磁力變速器 的英文怎麼說

中文拼音 [biàn]
磁力變速器 英文
magnetic gear shift
  • : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 磁力 : [物理學] magnetic force; force on charge
  1. Several semi - active control algorithms used in the semi - active suspension system with mr dampers are proposed and developed including the " on - off " voltage controller, the continuously linear variable voltage controller, the modulated continuously linear variable voltage controller based on " sky - hook " damping concept and the hybrid controller based on the combination of " sky - hook " damping concept and " ground - hook " damping concept and the fuzzy logic controllers using measurements of the relative displacement between the sprung and unsprung mass or the absolute acceleration of the sprung mass as the input variables of fuzzy logic controllers. the simulation models were prepared in matlab ? simulink ? fuzzy toolbox programs. the experiment setup of the semi - active suspension system with mr dampers in the lab has been designed and developed

    根據阻尼特性和對懸架系統動學特性的規律性研究,為阻尼設計了基於「天棚」阻尼控制概念的「 on - off 」 、線性連續和修正的線性連續控制策略,基於「地棚」阻尼控制概念的阻尼線性連續控制策略, 「天棚」阻尼和「地棚」阻尼控制概念線性組合起來的阻尼混合控制策略,根據模糊控制原理設計了以簧載質量和非簧載質量間相對位移或簧載質量加度分別作為輸入量的模糊邏輯控制用於阻尼半主動懸架的智能控制。
  2. The stator of aceg is connected to the grid and the three symmetrical excitation windings in the rotor are fed by converter. the magnitude and frequency and phase and phase sequence of excitation voltage can be controlled, so the magnitude and position of excitation mmf as well as the speed of rotor can be controlled. therefore, acegs have superior performances by contrast with conventional synchronous generators and induction generators, such as upstanding stability, power generation of variable speed constant frequency ( vscf ), adjusting active power and reactive power independently, and absorbing lag reactive power deeply

    交流勵發電機的基本結構與繞線式異步電機相同,其定子側接電網,轉子上採用三相對稱分佈的勵繞組,由提供對稱交流電勵,且勵電壓的幅值大小、頻率、相位、相序都可根據要求加以控制,從而可以控制發電機勵場大小、相對于轉子的位置和電機的轉,使得交流勵發電機具有良好的穩定性及轉適應能、獨立的有功與無功調節能和較強的進相運行能,性能超越傳統同步發電機和感應發電機,因而有著廣闊的應用前景。
  3. Since high tc superconducting ( hts ) tapes for practical applications became commercially available over the past few years, the development of superconducting power technology has achieved significant progress. it is foreseen that superconducting technology will be the prevailing high technology of the 21st century, and that superconducting power equipment will be commercialized soon, enjoying a large - scale worldwide market before 2010. china ' s economy is expanding fast, and the demand for electricity is increasing quickly. at the same time, higher electricity quality will be required. traditional power technology will no longer be able to satisfy future requirements, so superconducting power technology would be the best solution, leading a revolution in the power industry. the history, present status and prospects of superconducting power technology as well as the economic benefits and basic physics problems involved are reviewed

    人們認為,超導體在電方面出現大規模應用的時間距離我們還非常遙遠.然而,隨著最近幾年來實用高溫超導材料的研製取得重大的進展,高溫超導電技術的應用已經成為現實,預期將在2010年左右出現大規模的應用,並將帶來電工業的革命.因此,下一個10年將是國際超導技術競爭最關鍵的10年.我國的經濟發展很快,電能需求量增加十分迅,對電能質量的要求也越來越高.常規電技術已經無法滿足我國電發展的需要,超導電技術是實現我國電發展目標的必由之路.文章有代表性地介紹了超導電纜、超導限流、超導儲能系統、超導和超導旋轉電機等的基本工作原理及研究發展歷史,並著重介紹高溫超導電應用研究的現狀、應用前景、經濟可行性及基本物理問題
  4. Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly

    但是高性能的交流調系統實現很困難,這是因為交流電機是多量、強耦合的非線性系統,不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解耦與轉矩控制問題,其基本思路? ?應用坐標換將三相等效為二相,實現定子勵電流分量與轉矩電流分量之間的解耦,達到對交流電機鏈與電流分別控制的目的,交流電機等效為直流電機實現高性能調。隨著電電子技術的進步,計算機技術飛躍發展,高度集成的專用模塊和高精度的數字信號處理應用於交流傳動系統中,促進矢量控制迅猛發展,日趨成熟。
  5. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了風機運行特性及其最佳風能利用原理,通過模擬及實驗驗證了採用直流電機的輸出特性模擬風機的最大輸出功率曲線的可行性,並給出了模擬系統的硬體結構;然後為了實現交流勵發電機有功、無功功率獨立調節機理,分析了交流勵雙饋發電機的數學模型和在追蹤最大風能捕獲恆頻風發電時必需的定子鏈定向矢量控制策略;針對雙饋發電機轉子能量雙向流動的要求,提出並設計了具有能量雙向流動能的雙pwm交流勵;最後為實現從理論到實踐的全面研究,研製出了一套小功率完整的雙pwm交流勵的雙饋風發電機實驗系統,進行了空載、並網、同步及上、下的發電運行等一系列的運行實驗;所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。
  6. In practical studies, finally, a hybrid active power filter based on the digital signal processor ( dsp ) and intelligent power module ( ipm ) was set up, including a cycloconverter acem. based on the experimental set - up, plenty of experimental studies were conducted. the experimental results demonstrate that the self - adaptive technique, the topology of series connected hybrid power filter and the corresponding significant technologies described above are feasible and practical

