浮力矩 的英文怎麼說

中文拼音 [fúlìjǔ]
浮力矩 英文
buoyancy moment
  • 浮 : Ⅰ動詞1 （漂在液體表面） float; drift 2 [方言] （在水裡游） swim Ⅱ形容詞1 （在表面上的） superfici...
  • 力 : 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...
  • 矩 : 名詞1. （畫直角或正方形、矩形用的曲尺） carpenter's square; square2. （法度; 規則） rules; regulations 3. [物理學] moment
  1. Because it is impossible to adjust the air bearing absolutely balance, the difference between mass center and rotation center must lead to a notable gravity disturbance torque. in the process of identification, modeling and identification of gravity disturbance torque is considered, and an extended kalman filter is educed for identifying air bearing inertia matrix and gravity disturbance torque, and then the algorithm is validated

    由於氣浮臺平衡調試方法和手段的限制，實驗過程中氣浮臺質心與轉動中心有一定的位置偏差，必將導致較大的重力干擾力矩，在辨識演算法的推導過程中，重點考慮了重力干擾力矩的建模和參數辨識問題，推導了氣浮臺的轉動慣量和重力干擾力矩辨識的擴展卡爾曼濾波演算法，並對演算法進行了數學模擬和全物理模擬驗證。
  2. The magnetic suspension bearingless motors generate both electromagnetic torque and magnetic levitation forces for the rotor suspension by the motor itself. the bearingless motor is comparatively suited for using as artificial heart blood pump motor due to the advantages of without mechanical wear and noise, structure compact and contactless

    磁懸浮無軸承電機定、轉子既用於產生驅動力矩，同時又用於產生支撐轉子的磁懸浮力，具有無機械磨損、噪音小、可高轉速和體積小等特點，比較適用於人工心臟血泵電機。
  3. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。
  4. According to the working principle of magnetic bearing, there exists force coupling, magnetic coupling in radial magnetic bearings inside the magnetic suspension rotor system, and there exists force coupling, moment coupling between magnetic bearings as well

    摘要磁懸浮轉子系統中，根據磁力軸承工作原理，徑向磁力軸承內存在力耦合、磁耦合；徑向磁力軸承之間存在力耦合、力矩耦合。
  5. First, after the overall structure of the differential balance mechanism is determined considering the given requirement, the concrete structure of the mechanism is designed with the reference of the design method of the differential which is widely used in autos. the differential gearing system is optimized and more appropriate parameters are got with which the functional requirements can be satisfied and the weight of the mechanism can also be reduced. the surface type structure is adopted on the rocker shift, so the mechanical performance of the differential gearing system and the rocker shifts may be improved

    本文根據整車的性能要求確定了差動平衡機構的總體結構形式，以汽車驅動橋差速器及半軸的設計方法為參考，對差動平衡機構的原理樣機進行了完整的結構設計;對核心的差動輪系部分進行了優化，得出了既能滿足功能要求又可以有效減小機構質量的較合理的參數;在搖臂軸中使用了類似汽車驅動橋半軸的浮式結構，使搖臂軸所受彎矩大大降低，從而改善搖臂軸和差動輪系的力學性能。
  6. A novel bearingless motor with decoupling relationship between magnetic levitation force and electromagnetic torque is proposed and a prototype machine are designed and built

    分析了磁懸浮力產生的特點及電磁轉矩與磁懸浮力的解耦控制機理。
  7. The numerical calculation for a channel ferry is carried out to find out the nonlinear rolling response of the ship and displacement response of the slipping vehicles under the simultaneous disturbances

    考慮非線性恢復力矩和非線性阻尼力矩的影響，運用浮基多體系統動力學方法，建立了系統的動力學方程。
  8. A new bearingless induction motor system with five degrees of freedom is developed including a bearingless induction motor and a permanent magnet biased axial - radial magnetic bearing. the control strategy of bearingless induction motor based on air - gap flux orientation is introduced, and the decentralization pid control is used to maintain equal air in the five degrees of freedom. the digital controller guarantees rotor suspension steadily, and the speed of rotor reaches 3000 rpm

