的、以自適應模糊為核心的演算;對鉑阻傳感器的非線性進行了修正,提高了測溫的精度;充分發揮pc機的優,建立了數據管理系統。
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