自轉力矩 的英文怎麼說
中文拼音 [zìzhuǎnlìjǔ]
自轉力矩
英文
autorotative moment- 自 : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
- 轉 : 轉構詞成分。
- 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
- 自轉 : revolve on its own axis; rotation; revolution; autorotation; windmilling; spin
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In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane
本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、以及深度調整和水平面導引方法等問題,具體成果和創新點如下1 、根據流體力學理論,建立了螺旋槳推進器的動態模型,它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀態變量,以電機施加轉矩為輸入,螺旋槳推力t和轉矩q為輸出。The torque motor received dc current signals from the electric control and applies torque to the single - piece armature and flapper which is supported on a torsion flexure
力矩馬達接收來自電氣控制器的直流電信號並將力矩施於由轉矩撓曲支撐的整體式電樞及擋板。 ?Lack of orthogonality between a suspension(or centering)axis and the spin axis will then result in a drift-producing torque exerted on the gimbal.
懸掛軸和自轉軸間的不垂直度將引起產生漂移作用在框架上的力矩。Being a sort of new principle micromotor in the fronitier of science. the ultrosonic motor ( usm ) is developed at recently twenty years. utilizing the stator surface particle elliptical motion excited by piezoceeramics, the usm is drived by friction force between the stator and rotor. compared with the conventional electromagnetic motor, the ultrasonic motor has the following features : high speed, high holding torque when power is off and so on. because of it ' s characteristics, the ultrasonic motor has obtained some widespread application in robots, precise instrument, house electronical appliance, sapceecraft automobile and micromechanism
超聲波電機( ultrasonicmotor )是近二十年來發展起來的一種新原理電機,其原理不同於傳統的電磁型電機,它是利用壓電陶瓷的逆壓電效應使定子的表面質點產生橢圓運動,通過定子和轉子之間的摩擦力驅動轉子運動。這種新型的電機與傳統電磁電機相比,具有響應快、不受電磁干擾、結構緊湊、低速、大扭矩、斷電自鎖等優點,因而在微型機械、機器人、精密儀器、家用電器、航天器、汽車等方面顯示出廣泛的應用前景。The experiment can obtain the driver and the torsion of the screw propeller of relative speed and is an important method to analyze the efficient part of push
船模自航試驗可獲得對應航速螺旋槳推力和轉矩,是分析各種推進效率成分的重要手段。Due to the moving base existence of the minehunting and the frame structure characteristic of the sonar array, a new modeling thought in which the boat body coordinates is regarded as moving coordinates and the whirligig equation of sonar array compared with the self coordinates is founded on the basis of the euler ' s theorem and the coordinate transform is introduced. the dynamic equations of minehunting sonar array with the state matrix form are founded by settling the dynamic models with the vector form. so it offers theory foundation for analyzing the dynamic characteristic and designing robust control
由於獵雷艇作為動基座的存在和聲納基陣的框架結構特點,提出了以艇體坐標系為運動坐標系,運用變形的歐拉定理和坐標變換建立聲納基陣相對自身坐標系的旋轉運動方程的建模思想;將所建立的矢量形式的動力學模型展開整理,獲得了狀態矩陣形式的獵雷聲納基陣動力學方程,為系統動力學模型的實用化奠定了基礎。This paper sets up a fuzzy optimum math - model of the prestressed degree for prestressing bundle disposition of prestressed concrete continuous beam bridges, which is transformed into a clear math program by - level cut - set. by the solution of the clear math program, a succession of reasonable prestressing moments can be obtained. then it is convenient to dispose the prestressing system by only taking account of geometric factors of all controlling sections. based on this, a theory of automatic disposition of the prestressing bundles is proposed and an engineering example is given to demonstrate it
建立預應力混凝土連續梁橋預應力度的模糊優化問題,按-水平截集解法,將模糊優化問題轉化為確定性的數學規劃問題.求得一較合理的消壓彎矩后,只需按控制截面的構造進行預應力體系設計.在此基礎上提出了配束自動化的基本思想,並以一實例說明其理論應用Abstract : this paper sets up a fuzzy optimum math - model of the prestressed degree for prestressing bundle disposition of prestressed concrete continuous beam bridges, which is transformed into a clear math program by - level cut - set. by the solution of the clear math program, a succession of reasonable prestressing moments can be obtained. then it is convenient to dispose the prestressing system by only taking account of geometric factors of all controlling sections. based on this, a theory of automatic disposition of the prestressing bundles is proposed and an engineering example is given to demonstrate it
文摘:建立預應力混凝土連續梁橋預應力度的模糊優化問題,按-水平截集解法,將模糊優化問題轉化為確定性的數學規劃問題.求得一較合理的消壓彎矩后,只需按控制截面的構造進行預應力體系設計.在此基礎上提出了配束自動化的基本思想,並以一實例說明其理論應用The content of this thesis comes from the fujian natural science found following research task 。 it studies on a space cantilever single beam attached to a moving support 。 inertia forces which are brought by the support ' s movement , are acceded to the equivalent initiative forces and the equivalent initiative moments 。 when we consider the relation of the forces and deformation , we change the method of material mechanical analysis to the elastic mechanical analysis 。 further more , we discusses the feasibility of the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body 。 first , the finite segment method is adopted to establish the models of the beam 。 based on kane ' s equations , dynamic math - model for the beam are derived 。 and by use of c - language and runge - kutta procedure , the computer - oriented procedure can give the whole responses of the beam 。 second , with compare to the numerical examples , the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body which is under the condition of movement is verified to be feasible 。
