穩度力矩 的英文怎麼說

中文拼音 [wěndùlìjǔ]
穩度力矩 英文
stability moment
  • 穩 : 形容詞1 （穩定; 穩當） steady; stable; firm 2 （穩重） steady; staid; sedate 3 （穩妥） sure; rel...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 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. After analysing several kinds of light - weighting structures through ansys, hexagonal speculum structure is confirmed. in the aspect of the controling of speculum, the paper adopts the brushless dc motor which is partial assembled to drive the point speculum and the inductosyn as angle measuring component is selected, the ad2s80a the system is used to get directly angle and angular velocity. double closed - loop speed and position control is designed, as the pid control is the well - developed algorithm, which can achieve stable rotation and precise position control

    在指向反射鏡的擺動控制方面，採用低速性能好的分裝式直流力矩電機作為指向反射鏡的驅動電機，並採用感應同步器作為角度測量元件，運用軸角轉換器ad2s80a進行角度和速度的輸出，採用技術成熟的pid控制方案，進行速度和位置雙閉環控制，以實現指向反射鏡轉動速度的平穩性和位置的精確性。
  2. 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。
  3. By using the larger magnetic permeability, magnetic fluid was used to improve the magnetic circuit efficiency in torque motor, enlarge the output torque and displacement of torque motor, and the output flow of servo valve. correspondingly, the ability of noise - overcoming and system damping was enhanced due to the property of magnetic fluid. as a result, the stability of servo valve and servo - control system can be improved

    由於磁流體具有較大的導磁率，可提高力矩馬達磁路效率、增大力矩馬達的輸出力矩和位移，從而增加伺服閥的輸出流量;同時，利用磁流體的粘度特性，可增強力矩馬達阻尼及抗干擾能力，從而增強伺服閥及伺服控制系統的穩定性。
  4. In this paper, the drive theory of the large ratio friction transmission is studied ; a new type elliptical cam wave generator is designed ; the large ratio friction transmission prototype is designed and manufactured ; based on the ansys finite element method software, structure of the elliptical cam is analyzed ; precision index of the manufactured large ratio friction transmission prototype, such as transmission accuracy, least step, stability of the least step, load capacity is measured by the absolute rotary encoder. by analyzing the measurement data and research content, it is think that the new elliptical cam wave generator could overcome a good many problems brought by processing errors, facilitate size precision adjustments, input moment can be achieved in the form of a pure force couple importing ; through this study, " the large ratio friction transmission prototype " could apply in practical engineering basically

    本文研究了大速比摩擦傳動的傳動理論;設計了新型橢圓凸輪波發生器，設計製作了大速比摩擦傳動樣機;用軟體ansys對所設計的橢圓凸輪結構進行了有限元分析;用19位絕對式編碼器測試了大速比摩擦傳動機構的傳動精度、最小步距、最小步距的穩定性以及帶負載能力等各項精度指標;對測量數據和研究內容進行了歸納和整理，認為新型橢圓凸輪波發生器克服了加工誤差帶來的諸多問題，新型橢圓凸輪波發生器可以進行尺寸精度調整，能夠達到輸入力矩以純力偶的形式輸入;通過本項研究，基本可以使「大速比摩擦傳動機構」在工程中得以應用。
  5. A precision force banacing accelerometer for ineration navigation application is developed. the resolution, low - sensitivity threshold and high thermal stability are considered as design parameters. in order to guarantee a low - sensitivity threshold while maintaining robustness against shock, push - pull type long flexures are used in this paper. to improve thermal stability, this paper discusses the use of electromagnets as a magnetic fied source. the silicon pendulum assembly and modified inducance type pick - up is also developed to reduce assembling procedure. the measure range of accelerometer is 0 - 70g

    加速度計的解析度、靈敏度閾值和高的熱穩定性是設計時主要考慮的參數。本論文中使用推?挽式長撓性結構來保證低靈敏度閾值，同時保證抗振魯棒性。為了提高熱穩定性，本文中討論了利用永久磁鐵作為磁場源；微加工技術被引入擺組件的結構設計和利用力矩線圈作為激勵線圈來簡化電感式的檢測裝置。
  6. As novel concept actuators, ultrasonic motors have been attracting intensive attention at home and abroad with their outstanding features such as low speed and high torque, large holding torque, rapid response, light weight and compact sizes, simple structure, and no magnetic disturbance, etc, and which have been applied to many fields

