rotor characteristic 中文意思是什麼

rotor characteristic 解釋
旋翼特性
  • rotor : n 1 【電機】轉子 〈cf stator〉; 動片，轉片。2 【航空】水平旋翼。3 【物理學】旋度。4 （風筒船的）...
  • characteristic : adj 有特性的；表示…特性的，…特有的。 Japan s characteristic art 日本特有的藝術。n 特性，特徵，性...
  1. Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor

    在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上，通過系統建模和數字模擬分析，分別針對航空低壓直流（ lvdc ）和高壓直流（ hvdc ）兩種電動機構用永磁無刷電動機，在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究，提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。
  2. The work principle of dual stator - winding induction generator system, and the researches on practical application of dual stator - winding generator system are analyzed in detail. aimed at the work condition of wide rotor speed and optimization of static reactive power generator ’ s volume, the performance of dynamic state and static state and optimal control of high - voltage dc generator system based on dual stator - winding induction generator, are studied in this paper. these researches not only achieve the work characteristic of dual stator - winding induction generator system, but also set up the foundation of optimal design of dual stator - winding induction generator and engineering realization of dual stator - winding induction generator system used in wind generating

    本文闡述了定子雙繞組發電機的基本工作原理，基於matlab軟體建立了定子雙繞組感應電機發電系統的模型，並在此基礎上詳細分析了定子雙繞組感應電機發電系統的工作機理、影響兩套定子繞組容量比的因素等，從而摸清了該系統的特性，尤其是定子雙繞組感應電機高壓直流發電系統在變轉速、變負載下工作的特性，從而為該系統的工程實現奠定了重要的理論基礎。
  3. A copper refine copany ' s high temperature exhaust blower which can ' t work safely was studied and optimization designed, the operation of the rotor substantially was improved ; the rotor dynamic characteristic was analyzed during reconstructing

    摘要針對某銅業公司高溫排風機不能正常安全運行開展了系統研究與優化設計，從根本上改善了該高溫風機轉子平穩性；改造過程中還首次對高溫風機轉子動力特性進行分析。
  4. A dynamic characteristic analysis of a propeller - rotor system

    槳軸發動機整機動力響應分析
  5. The analysis of dynamics characteristic of shaft rotor in high spindles is one of the important contents that directly decide the designing function of shaft. the dynamic characteristics have immediate effect on the manufacturing precision and efficiency, the lives of bearings, as well as working of the key components

    高速軸系的轉子動力學性能的分析設計是直接決定主軸性能設計的一項重要內容，主軸的轉子動力學特性對機床的加工精度和效率、主軸軸承的壽命和其它關鍵部件的正常工作等方面都有著至關重要的影響。
  6. Now, it is important to develop the composite blade researching, two measures including analysis methodology and finite methodology are provided. in this text, the finite rotation composite beam theory developed by hodges and his co - workers, during the late 1980 ' s, is adopted in order to research rotor of helicopter. a liner and two - dimension finite analytic measure is used to calculate the section characteristic and strain of the blade ; a semianalysis methodology is used to calculate the sensitive degree of section characteristic

    以giavotto的線性二維有限元分析模型為基礎考慮了復合材料槳葉的結構和變形特點，計入了剖面翹曲的影響，在此基礎上編制了具有八節點等參元復合材料槳葉剖面剛度計算的有限元程序，分析計算了復合材料梁的剖面剛度、彎曲中心、剪切中心；並利用半解析法進行剖面剛度、剪切中心、彎曲中心的參數靈敏度分析。
  7. Regard how to structure the control system of sensorless bldcm with dsp - tms320f240 as the centre in this paper, the detailed argumentation course of the motor startup, bemf terminal voltage measurement and control strategy is given out, give and pay concrete details for the software and hardware realization and experimental result. in order to treat the bldcm control system with dsp clearly, the full paper divides into six chapters altogether : chapter one, introduceing the development course, the structure characteristic and operation principle, etc. of bldcm in the introduction ; chapter two, directed against the startup issue of bldcm, the chapter give and publish the rotor measure pulse orients technology for motor startup in detail ; chapter three, proceed with mathematics model of the bldcm, expounding the control schemes ; chapter four, two important devices introducing : dsp ( 240 tms320f ) and power invertor control chip ( ir2131s ) ; chapter five, give and publish the detail of hardwares of control system ; chapter six, by ccs ide of ti, realize the control schemes in the front chapters with software, offere the procedure flow chart of main subroutine and some key place of programming, the experiment result in addition

    全文共分六章：第一章、緒論中介紹了bldcm的發展歷程、電機本身的結構特點和工作原理等；第二章、針對五位置傳感器bldcm的起動問題，文中詳細給出了檢測脈沖轉子定位起動技術；第三章、從電機的數學模型入手，詳細論述了反電動勢端電壓法和系統的控制策略；第四章、介紹了硬體實現中的兩個重要器件： dsp （ tms320f240 ）和功率管逆變器控制晶元（ ir2131s ） ；第五章、詳細給出了控制系統的硬體實現細節；第六章、利用ti提供的ccs集成開發環境，將前面章節的控制方案用軟體加以實現，給出了主要部分的程序流程圖和一些編程要點以及實驗結果。
  8. A method is proposed for the parameter identification of the viscoelastic internal dampers of the multirotor systems in this paper. the multi - rotor system is regarded as a composite structure. the impedance matching method in the substructure method for structural dynamic analysis is used for the dynamic calculation of the structure. the augmented lagrange method is applied to the iteration calculations of the characteristic determinant of eigenvalve equation of the system. and then the results of parameter identification can be obtained. upon the dynamic characteristics of the system, the method can reveal the influence of the gyroscopic moments of force precisely. in process of the analysis, the various properties of multi - rotor systems are made the best use of, so the measure of the modes parameters is avoided, the calculation is simplified. in addition, an efficient method is proposed to establish a dynamic model of multirotor systems with viscoelastic internal dampers. the calculating results are consistent with the experimental results satisfactorily

