非同步電機 的英文怎麼說
中文拼音 [fēitóngbùdiànjī]
非同步電機
英文
non-synchronous machine- 非 : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
- 步 : Ⅰ名詞1 (步度; 腳步) pace; step 2 (階段) stage; step 3 (地步; 境地) condition; situation; st...
- 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...
- 機 : machineengine
- 電機 : (任何產生和應用電能的機器 特指發電機、電動機) any power generating or power driven machine esp ...
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Decoupled control of the permanent magnet linear synchronous motor
永磁直線同步電動機伺服系統的非線性控制When the accelerating time of frequency is equal to zero, this paper discusses the gain of inventer - induction motor under the vector controlled and non - vect or c ontrolled. at the same time, this paper discusses it while the time of slope is no t zero. the m othod of the slippery and difference is introduced in this papaer for designing the system contained inv - m
討論了頻率加速時間為零時,矢量控制和非矢量控制兩種情況的通用變頻器異步電動機的傳遞函數,同時也討論了斜坡給定時間不為零的通用變頻器異步電動機傳遞函數,介紹了滑差限定的方法,為設計含有inv - m的系統提高提供了理論依據Abstract : when the accelerating time of frequency is equal to zero, this paper discusses the gain of inventer - induction motor under the vector controlled and non - vect or c ontrolled. at the same time, this paper discusses it while the time of slope is no t zero. the m othod of the slippery and difference is introduced in this papaer for designing the system contained inv - m
文摘:討論了頻率加速時間為零時,矢量控制和非矢量控制兩種情況的通用變頻器異步電動機的傳遞函數,同時也討論了斜坡給定時間不為零的通用變頻器異步電動機傳遞函數,介紹了滑差限定的方法,為設計含有inv - m的系統提高提供了理論依據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
本文根據大量的國內外文獻,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分析,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電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分析,並用pid控制器進行參數整定,減小雙缸同步誤差、提高系統的動態響應性能;其中控制性能的分析藉助于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,從而利於交互方式下調整參數,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器與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。To realize nolinear excitation controller, it must be improved that the disposal speed of nolinear excitation control " s signal. with analyzing and comparing all kinds of microcomputer excitation controller, a new microcomputer excitation control scheme is offered that is based on dsp controller while the cpld chip is utilized for realizing the function of pulse trigger. it is described in detail that the method of realizing controllable silicon digital logic by verilog hardware describe language and the designed digital pulse trigger " s veracity was validated by digital simulation
論文進一步針對非線性勵磁控制要求信號處理速度高、信息量大的特點,在對目前微機勵磁控制器分析基礎上,提出採用dsp控制器晶元作為核心處理器的微機勵磁控制器的解決方案,運用復雜可編程邏輯器件cpld晶元實現可控硅同步脈沖觸發單元,並簡要說明了verilog硬體描述語言和數字脈沖形成邏輯的方法,通過電路數字模擬對所設計的數字觸發單元進行了驗證。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。The simulation results show that the controller can guarantee the global asymptotical stability of the system, and the pmsm servo system achieves excellent tracking performance, and is robust to uncertain parameters and load torque disturbance
模擬結果表明,所設計的非線性控制器保證了系統的全局一致穩定性,永磁同步電動機伺服系統獲得了很好的跟蹤效果,並且對參數不確定性及負載力矩擾動具有很好的魯棒性。So it is very difficult to set up the mathematical model. with the development of the technology of electronics and controlling, it is probable to realize the mainland method
與直流電動機不同,三相異步電動機是一個非線性、多變量、高階強耦合的復雜被控對象,從而很難建立它的精確數學模型。A nonlinear speed controller for permanent magnet synchronous motor based on adaptive backstepping control was designed, which uses second - order filter to smooth the speed reference
摘要設計了一種基於自適應同步控制的永滋同步電動機非線性速度控制器,採用二階濾波環節平滑速度指令。The principle of i d = 0 control method is analyzed systematically based on vector control technique of pmsm. this thesis points out that vector control is more a static decoupling than a full decoupling. in fact, the i d = 0 control method of pmsm, which can realize torque linearization control, is a vector decoupling control
主要內容概括如下: 1 .對永磁同步電機的矢量控制技術進行了系統的分析,深入地剖析了i _ d = 0控制的機理,指出矢量控制只是一種靜態解耦,並非完全解耦,永磁同步電機的i _ d = 0控制實質是一種矢量解耦控制,可以實現轉矩線性化控制。In this system, the velocity and position synchronization of the two motors is the very important thing. in this sense, the improved cross - couple control algorithm for synchronized motor control is used to emphasize synchronization between the two motors at expense of following the command absolutely. in case of synchronization for multiple motors, the real time data communication is necessary
