限制力矩 的英文怎麼說
中文拼音 [xiànzhìlìjǔ]
限制力矩
英文
restraining moment- 限 : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
- 制 : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
- 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
- 限制 : place [impose] restrictions on [to]; astrict; restrict; limit; confine; shut down on [upon]: 限制...
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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。Implementation of a load moment limiter for crawler crane
履帶式起重機力矩限制器的實現Plc has been use on huge engineering machine such as gate crane, gyre crane etc., but the moment limiter configures in addition. whereas considering implement the function of moment limiter by plc, that can reduce the cost of crane
鑒於此,本文作者考慮將力矩限制器的功能通過plc來實現,以充分利用plc的強大功能和高可靠性,同時也降低了起重機的製造成本。The adjustment of the torque limiter of tower crane
塔式起重機力矩限制器的調試方法Jib type cranes - load moment limiters - general technical requirements
起重力矩限制器通用技術條件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。This dissertation mainly investigates some robust control strategies of the electromechanical actuator which is supposed to be activated by the sinusoidal permanent magnet synchronous motor ( pmsm ) and limited angle torque motor ( latm )
本文主要研究了基於正弦波永磁同步電機( pmsm )及有限轉角力矩電機( latm )驅動的電動舵機的魯棒控制策略。So. the low speed jitter problem has been the central task in the servo system research. the improvement of the working precision at low speed is hindered by the disturbances of the friction moment and the motor torque wave, while the decrease of the disturbances is restricted by the making technology. for the reason, the research of the low speed properties and corresponding compensation methods means a lot for the optoelectronic tracking system
轉臺伺服系統低速工作精度主要受到以摩擦力矩、電機波動力矩為主的擾動力矩的影響,而摩擦力矩、電機波動力矩的減小又受到轉臺製造工藝水平的限制,所以,轉臺伺服系統的低速特性以及抖動補償研究,對結構簡單、性能優良的精密光電跟蹤系統的研製,具有相當重要的意義。This paper presents the displacement solution to mine elevator viscoelastic vibrating equations and the kinetic tension calculation method, discusses kinetic tension characteristics under rectangular, ladder shaped, sinusoidal and parabolic acceleration curves, provides ways to limit or even avoid lifting rope viscoelastic vibration
摘要給出了礦井提升機粘彈性振動方程的位移解及動張力的計算方法,研究了採用矩形、梯形、正弦形、拋物線形加速度時銅線繩的動張力特性,給出了限制和消除提升鋼絲繩粘彈性振動的方法。Yl series single phase two value capacitor induction motor is designed and manufactured in accordance with state standards, with outstanding performance of starting and operation, low noise, compact dimensions, light weight, easy maintenance, etc. these motors are widely used in air compressors
Yl系列單相電容起動電動機符合iec標準,適用於要求起動轉矩大且對起動電流小電力供應受限制的地域,可廣泛應用於水泵空氣壓縮機農業建築業製造業。The hybrid genetic algorithms are employed to get the better optimization control law, and the problem of limited torque is solved by individual representation operation
為了獲得最優擺起控制序列,採用混合遺傳演算法進行優化計算,通過編碼操作解決控制力矩受限問題。It is indicated that, when a two - speed motor is used for driving oil transfer pump, the motor with the characteristic of torque reduction on square rotary speed should be chosen ; the working economy of the variable speed pump is restricted by the characteristic curves of pipeline resistance, and its speed control range is restricted by the pipeline resistance characteristic curve, the pressure head needed by the system and the working characteristic of the pump ; when several pumps work in parallel, the pump with better performance should be changed into speed - variable pump
指出雙速電動機用於輸油泵的調速時,應選用轉矩按轉速平方降低特性的電動機;調速泵的運行經濟性受到管路阻力特性曲線的限制,其調速范圍受到管路阻力特性曲線、系統所需揚程和泵運行特性的限制;在母管制系統中把部分定速泵改為調速泵時,應將性能較高的定速泵改為調速泵。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
摘要針對某永磁同步電動機位置伺服系統負載力矩和轉動慣量變化大、干擾力矩強的特點,以及統一滑模變結構控制速度限幅的難題,提出並設計了串級復合滑模變結構拉制器。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。In order to satisfy the customer ’ s more strict command to the inertia brake, changsha sanzhan inertia brake co., ltd. and hunan university allied to develop a set of equipment of inertia brake test rigs, which can test and research the property of starting torque, braking torque, vibration of axis and so on to all kinds of models and specification of inertia brake to improve the property and quality of product
為了滿足用戶對慣性制動器產品提出的更高要求,長沙三占慣性制動有限公司和湖南大學合作開發一套慣性制動器試驗臺裝置,對各種型號及規格的慣性制動器的起動力矩、制動力矩、軸向振動等特性進行測試和研究,以改進產品性能和提高產品質量。Power - assist clutch amplifies torque for positive clutch engagement and acts as a back - torque limiter for smooth downshifts
帶助力裝置的離合器起到了增強扭矩的作用,充分保證了離合器咬合效果,降檔時的感覺象有一個扭力回轉的限制器。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。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。The analysis results and suggestions have been adopted in the structural design. from above analysis, the thesis gets conclusions as following : ( 1 ) total shearing forces under earthquake action in stories under transfer story increase as position of transition story elevated, which is the negative impact resulted from higher position of transfer story and the regulations of position of transfer story in code is reasonable
本文的分析結果及建議已用於該工程的結構設計中,對于轉換層位置及形式對復雜高層建築結構地震反應的影響問題,主要得出以下一般性結論:地震作用下,轉換層下部樓層的層總地震剪力和彎矩隨轉換層位置的增高有所增大,這是轉換層位置較高帶來的不利影響,規范對轉換層位置進行限制是適當的。Such limit is not due to the method itself, but is due to the limits of the speed and memory of computers. at present, we mainly use the high - frequency approximate method to analyze the electrical - large size target whose shape is relatively regular
矩量法不適于分析電大尺寸的物體,這種限制不是由於方法本身,而是碩士學位論文凡1入ster 』 5th卜515由於計算機速度與存儲能力的限制。目前主要採用高頻近似方法來研究電尺寸較大而形狀相對規則的目標。分享友人