    最後,實際研製了一套以dsp (高數字信號處理)和ipm (智能功率模塊)為核心的小功率混合型有源濾波裝置,在交交頻acem實驗平臺上進行了全面的實驗研究,充分驗證了本文所提出的自適應同步相關濾波技術、優化混合型濾波拓撲結構和有關的關鍵性技術的正確性和實用性,從而從理論到實踐全方位、成功地實現了對交流勵發電機輸出電諧波抑制的研究。
  7. Aiming at wide variations in loads and moment of inertia, large disturbed moment of a permanent magnet synchronous motor position servo system, and the problem of velocity limit to uniform sliding mode control, a cascaded compound slide mode controller was proposed and designed for permanent magnet synchronous motor position servo system

    摘要針對某永同步電動機位置伺服系統負載矩和轉動慣量化大、干擾矩強的特點,以及統一滑模結構控制度限幅的難題,提出並設計了串級復合滑模結構拉制
  8. In this papef, the torpedo ' s counterrotating propulsion dc motors ( including series excitation motor and permanent magnetic excitation motor ) are the core to stlldy ; combining the characteristics of battery shiffing electrical equipment and counterrotating propellers, the mathematic models of the torpedo ' s electrical counterrotating propulsion system ( including the mathematic models of the propulsion motors and the zn / ago battery and the shifting electrical equipment and counterrotating propellers ) are established

    本論文以雙轉魚雷直流推進電機(包括直流串勵電動機和永他勵電動機)為研究重點,結合鋅銀電池組、、對轉螺旋槳的特性,建立魚雷電動推進系統的數學模型(包括推進電機、鋅銀電池、和對轉螺旋槳等的數學模型) 。
  9. The controllers have considered all sorts of imperceptible factors affecting the servo performances in a lpmsm servo system, which include the parametric uncertainties brought by the changes of the mobile mass, frictional coefficient, the thrust fluctuations aroused by the varieties of the magnetic density distributions and the time harmonic. the h state feedback controller restrains disturbances and uncertainties to keep the robust and stable performance. the ip controller, which has the ability of rapid response, is applied to satisfy the rapid performance

    在分析雙環控制問題時,針對直線永同步電動機,仔細考慮了能使伺服系統性能壞的各種細微因素,如:永同步直線電機動子質量化、摩擦系數化等造成的模型參數不確定性,電機運行期間存在密分佈化、時間諧波等產生的推擾動等,採用了ip度控制和h _狀態反饋控制相結合構成直線伺服的內環控制,並輔助設計了外環的pi位置控制
  10. The main contributions of the dissertation are as follows : on the basis of experimental results, the operational effects, such as the magnitude of magnetic field, the temperature and the rate of shear strain, on the shear stress of the mr fluid are shown and models of the quasi - bingham model and a nonlinear model for the shear stress of the mr fluid also are developed, in which the characteristic of " shear - thin " of the mr fluid is described

    論文的主要貢獻如下:通過測試液剪切應感強度、剪切應率、溫度的化規律,建立了能反映液剪切稀現象的剪切應與剪切應率的液模型。根據液模型,從理論上建立了能在較寬的電壓內范圍比較準確地預報阻尼輸出的近似公式。
  11. Thus, it is difficult to find the voltage reference for the harmonic analysis. since acem are always operated near to the synchronous speed, the frequency of the excited voltage is very low, even to zero. therefore, this is the power harmonic suppression study of a complicated power supply system, in which the about harmonic general theories and methods are all inapplicable

    現代交流勵電機( acem )採用電電子作為勵裝置,其勵電壓諧波含量豐富,難于獲得諧波分析所需的電壓基準,同時交流勵電機經常工作在同步轉附近,致使勵電壓頻率極低甚至為直流,通常的諧波檢測方法和理論都無法適用,因而這是一種目前尚未深入探討過的復雜供用電系統電諧波抑制問題的研究。
  12. Ltd founded in 1999, is a new high technology enterprise, specialized in researching, developing, manufacturing and selling of elevator weight - load system, elvator ic intelligent management system and the like of elevator dynamic static state data record management system and the like of elevator fittings. there are more than 100 experienced staff members including r d perpons, engineers and adminstrators who do their utmost to offer prompt, efficientand overall services for customers. our company manufactures six kinds of productions that hold autonomous. our company manufactures six kinds of production that hold autonomous intellectual property rights and has established long - term friendly cooperation with over one hundred ecactly elevator manufacturtures in china and abroad