在這個系統中,兩臺電機速度和轉角的精確同步是最關鍵的,根據這一特殊要求,本文研究了已被廣泛應用的非耦合控制演算法和傳統的耦合控制演算法,提出了改進的耦合控制演算法對兩臺電機進行控制,並對幾種控制演算法進行模擬分析。In this paper calculation methods of various characteristics curves considering magnetic field nonlinear effect of synchronous generators is systematically studied. the comparison between the results and those without consideration of nonlinear effect is given. the magnetic field nonlinear effect on the operating characteristics is analyzed and the possible factors causing the nonlinear phenomenon is presented
本論文系統地研究了同步發電機在考慮磁場非線性的影響下各種特性曲線的計算方法,並與不計磁場非線性時的結果進行比較,分析了磁場非線性對同步發電機運行特性的影響以及可能引起磁場非線性的因素,並研究在考慮三元變量作用下採用插值法估算同步發電機的勵磁電流和功角。Direct torque control using space vector modulation ( svm - dtc ) scheme is discussed and the detailed designed, including space vector choosing and modulating, to overcome the control difficulties coming with the characteristic of low inductance. comparing with the basic dtc, the simulation results confirm the feasibility and good performance of this strategy. in order to reduce the torque error in dynamic state resulted from the nonlinear relationship between the torque and torque angle, a proportional - plus - integral ( pi ) torque controller with variable proportion is presented to ensure exact and quick control of torque in dynamic state
系統的闡述了永磁同步電機直接轉矩控制理論,分析了改進后的svm - dtc控制策略,並具體設計了控制技術的實現方案,包括參考矢量的生成和空間電壓矢量調制的方法;為減小電磁轉矩與轉矩角非線性關系這一因數給電機電磁轉矩動態調節造成的誤差,本文實現了變比例系數轉矩pi調節器的方案,確保了系統穩定性的同時,實現了電磁轉矩在動態過程中快速而準確調節。The background of the thesis is " theory of dynamic precision synchronization traverse and research of realization methods for linear servo dual position loops system ( no. 50075057 ) ", which is supported by national natural science foundation of china. in this paper, we introduce a theory of nonlinear pid control and put it in the system of motor ' s synchrodrive control. the method how to design a nonlinear pid co trailer is also introduced. compared with linear pid controller, this method is testified to be well
本文以國家自然科學基金資助項目《直線伺服雙位置環動態精密同步進給理論和實現方法研究( no . 50075057 ) 》為背景,將非線性pid控制理論應用於電機的同步控制當中,給出了非線性pid控制器的設計方法,並且與傳統線性pid控制下的控制系統做了比較,驗證了該方法的有效性。In this thesis, by the summarizing and analyzing about the present stability control study state of synchronous generator unit, it is achieved that the governor pss ( gpss ) is more suitable for the stability control of multi - machine system because of its better decoupled character than conventional pss ; the intelligence control theory is more reasonable than conventional methods to design the hydro - generator unit gpss because of the uncertainty of mathematical model of hydro - electricity system caused by intense nonlinear character and time - variant operating mode of hydro - turbine and water - hammer effect of hydraulic system
本文對同步發電機組穩定控制的研究現狀進行了綜述和分析。認為:與常規pss相比,調速器側pss ( gpss )具有良好的解耦特性,更宜用於多機系統的穩定控制;由於水輪機特性的強非線性、工況的時變性以及引水系統的水擊效應所導致的水電系統數學模型的不確定性,採用智能控制理論設計水電機組gpss較常規設計方法更為合理。( 3 ) the key to enhance the power system. s stability is to choos e the appropriate sg. s excitation control m e thod
( 3 )同步發電機的穩定性關鍵在於其勵磁控制的作用,因此選擇合適的控制方法非常的重要。In allusion to the nonlinearity and strong coupling of multiphase pmsm, fuzzy vector control method is brought forward first in the paper. simulation is done on the multiphase system which is built previously. then fuzzy vector control is improved and get better performance
本文針對多相永磁同步電機的非線性、強耦合,首先提出了模糊矢量控制方法,在建立的多相系統上進行了模擬研究,並對一般模糊控制系統做了改進,使得控制的效果更加理想。With the 300mw turbo - generator as an example, the effects of saturation on operational characteristics and the stator and rotor ' s practical dimensions and configuration on the saturated characteristics have been studied ; some work on the grid division strategy considering the practical dimensions and configuration and the precision of the nonlinear finite element equation also has been studied. then the program for calculating and analyzing turbo - generaors " steady characteristics has been compiled and devised
本文在系統地研究了汽輪發電機運行特性(飽和特性、短路特性、零功率因數負載特性和u形曲線) 、非線性有限元方程計算精度、定轉子實際結構對飽和特性的影響及計及定轉子實際結構時的剖分策略等問題之後,進一步研究開發了適于不同型號汽輪發電機穩態分析的通用性有限元軟體。General in each country s power supply voltage and power frequency are fixed such as chinese american 220v 50hz 120v 60hz, the very same applies to hang rotational speed electrical driven occasions
一般在每個國家的電源電壓和電源頻率都是固定的如中國220v 50hz美國120v 60hz ,所以同步電機非常適用於恆轉速驅動的場合。The characteristic of propulsion and levitation force of the linear synchronous motor is of great importance for the drive of the maglev train
直線同步電機的懸浮力和驅動力特性對于磁懸浮列車的運行非常關鍵。分享友人