調磁器 的英文怎麼說
中文拼音 [diàocíqì]
調磁器
英文
magnetic shunt-
The principle of the hardware and software has been introd uced, with the circu it d i agram, the flow chart an d list of the program
介紹本次課題所用的196單片機的原理,設計出數字勵磁調節器的電路,分析裝置的硬體電路工作原理,給出詳細的硬體原理圖,設計運行程序流程圖。Multiferroelectric magnetoelectri materials have a spontaneous polarization that can be reoriented by an applied electric field, a spontaneous magnetization that can be reoriented by an applied magnetic field. these materials have been exploited as transducer, waveguides, switches, phase inverters, modulators, etc. which also find a lot of technological applications in radioelectronics, optoelectronics, microwave electronics in instrumentation
這類材料同時具有鐵電和鐵磁材料的性能可以應用到傳感器,波導器件,轉換器,相位倒相器,變頻器,調節器等,在無線電電子學,光電子學,微波電子學等領域的發展具有重要意義。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法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電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電機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電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控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器,通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電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控汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種控制器可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。This paper also use non - linear feedback decoupling theory to decouple die vector - control close - loop system into linear decoupling of rotor speed and rotor flux linkage subsystems. the speed regulator and flux linkage regulator of these two linear subsystems can be designed with classical linear theory
本文同時還應用非線性反饋解耦理論將矢量控制的閉環系統分解為線性化的轉速子系統和轉子磁鏈子系統,兩個子系統中的速度調節器和磁鏈調節器可按線性理論設計。In the paper, a speed estimator based on artificial neural network is designed according to the principle of direct torque control, the speed estimator is optimized by genetic algorithm, and the parameters of pid speed adjuster is also optimized by genetic algorithm. a stator linkage and torque observer based on stator resistance estimator using fuzzy neural network is also designed. eventually, the intelligent control of direct torque control system is implemented
本文根據異步電動機直接轉矩控制原理,在應用人工神經網路進行速度辨識的基礎上,利用遺傳演算法對神經網路速度辨識器進行了優化設計;運用遺傳演算法對pid速度調節器的結構和參數進行了整合;在採用模糊神經網路對電機定子電阻辨識的基礎上,進行了定子磁鏈及轉矩的觀測,為最終實現無速度傳感器直接轉矩控制系統的智能控制創造了條件。The dissertation deals in details with the basic principle of direct torque control. according to the faults of traditional direct torque control and the requirement of an induction motor ' s control strategy change the method of regulating stator flux to make its path approximate to a circle as possible as could. to get quickly torque control, use a three - value regulator
本論文介紹了電動機直接轉矩控制的基本原理,並根據傳統直接轉矩控制存在的缺點以及對電動機調速性能的要求,改變對定子磁鏈的調節方式,使定子磁鏈軌跡近似為一圓形,對轉矩採用三值調節器進行調節,以實現轉矩的快速調節。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
通過對逆變器開關狀態的分析進而得到電壓空間矢量,並且論述了電壓空間矢量與轉矩和磁鏈之間的關系,使用兩點式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器進行調節,以實現轉矩的快速調節。Design of digital excitation voltage regulator based on the compounding control method
復合控制數字勵磁電壓調節器設計As the basic work of the designing and evaluating of fuzzy gpss, the mathematic models of simple hydro - electricity system stability analyzing and controlling are founded and summarized which include the linearized model of hydraulic system - hydoturbine based on the linearized model of hydraulic system considering elastic water hammer and the linearized model of francies turbine, two different linearized model of single - machine infinite - bus system ( k1 - k6 model and c1 - c12 model ), the nonlinear model of single - machine infinite - bus system based on three - order model of synchronous generator, the model of exciting system and the model of governor