    闡述了無軸承異步電機的氣隙磁場定向控制策略，採用該非線性控制方法能使無軸承異步電機解耦成轉矩子系統和磁懸浮徑向力子系統，從而可以採用經典pid對這兩個獨立的子系統進行控制，首次實現了系統在0 3000rpm轉速范圍內的穩定懸浮。
  9. Finally, a novel scheme of bearingless switched reluctance motors with two - phase excitation is proposed. a mathematical model is built based on two - phase excitation

    建立了雙相導通模式的數學模型，推導了徑向懸浮力和電磁轉矩的表達式。
  10. These are the main results : firstly, on point of the energy exchange in mechanic - electronics, relations among magnetic energy, torque and radial force of pmb are found out

    主要研究工作如下：首先，從機電能量轉換的角度出發，推出了動力磁軸承磁場能量與電磁轉矩及徑向懸浮力的關系。
  11. The thesis indicates that both torque and radial force are generated even by using motor ' s coiling method

    文中指出，利用普通電機繞線形式既能夠產生轉矩，也能夠產生懸浮徑向力。
  12. Being very different from traditional motors, a bearingless motor not only generates electromagnetic torque, but also produces magnetic forces to suspend its rotor without using mechanical bearings

    與傳統電機的最大不同之處是它不需要另外的軸承，電機本身既可產生轉矩，又能產生支撐轉子的磁懸浮力，使轉子能夠實現無機械摩擦旋轉。
  13. The calculation expressions of electromagnetic support forces of the spherical magnetic bearing and the calculation expressions of turning moment for the spin axis of flywheel rotor are presented. the dynamic model in radial translation and in rotation, as welll as the movement simulation with the widely used control method pd was proposed independently

    並按照設計的基本結構，推導了球形磁懸浮軸承的電磁承載力的計算式和偏轉電機提供的偏轉力矩的計算式，並將轉子的運動分為平動和轉動兩部分分別進行了動力學分析，給出其運動方程。
  14. The vortex moment of gas spherical bearing is caused by the uneven gas film between the sphere and the sphere socket. there are two reasons to produce the uneven film. the first one is the manufacture error

    靜壓氣浮球軸承的渦流力矩主要是由於空氣軸承的球體和球窩之間的氣膜厚度不均所引起的，引起氣膜厚度不均的主要因素有兩個:一是由於球和球窩的加工誤差，二是由於氣浮臺臺體變形引起的誤差。
  15. Abstract : the bearingless induction motor, which combines the induction motor and magnetic bearing is a strongly coupled complicated nonlinear system ; the decoupling control of the electromagnet torque and radial levitation force is the base of the stable operation of the bearingless motor

    文摘:無軸承異步電機是一個強耦合的非線性復雜系統，實現其電磁轉矩和徑向懸浮力之間的解耦控制是該電機穩定運行的前提。
  16. The work in this thesis focuses mainly on the basic theory of bearingless motors, magnetic levitation forces and their decoupled control with electromagnetic torque as well as air gap dynamic detection. three parts are included

    圍繞磁懸浮無軸承血泵電機的基本原理、磁懸浮力產生及其與電磁轉矩的電磁解耦機理和轉子位置的動態檢測等方面，本文主要開展了如下的研究工作。
  17. The air bearing is the most important part of an attitude control system simulator for simulating a satellite moving in the weightless circumstance. performance of a satellite attitude simulation system based on air bearing is decided by the inertia matrix and gravity disturbance torque arising from a difference between mass center and rotation center, and air bearing can be used to simulate the algorithm of on - line mass - property parameters identification on the ground. so the problem of mass - property and gravity disturbance torque identification for satellite and air bearing is studied in this thesis

    氣浮臺能夠模擬衛星在軌失重條件下的姿態運動，是衛星姿態控制系統物理模擬的核心部件，其轉動慣量和質心偏移引起的重力干擾力矩等決定了基於氣浮臺的衛星姿態物理模擬系統的性能，並且利用氣浮臺可以實現衛星質量特性在線辨識演算法的地面物理模擬驗證，因此本文對衛星和氣浮臺的質量特性及干擾力矩在線辨識問題進行深入研究。
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