    超聲波電機作為一種全新的驅動器，以低速大轉矩、大靜態保持力矩、響應速度快、體積重量小、結構簡單以及無磁場干擾等優點受到國內外的廣泛關注，並在眾多領域得到了應用。其中駐波超聲波電機具有驅動和控制電路簡單，轉速平穩，波動較小等突出優點。
  7. In this part, it is also found that the equivalent prismatic column, which is obtained based on the equal elastic critical load as the non - prismatic member, is not actually equivalent to the tapered column in inelastic stability, and the latter has higher load carrying capacity. finally, the behavior of tapered beam - column acted by combined axial load and transverse load has been investigated. a bending - thrust interaction curve is established which is similar to the ones for the design of prismatic members

    三是研究了楔形變截面懸臂構件在大端固定，小端同時承受橫向及軸向荷載共同作用下的強度和彎矩平面內的穩定，同時參考等截面構件的設計公式，得到了用大端截面來表示的軸力p與彎矩m的之間的相關關系。
  8. In which integrate compensator was introduced in slide mode controller of velocity loop for reducing torque chattering, and compound sliding controller was designed to avoid chatter in slide mode controller of position loop

    其中速度環通過增加積分環節來消除滑模控制的力矩抖動，位置環通過復合滑模拉制的設計來消除穩態滑模控制的抖振。
  9. Through the study with non - linearity friction on simulation model of the stabilized system, in theory the analysis of the angular acceleration loop ' s contribution is given. in testing platform, the measure devices of angular acceleration and velocity constitute the double loops, they are angular acceleration loop and angular velocity loop. and this experiment gives the proof that the angular acceleration loop could eliminate the errors which are taken by the motor ' s reversing

    最後，本文在理論上分析角加速度環對隔離度的貢獻；通過對含有非線性摩擦力矩的平臺穩定系統模擬模型的研究，從理論上驗證角加速度環具有克服摩擦力矩的能力；在實驗轉臺上加入由線加速度計構成的角加速度測量裝置，並與測速機構成角加速度環、角速度環雙環結構，驗證了角加速度環對電機換向誤差的消除作用。
  10. According to the actual situation and performance requirements, we found that how to bate the influence of friction in the system is the principal difficulty for us to improve stabilization accuracy

    根據本系統的實際工作情況和性能指標要求，通過分析指出：如何克服摩擦力矩的影響是本系統中提高穩定精度要重點解決的問題。
  11. The current loop technique improves the stabilization bed ability to reduce base disturbance direct drive constraint couple and enhances the torque sturdiness. the stabilization error is reduced with current loop technique under same base angular disturbance

    在轉臺穩定系統中使用電流環技術，提高了轉臺對直接帶動約束耦合的抑制能力，提高了系統的力矩剛度，在同等的擾動條件下，降低了穩定誤差。
  12. The article describes the shape of wind load on the radome surface and analyzes the internal force of the radome with nonmomental theory of shell, stresses and stability with theoretic formula, equivalent modulus of elasticity and thickness of a - sandwich - composite structure

    摘要針對雷達罩易受風荷載作用發生破壞的情況，本文從截球形雷達罩表面的風荷載分佈形態出發，採用無矩理論對雷達罩內力進行了分析計算，從理論上對模型進行了強度和穩定性分析，並著重闡述了a型復合材料夾芯結構的等效彈性模量和厚度的計算方法。
  13. In this paper a new method based on sa4828 is proposed and realize through dsp, in order to solve the shortcoming which use more hardware resouces, and the problem in precision and stabilization, which is produced spwm using hardware or software simplie, the experiment shows that this method not only use littler hardware resources but also improve the precision and the stabilization. the tradition pid control can not adapt the change of parameter over the control object, and it can not solve the conflict between dynamic index and the static index. this paper introduced the principle of real time operation systerm uc / os - ii firstly. then analyzed the works in porting to dsp, and give the method to resolve the problems to porting it

    此外，這些調節規律本身不能很好的解決系統的動態與穩態指標間的矛盾，也就是說採用傳統的pid難以組成諸如機器人那樣需要完成快速跟蹤、高精度力矩綜合控制的伺服系統。為了解決控制對象參數變化時傳統pid適應性差的問題，本設計採用變論域的模糊pid ，提高了精度、改善了其調節性能。本文主要作了如下的工作，並取得了成就：利用集成晶元ad2s80來求取空間角度，提高了精度，簡化了控制的復雜性。
  14. According to the actual situation and performance requirements, how to impair the influence of the disturb torque and the uncertainty of the system object model and how to improve stabilization and tracking accuracy are the principal difficulties in this paper. to solve these problems, a method by using mutative - plus and high - order compensation is brought forward and design by adopting h mixed sensitivity method in the velocity loop, then the weighting function selection is discussed, and the concrete selection principles are given in details