作為設計和評價水電機組模糊gpss的基礎,本文歸納建立了簡單水電系統穩定分析與控制的數學模型,它包括:計及彈性水擊的水力系統線性化模型、混流式水輪機線性化模型以及在此基礎上的水力系統?水輪機線性化模型;單機無窮大系統兩種詳細程度不同的線性化模型,即k _ 1 - k _ 6模型和c _ 1 - c _ ( 12 )模型;基於同步發電機三階模型的單機無窮大系統非線性模型;勵磁系統和調速器模型等。This thesis comes from the technological innovation project 2002 in xi ' an. the research is focused on the adaptive hybrid excitation synchronous generator system with constant output voltage. in order to keep the output voltage constant, the adaptive control is introduced in the digital voltage regulator of the generator system
本課題來源於2002年西安市重大技術創新工程計劃?自適應復合勵磁恆壓同步發電機系統的研究,通過採用數字電壓調節器對復合勵磁同步發電機的自適應控制,實現發電機的恆壓發電輸出。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。Therefore, the stable operational region of generators is discussed along with the analysis on relationship between under - excitation operation and loss of excitation / synchronism, end temperature rise of stator - core, and automatic excitation regulators etc
針對這種情況,對發電機穩定運行區域進行了探討,並對進相運行與失磁失步、進相運行與定子鐵心端部過熱、進相運行與自動勵磁調節器等關系作了分析。Main products of ours : electric igniter, pressure regulator, bobbin, ignition controller, magnetogenerator, starting relay and flasher relay, ect for honda, yamaha and suzuki
主要生產本田雅馬哈鈴木系列的電子點火器調壓器點火線圈點火控制器磁電機起動繼電器閃光繼電器等成套電裝品。In magneto - optic ( mo ) waveguids, the interaction between msws and guided optical waves ( gows ) can lead to the bragg diffraction of the gows. the resulting many new devices, such as mo modulator, optical switching, scanning, frequency spectrum analyzers, can be developed with applications to optical communication and optical information processing
在磁光波導中,靜磁波與導波光相互作用可導致導波光的bragg衍射,利用這一原理,可做成磁光調制器、光開關、掃描儀、頻譜分析儀等新型磁光bragg器件,並在光通信和光信息處理等領域有著十分廣闊的應用前景,引起人們越來越多的關注。The main module of sensorless pmsm vector control such as voltage sensing, current sensing, smo rotor position estimation, speed calculation, generation of sine and cosine, vector coordinate transformation, pi regulators, svpwm vector modulation are all accomplished in the pwm interrupt service routines
永磁同步電機無位置傳感器矢量控制的主要模塊如電壓采樣、電流采樣、滑模轉子位置估算、速度計算、正餘弦值生成、矢量坐標變換、比例積分調節器、空間電壓矢量脈寬調制等都是在pwm中斷服務子程序中完成。Its control precision must fit a certain extent standard. now, proportional hydraulic valve which developed from the general hydraulic valve is applied in ali kind of control scopes. it uses proportional electromagnetic iron to change the electron signal into mechanical signal instead of the manual adjuster or general switch electromagnetic iron
現在工業生產中得到廣泛應用的比例液壓閥多是在普通液壓閥的基礎上,採用廉價而可靠的比例電磁鐵作為電-機轉換元件,把電氣控制信號轉為機械信號,以代替原閥內的手動調節器或普通開關式電磁鐵。Simulation and analyses on the model are done. the paper gives detailed analyses of the motor ' s exciting current by the experiment of the voltage regulation system for the first time. the methods of improving automatic voltage regulator are presented based on the analyses of results
然後設計了發電調壓器的硬體電路,建立了調壓系統的頻域模型並進行了模擬分析,對發電系統作了較為全面的實驗,首次詳細分析了勵磁電流的變化規律,分析了實驗結果,提出了調壓器的改進。Tianjin endurance vehicle electric & electronic parts co., ltd is a professional company which has been producing high - energyignition coils and electronic regulators, electronic ignition mounted controllers, electronic control flashers, distributors, rubber parts, solenoid switche for starters, high - voltage cables for many years
天津耐力汽車電子電器有限公司是專業生產各型汽車電子電器產品、電壓調節器、內裝電子點火器、電子閃光器、分電器、橡膠件、啟動機電磁開關以及點火高壓線等汽車電器與電子控制部件的公司。Analysis of the mathematics model of the field oriented vector - control system, design of the closed - loop pi controller of speed, torque and flux ; studies on the control principle and algorithm of svpwm, and analysis of the two control methods of svpwm. 2
深入研究了轉子磁場定向矢量控制系統的數學模型,設計了轉速、磁通及轉矩的閉環調節器:對svpwm的工作原理和控制演算法進行了研究,並分析比較了它的兩種控制方式。Limited by time this paper focused on three areas : ( 1 ) basic dtc principal study and research ( 2 ) the design of speed regulator of dtc ( 3 ) a new kind of stator flux observer because the dtc system is a nonlinear system and we ca n ' t grasp the parameters completely, the classic speed regulators design method is not fit for dtc system
由於時間有限,本文所進行的研究工作主要集中在三個方面: ( 1 ) dtc基本原理的學習與實現( 2 ) dtc中轉速調節器的設計研究。 ( 3 )新型定子磁鏈觀測器的研究。 dtc所具有的非線性和參數不可知的特性決定了直流調速系統的轉速調節器的設計方法不能完全適合於dtc系統。分享友人