    提出了多轉子系統的粘彈性中間彈支參數辨識的一種方法.該方法把多轉子系統看作復合結構，用動態子結構分析的阻抗匹配法計算動力學特性，用增廣拉格朗日乘子法迭代計算系統特徵方程的系數行列式，獲得系統物理參數的辨識結果.該方法可以準確計入陀螺力矩的影響，避免測量振型參數.在分析中，利用多轉子系統的特性可簡化分析過程.文中還介紹了一種建立粘彈性彈支多轉子系統動力學模型的方法.計算結果與試驗結果基本一致
  9. The emulating result also shows the good characteristic to track the reference speed, and the robustness with regard to the rotor resistance

    模擬結果顯示：對速度給定值有著良好的跟蹤，且對轉子電阻呈現魯棒性。
  10. The design of structure and dynamics of a rotor blade is based on its section characteristic of composite blade

    因此，一個精確的剖面特性的分析計算方法對旋翼槳葉設計是十分重要的。
  11. The vibration characteristic of the rotor is calculated by the ansys software. the first ten natural frequencies and mode shapes are calculated. the utmost velocity of the rotor can be calculated

    利用ansys對電機轉軸進行了模態分析，求出了轉軸的前十階固有頻率和振型，得出了轉軸的極限轉速。
  12. Using this kind of bearing, we finish the spin test at 67000rpm. also, we add the controlled passive magnetic damper ( cpmd ) to the rotor tester, which is used to reduce the vibration the main achievements are as follows : 1. we analyzed dynamic characteristic of nr15 rotor with long shaft, and get its critical - speed and response to unbalanced mass

    本課題的研究，我們做了以下工作： 1對nr15帶柄轉子的動力學特性做了分析，得到了不同剛度支承下，轉子各階臨界轉速及相應振幅參數；並在原有超速試驗臺基礎上，通過設計上、下彈性阻尼支承結構，實現了nr15帶柄轉子67000rpm的超速試驗。
  13. Phase space reconstruction technology and characteristic indices algorithms, which show the wide prospects of engineering application, are presented to in order to distinguish dynamical behavior underlying observed time series from rub - impact rotor

    提出了具有工程化前景的相空間重構技術和統計特徵指數演算法，以評判碰摩轉子觀測數據所隱含的動力學行為。
  14. With the speed increment, not only 1 / 2x and 2 / 3x frequency component appear in low frequency segment, but also 4 / 3x frequency component begin to appear in high frequency segment. the amplitude of fraction frequency is usually larger than that of multiple frequencies. the nonlinear characteristic of torsion for rubbing rotor is similar with that of flexural vibration completely

    研究結果證實了扭振特徵和非線性特性用於該類故障診斷的可行性：從發生碰摩起，扭振分頻和倍頻相伴出現，轉速較低時， 1 / 2x成分突出，隨著轉速升高，不但有1 / 3x及2 / 3x分量出現，而且出現了4 / 3x成分，分頻幅值大於工頻及倍頻；彎振和扭振的非線性運動特性完全相似，扭振有抑制轉子系統復雜運動的能力。
  15. Main differences and torsional property of system response are compared with and without considering torsional vibration. and the influences of several factors on rubbing rotor are discussed thoroughly. the feasibility that torsional vibration characteristic and nonlinear characteristic are used for the faults diagnosis of rubbing rotor is proved by the analysis results fully

    建立了碰摩轉子的彎扭耦合振動模型，利用標準的四階runge - kutta法對碰摩特性進行了數值分析，比較了有無考慮扭振的情況下，系統振動響應的主要區別和相應的扭振特性，並詳細討論了幾種因素對碰摩轉子彎振和扭振特性的影響。
  16. At first, of thesis analyse a large amount of domestic and international to study about rotor crack characteristic testing modal research current situationing of analytical method synthetically, has understood existing problem, and studied the direction, the purpose and research contents clearly

    首先本論文在綜合分析了大量的國內外關于轉子裂紋特性研究尤其是試驗模態分析方法的研究現狀后，了解了存在的問題，明確了研究方向、研究目的和研究內容。
  17. The stability of period response of nonlinear rotor - bearing systems is analyzed by employing the newmark and shooting methods. the bifurcation rules of period response of elastic rotor system with multi - degree of freedom are obtained. the motion characteristic of the rotor system is determined according to the fractal dimension of poincare mapping of phase aspect and frequency spectrums at certain speed and physic parameter of rotor

    對于這三個模型，本文採用了計算速度較快的newmark方法求解系統的響應，用poincare映射、軸心軌跡和頻譜圖分析各個轉子-軸承系統在特定參數下的運動特徵，通過分岔圖研究了轉子?軸承系統隨某些參數（轉速、不平衡量分佈、軸承質量等）變化時的系統響應。
  18. Nonlinear behavior and characteristic rule of rub - impact rotor are deeply and systematically studied

    深入系統地研究了碰摩轉子的非線性行為與特徵規律。
  19. In this paper, the machining characteristic in five - axis wedm machine for pcd woodworking milling cutters and the mechanical structure and control system of increased cnc dividing rotor were introduced, and the hardware and software constitutes in this numerical control system of wedm machine were studied

    摘要介紹了五軸金剛石木工銑刀線切割機的加工特點以及新增數控分度回轉軸的機械結構和控制系統，並研究了該線切割機數控系統的硬體和軟體構成。
分享友人
分享到 Line

分享到臉書