    根據本系統的實際工作情況和性能指標要求，通過分析指出，如何克服機（艦）載條件下干擾力矩的影響及系統對象模型的不確定性是本系統中提高穩定精度和跟蹤精度要重點解決的問題，針對這一問題，提出了在速率穩定環採用變增益的串聯高階校正設計控制器和利用h _混合靈敏度方法進行控制器設計的方法，詳細討論了加權函數選擇的問題。
  15. The minimun stable speed is given when the disturbances of the friction and the wave are considered. consequently, the compensation methods are worked out

    給出摩擦作用下的系統最低穩定速度限以及電機波動力矩作用下的系統速度誤差，由此定性得到了抑制摩擦和電機力矩波動干擾的措施。
  16. Whereas, vdsc operates on physical limits of large vehicle slip angle and lateral acceleration, and enhances vehicle lateral stability by utilizing the additional yaw moment produced by different adhesion forces acted on the right and left side wheels

    而vdsc系統主要在車輛大側向加速度、大側偏角的極限工況下工作，通常利用左、右兩側車輪附著力之差產生的橫擺力矩來達到穩定性控制目的。
  17. Through the analysis of attitude dynamic equation, how to realize three axis passivity stabilization of the mircrosatellite by just using environmental torque is presented. three sorts conformations of three axis passivity stabilization of the mircrosatellite by using environmental torque are put forward, one is to realize the passive attitude control of microsatellite by using the aerodynamic moment and the gravity gradient, the other two by making use of the gravity gradient and the geomagnetic moment, the attitude dynamics of microsatellite of the three sorts are analysed in detail

    通過對衛星姿態動力學方程分析，給出如何利用環境力矩實現微小衛星三軸姿態被動穩定，並提出三種利用環境力矩實現微小衛星三軸姿態被動穩定方案，即一種利用氣動力矩和重力梯度實現微小衛星三軸姿態被動穩定方案和兩種利用重力梯度和地磁力矩實現微小衛星三軸姿態被動穩定方案，對採用這三種方案的衛星的姿態運動進行詳細分國防科技大學研究生院學位論文析。
  18. Finally, the motion stability of the flexible deployable truss mentioned before was analyzed. according to the definition of motion stability, the simulation results under the conditions of different initial attitude angle velocities and pulse torque function indicate that the deployment motion of flexible truss under these initial distortions was steady. the drive angle velocity of deployment

    根據無擾運動的穩定性定義，通過對衛星在不同初始姿態角速度下及受到力矩脈沖作用下展開時衛星的姿態角速度的影響的比較，說明在這兩種初始擾動下桁架的展開運動的穩定性情況;對不同驅動角速度下桁架展開的模擬結果比較得到該桁架的失穩條件。
  19. Since railway is plunged into business, the wheelsets with two wheels fixed to two ends of one axle are commonly adopted in rail vehicle. the advantage of conventional fixed wheelsets is that they have self - steering capability produced by lognitudinal creep moments, however hunting unstability possibly occur when the speed of vehicle becomes higher, so independently rotating wheels are attached importance to increasingly

    自鐵路運營以來，鐵道機車車輛的輪對基本上都採用兩個車輪緊固在一根車軸兩端的形式，這種傳統固定輪對的優點在於它具有縱向蠕滑力產生的偏轉力矩從而使輪對具有自導向功能，但是在縱向蠕滑力矩的作用下，當車輛運行速度較高時就可能產生蛇行失穩。
  20. On the basis of application of machinery and power - generating product design, this paper analyzes and quantifies the theory of equilibrium and stability via analyzing the pictures of product, which is one of aesthetics standard method in design process. therefore, the theory of visual gravity and its calculating model are advanced. with applying the technology of detecting edges and gray histogram, the required image information cire picked up

    在機電產品造型設計應用的基礎上，論文從實際產品的照片分析入手，重點對設計應用到的美學法則? ?均衡與穩定理論，進行分析與量化研究，提出了有關機電產品設計的視覺重心理論與計算的框架模型；運用圖像處理中的邊緣檢測與灰度直方圖技術，提取操作需要的圖像信息；綜合產品的形態與色彩，分別結合視覺張力與力矩平衡理論提出了兩種演算法；建立了產品視覺重心計算的相關模型並在solidworks平臺上用vc + +編程實現。
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