轉速偏差 的英文怎麼說

中文拼音 [zhuǎnpiānchā]
轉速偏差 英文
speed variation
  • : 轉構詞成分。
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : Ⅰ形容詞1 (不正; 歪斜) inclined to one side; slanting; leaning 2 (只側重一面) partial; prejudi...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • 轉速 : speed; revolution; rotation rate; speed of revolution; rotating speed; rotational speed轉速指示器...
  1. The main function of a governor is to monitor the speed deviation of a hydro turbine unit and convert it into the displacement deviation of the servomotor according to a specific characterisic. it is used to control the opening of the guide apparatus and to ensure the unit run steadily at fixed speed under a given load

    調器的主要功用是檢測機組轉速偏差,並將它按一定特性換成接力器的行程,藉以調整機組導水結構的開度,使機組在給定的負荷下以給定的穩定運行。
  2. 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- -子角、、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。
  3. In order to solve need badly three - ring type gear reducer ( problems of high vibration, high temperature and short spin arm bearing life in operation, by means of power separation flow, elastic ring equilibrating load, tardy down and assimilation vibration of synchronous belt transmission, and mechanism balance principle, the author designs a new type three - ring type gear reducer with arc tooth synchronous belt transmission, the gear reducer is fully balancing, equilibrating load and reducing vibration and phase difference 180 ( of mass eccentricity

    為解決一般三環減器振動大、溫升高和臂軸承使用壽命短等生產中迫切需要解決的問題,依據功率分流、彈性環均載、同步帶緩沖及吸振和機構平衡原理,設計出了一種具有圓弧齒同步帶傳動的完全平衡、均載減振,心相位為180的新型三環減器。
  4. Analysis indicates the " low pressure closed reticular flow region " results in the non - equilibrium of pressure along the primary jet ' s orifice. to obtain as large vectoring angle as possible, the optimal ranges of angles, frequencies, velocity amplitudes, and distances from the microjet actuator to the primary jet exit were discussed. the relationship between the vectoring angle of the primary jet and the phase - difference of two adjacent actuators was analyzed

    分析了「拉」模型單作動器模式下,微射流作動器的入射角度、驅動頻率、度幅值及與主射流間的距離對主射流程度的影響,並確定了作動器工作參數的最佳范圍;分析了「拉」模型雙作動器模式下,不同的相位對主流程度的影響。
  5. By using auto - adjusting boundary conditions and the method of three cubed spline curve fitting, the system software can recover both of the horizontal and vertical beam profile. the measurement system can also measure the beam landing screen error of cpt. it provides a important measurement and analysis tool to improve the performance of electron gun and dy, and improve the definition of cpt

    系統軟體中,提出了採用動態確定邊界條件,通過對離散采樣點的三次樣條插值曲線的擬合恢復束斑x和y方向的輪廓,本系統既能準確客觀地描述電子束輪廓,又能夠準確快地測量電子束著屏誤等多種參數,為cpt電子槍和系統的性能改進與解析度的提高提供了有力的測試分析和研究手段。
  6. At the case of cam - follower system at high speed, the inertia of kinetic components is bound to increase to a leap compared with the system at low speed, the elastic deformation of these components will affect the precision of the driven parts at special position, so the dynamic departure is inevitable

    當凸輪機構的運度較高時,系統中運動構件的慣性力劇增,所產生的構件彈性變形的影響將導致工作端運動規律離預定的要求,產生不容忽視的動態運動。因此,高凸輪機構的研究正日益受到廣泛關注。
  7. Chapter analyzes the causes of chinese financial risks in the present day in terms of the economic system, financial system, fiscal policies and the implementation of active fiscal policies. this article holds that factors contributing to the present chinese financial risks are of different types, including the transitory system risks due to incomplete readjustment in the reform of market economic system and the risks caused by the financial difficulties, deviation of effects of fiscal policies, misplacement of fiscal functions, and defects in t

    認為導致當前我國財政風險的因素是多方面的,既有經濟體制市場化改革尚未調整到位帶來的軌性體制風險;也有財政困難和財政體制換過程中,財政政策效應、財政職能錯位以及財政管理制度的缺陷等方面的原因帶來的風險;特別實施積極的財政政策,財政赤字進一步擴大、國債增過猛,給財政運行帶來風險,造成財政風險的進一步加劇。
  8. For the operation performance of thsc series of sheet cutters, basically the machine speed of 300 m min and the cutting speed of 500 cut min can be reached in the range of 1400 - 1900 series, but it is hardly to reach it under operation of the remain series, such as : 2100 - 3500, however, still depend on the quality of base paper. the deviation of cutting length is approximately about 0. 3 mm

    在運性能方面: thsc系列切紙機其裁切紙張線度最高可達300m min ,切刀數500cut min ,其裁切的長度值為0 . mm ,當裁切多層紙張時,切刀的負載可達600gsm ,可以說是真正高科技高效率的切紙機。
  9. The fuzzy logic controller designed in this study determines the required angular used in the dc chopper control based on motor speed error and its change

    設計的模糊控制器以電機的轉速偏差轉速偏差率為輸入,輸出量用於控制斬波調時的導通角。
  10. On the basis of previous work, we developed a new data processing system by use of dsp & oop. the new system overcame the problems existed in the old data processing system successfully, such as the bug which cause program dead loop when the data is too long, and the frequency leak due to principle limit of fft filter. in addition, we eliminated the measurement error brought on by phase warp

    我們在前人的工作基礎上,利用現代數字信號處理技術和面向對象的軟體開發技術,統一了彈上黑匣子數據處理系統的操作平臺,完善了、掃描角測試數據處理系統,修正了原有處理程序中的因數據長度過長而導致程序死鎖的bug ;利用有限沖擊響應( fir )濾波器,在濾去噪聲的同時,有效地解決了矩形窗fft濾波的頻譜泄漏問題;另外還解決了因相位而導致的測試誤
  11. This fuzzy controller can implement real - time regulation of the motor ' s rotational speed in light of the position error and its variable rate, therefore, the system can run in the direction of cutting down the position error with maximum speed when the system is under the condition of a higher position error. when the error is slight, the fuzzy controller also can reduce the motor ' s rotational speed gradually, thus the precision of the system will play a dominant role, which can create good conditions for an accurate stop when the position error diminished

    模糊控制器可以根據位置誤的大小以及位置誤變化率的大小,實時的調節電動機的,使系統在大的位置的情況下能夠以最快的度向著減小位置誤的方向運行,在小誤的情況下,能夠使電機的運行度逐漸減小,使系統控制的精確性佔主導地位,為位置誤等於零的時候能夠做到準確迅的停車創造條件。
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