本論文為福建省自然科學基金后續研究課題,以已知支撐運動的單個空間懸臂梁為對象,在等效主動力與等效主動力矩中加入支撐轉動引起的慣性力,並在考慮力與變形關系時,用更一般的彈性力學分析代替材料力學分析,進一步研究用多剛體離散模型來模擬其動力學特性的可行性。首先,用有限段建立機械臂的多剛體離散模型,用kane動力學方法建立其動力學方程。並用c語言編制演算法程序,採用了四階runge - kutta積分程序求解微分方程組,給出構件的全部動態歷程。Promax tension ind corp has long sold and manufactured a variety of custo mized air shafts / air chucks / safety chucks, edge position control systems / epc, powder / air / disk brakes and clutches, ac / dc motor control systems, re - winding / un - winding systems, tension control systems, web inspection systems, automatic color register systems, servo - vector control systems, mmi interface and supervisory control and data acquisition ( scada ) systems and others such as slitting, winding, laminating, extruding, coating, and gravure printing machines, even other auxiliary devices etc. for webs such as paper, films, rubber, textiles and foils
本公司長久以來已經從事製造及銷售有關紙類,薄膜,膠片,紡織品,橡膠等薄片卷材的捲筒物控制糸統周邊設備,諸如氣漲軸,氣漲/安全夾頭,邊緣追蹤器裝置,磁粉/氣壓/碟式煞車器及離合器,交直流轉矩馬達控制系統,收放料車動系統,張力控制裝置,印刷機靜態觀測器,自動套色控制裝置,伺服向量控制系統,人機介面及監控系統及其他有關印刷,貼合,分條,復? ,塗布,上膠,押出,淋膜等產業機械This product family includes synchros, resolvers, tachogenerators, servo motors and torque motors, etc. these small, lightweight and high precision motors are mainly used in automatic control systems
有自整角機、旋轉變壓器、測速電機、伺服電機、力矩電機等。具有體積小、重量輕、精度高等特點,主要用於各種自動控制系統中。With limited disturbances considered, sliding mode control is used to design the controller, which ensures the sliding mode to be exponentially converged and the sliding manifold to be reached in limited time from any initial states. and an adaptive law is designed for the unknown inertia matrix
使用魯棒性較強的滑模控制方法設計了控制律:滑動模態是指數收斂的;在有界干擾力矩存在時,任意初始狀態都可以在有限的時間內收斂到滑動平面;對于轉動慣量未知的情形,設計了自適應律,趨近模態是漸近收斂的。From vibrating torque equations of shaker ' s exciting shafts, the self - synchronizing condition and synchronizing state stability condition of balanced elliptical shakers excited by two - shaft self - synchronizing are obtained
從振動篩偏心軸的振動力矩方程出發,導出了雙軸自同步平動橢圓振動篩的自同步條件和穩定運轉條件。In the motion, the direction of angular momentum vector changes every moment, because there is a torque caused by gravity act on the wheel, then the wheel rotate itself and rotate around the fixed point
車輪進動實驗:在進動中,角動量的矢量方向不斷改變,是因為受到一個由重力產生的力矩,使車輪在自轉的同時又繞支點轉動。We are also the sole agent of some european swiss, german, brisitsh and italian etc. well - known manufaturers, providing products such as robotics, linear motion units, positioning system, servo - control system and gearbox units etc. the machine tool dedicated dual - drive units, planetary gearboxes, worm gear units are featured with high input speed, compact size, light weight, different ratio options and high output torque
不但具有設計開發研製集成自動化控制系統計量測試控制系統的技術能力同時獨家代理瑞士德國英國義大利等歐洲知名品牌的機器人及直線運動單元定位系統伺服控制系統減速單元等機電產品。其中機床專用雙驅消隙減速機行星減速機,蝸輪蝸桿減速機等產品,有著高輸入轉速,體積小,重量輕,多種可選減速比,輸出力矩大等特點,已在全球眾多廠家成功應用。2, the single - phase electrical strict sense, the main winding of the magnetic field is generated directly to the pulse magnetic field rather than straight to rotary magnetic field is not a moment ; namely : supply of electrical equipment not own
2嚴格意義上的單相電機,其主繞組所產生的磁場是直來直去的脈動磁場而非旋轉磁場,是沒有啟動力矩的即:通電后電機不會自己轉動。However, by comparison with flap nozzle servo valve which has been used widely and popularly by now, the torque motor of jet pipe servo valve has a larger rotary inertia. this causes low natural frequency of servo valve, and thus the response speed of jet pipe servo valve is slow. moreover, the jet pipe of servo valve has large flexibility, and it is easy to excite oscillations and noise in the valve, which is named self - excited oscillations and noise
然而與目前普遍使用的噴嘴擋板伺服閥相比,射流管伺服閥的銜鐵組件轉動慣量大,導致力矩馬達部分固有頻率低,從而響應速度慢,此外,射流管供油管柔性大,容易產生自激現象,這些缺點都使得射流管伺服閥的動態特性差,從而影響了它的工作性能。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。The above work gives a quite complete and systematic analysis of the aam balance in a long time, including climatic and anomalous characteristics, and links the aam and its transportation, earth - atmosphere angular momentum exchange ( mountain torque and friction torque ) with lod and sst. the intimate link is confirmed between aam and lod, el nino
以上工作對一個較長時間內的大氣角動量平衡各個方面進行了較完整系統的分析,包括多年平均和異常特徵分析,並將角動量及其輸送、地氣系統角動量交換(摩擦和山脈力矩)與日長、尼諾三區海溫相聯系,證實了大氣角動量與地球自轉變化、厄爾尼諾事件間的密切聯系。Research of the bearing seat with enhanced force moment for self - rotation cleaning
自轉清洗工作力矩強化型軸承座的研製分享友人