    秦皇島開發區前景光電技術有限公司成立於一九九九年,是一家專業從事研製開發銷售電梯重量載荷控制系統電梯ic卡智能管理系統電梯遠程自動報警安防管理系統和永同步電梯專用等電梯配件產品的高新技術企業。我公司擁有經驗豐富的科研工程技術管理人員一百余名,竭為客戶提供迅優質全面的服務。公司生產擁有自主知識產權的九項專利產品,並與百余家整梯生產企業建立了長期的友好合作關系。
  13. The giant magnetostrictive material is a new functional material, which has high magnetostriction, which has high response velocity, high energy density, big output force. because of the choiceness properties of the gmm, many researchers of the world countries now have taken part in studying it. also its corresponding theory and applications studies are being researched

    致伸縮材料是( giantmagnetostrictivematerial , gmm )一種新型的稀土功能材料,具有致伸縮應大、響應度快、能量密度高、輸出大等顯著的特點,以其優異的性能和良好的應用前景而得到了世界各國研究者的廣泛關注,其相應的理論及應用研究正日益廣泛,相關的各種應用件正被世界各地的研究者開發出來。
  14. Another problem is time - delay being in the control of mr structure, hi this paper, one input of the fuzzy logic controller is the seismic acceleration that avoids some time - delay being in the control. but time - delay being in the structure still is n ' t solved, so the neural network technique is introduced to predict the seismic responses of structures to avoid it, and the bi - state neural network control and fuzzy full - state neural network control are proposed. 4

    對于阻尼結構控制中的時間滯后問題,本文將地震加度作為模糊邏輯控制的一個輸入,消除了控制中部分滯后問題;但仍存在著結構本身的滯后問題,對此引入神經網路對建築結構的地震反應進行預測,並基於預測的動反應和實測結構的動反應的綜合值作為模糊邏輯控制的輸入來消除建築結構本身的時滯,並提出了雙態神經網路控制和模糊全態神經網路控制; 4
  15. The main features of the system are as follows : ( 1 ) there is no direct mechanical connection between engine and wheel, so the engine can be adjusted to work at high efficiency zone. ( 2 ) the power of the engine can be transmitted to driving axle directly by the electromagnetic force, and only part of power is converted from mechanical energy into electric energy, so the power losses in energy conversion can be reduced. ( 3 ) the system can also operate as electronic continuously variable transmission

    其特點是:發動機獨立於車輪運轉,可始終在高效區工作;發動機的動主要通過電直接傳給驅動橋,僅有少部分動經過機械能電能機械能的轉換,降低了能量轉換過程中的損失;且該系統兼備無級的功能。
  16. Today, mw wind generators substitute 600kw generators gradually and become the popular units of international market of wind power generation. the trends of units are variable speed constant frequency and large - scale and pitch control. there are many different generators which are variable speed constant frequency generator. in this paper the unit is fully - fed magnet wind turbine generator. the magnet wind turbine generator grid - connected inverter is the key component of connected system. the main function of this component is inverting the dc to three - level volage and connecting the electric net

    實現恆頻發電的方法眾多,本文研究的是較常用的一種方案。該方案採用直驅永發電機通過直接連接到電網。永發電機並網逆是並網發電系統的核心部分,其主要功能是將經過整流、斬波升壓后的直流電逆成三相交流電,並送入電網,實現並網。
  17. Resistance with transmission system for smooth pedalling even at high tension

    ?電、令踩踏更順滑
  18. Electromagnetic resistance with transmission system for smooth pedalling even at high tension

    令踩踏更順滑
  19. Combined with the advantages of matrix converter, ac - excited generation technique and vector control scheme, the stator flux - oriented vector control model of the variable - speed constant - frequency ( vs cf ) ac - excited generator fed by a matrix converter was developed. simulation studies of the proposed power generation system were carried out

    本文還結合了矩陣式、交流勵發電技術和矢量控制的優點,建立了矩陣式供電的恆頻交流勵發電機定子場定向的矢量換控制系統模型,對矩陣式在交流勵發電系統中應用進行了模擬研究。
  20. Now, the reported fgs can measure many physical parameters including temperature, strain, stress, displacement, pressure, torsional angle, twist moment ( moment of torque ), accelerated velocity, current, voltage, magnetic field, frequency, density, coefficient of thermal expansion, trembling etc. some of the fiber grating sensing systems have been put into practical use

    目前,已報道的光纖光柵傳感可以檢測的物理量有:溫度、應、壓、位移、壓強、扭角、扭矩(扭應) 、加度、電流、電壓、場、頻率、濃度、熱膨脹系數、振動等,其中一部分光纖光柵傳感系統已經實際應用。
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