慣性矩系數 的英文怎麼說
中文拼音 [guànxìngjǔxìshǔ]
慣性矩系數
英文
coefficient of moment of inertia- 慣 : Ⅰ動詞1 (習以為常 積久成性; 習慣) be used to; be in the habit of 2 (縱容; 放任) spoil; indulge...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 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
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 數 : 數副詞(屢次) frequently; repeatedly
- 慣性 : [力學] inertia; inertance; sluggishness; the force of inertia
- 系數 : [數學] coefficient; ratio; modulus; quotient; factor
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A method is provided to measure the friction parameters of the bed. the maximum friction torque, coulomb friction torque, viscous friction coefficient and moment of inertia can be gotten by fitting the free reduced rate curve of the gimbals and measuring the motor current when the motor begins to rotate
提出了一種測量轉臺摩擦特性的方法,通過對轉臺在無外推力作用下的速度衰減曲線的擬合以及電機啟動過程電流和轉速的測量,可以得到最大靜摩擦力矩、庫侖摩擦力矩、粘滯摩擦系數及轉動慣量。As a result of the simplified torsion moment of inertia, integral stability coefficients based on the gb50017 code increase relatively 5 % or 0. 01 ~ 0. 04 absolutely, only for hn behind hn400 150, whose calculation length goes beyond the limit of 8 meters, taking account of any load condition and any yield - point
Gb50017梁的整體穩定系數公式的誤差是由扭轉慣性矩的簡化造成。任何荷載情況和鋼號,規格大於hn400 150的hn型鋼,當計算長度大於8米時,整體穩定系數偏高約5 ,絕對偏高量在0 . 01 0 . 04范圍。Aiming at the uncertainty brought by the rotating inertia and motor torque coefficient during the field weakening process, the mixed sensitivity robust controller based on inner mode principle is designed
在此基礎上,針對實際直流電機速度控制系統弱磁調速過程中存在的電機轉矩系數變化和轉動慣量等因素引起的參數不確定性特性,應用內模原理,設計了混合靈敏度魯棒控制器。Based on analysis and comparison of existing test data applied to existing ultimate strength prediction models, interfacial stress at the end of plate is deduced. after formulas for calculating the effective moment of inertia for frp - strengthened beams being revised and adjustment coefficient related to nominal main steel reinforcement ratio and curtailment length ratio being put forward, strength prediction formulas of compound beams under plate end debonding failure are established. in analysis of strength of compound beams under intermediate crack induced interfacial debonding failure mode, several bond strengths and their relation are introduced
對于板端剝離破壞,在總結現有承載力模型的基礎上,利用已有試驗數據對各承載力計算公式進行了分析比較,進一步採用分階段分析法,推導了板端界面應力的計算公式,在此基礎上,採用加固復合梁有效慣性矩的修正公式,建立了考慮名義配筋率和板端偏移比影響的板端剝離破壞梁承載力的計算公式;對于跨中受彎裂縫導致的粘結破壞,闡述了常見的幾種粘結強度之間的區別和聯系,並基於拉剪粘結強度,提出了跨中受彎裂縫導致粘結破壞的承載力計算公式,並利用現有試驗結果確定了模型中的一些參數;最後,利用試驗數據對本文建立的兩種粘結破壞承載力計算公式進行了檢驗,結果基本吻合。The major work is as follows : 1 ) based on dry hull modal analysis of flexure - torsion coupling vibration of unsymmetrical ship structures about longitudinal centerline, a transfer matrix method to calculate the dynamic characteristics is adopted after the parameters of structures are specified. taken both shear effect and warping deformations into account, the point and field transfer matrices are derived, and the influence on dynamic characteristics is computed according to different damaged positions and areas
其主要內容如下: 1 )通過薄壁梁理論求得結構參數后,採用遷移矩陣法,在考慮剪切效應、轉動慣量和翹曲影響下,推導出求解破損船體結構的動態特性公式系統的場遷移矩陣和點遷移矩陣,並著重分析了船體不同破損程度和翹曲變形對船體振動的動態特性的影響。This paper bring out design method of inverse eigenvalue problem, which adapts to general structures with linear parameters, namely coefficients of all or partial elastic component and inertial component are treated as design parameters, for given some order natural frequency and corresponding vibrating mode, all of useable designing parameters will be got through solving a linear system of equations, thereby stiffness matrix and mass matrix of actual structure are constructed. this paper also discusses existence condition and unique of results
提出了適用於具有線性參數的一般結構的逆特徵值問題的設計方法,即以系統的全部或部分的彈性元件與慣性元件的系數為設計參數,對于預先給定的若干階固有頻率及相應振型,通過求解一線性方程組即可確定全部實際可行的設計變量,從而構造出實際結構的剛度矩陣和質量矩陣,並論證了解的存在性與唯一性。This paper is on study on data sampling and processing techno1ogy of gyroscope in sins. the project of torpedo sins was demonstrated and put forward at first
本論文圍繞著捷聯慣性導航系統中陀螺儀的數據採集及處理技術和姿態矩陣解算進行了研究。Through establishing three mathematics models including the movement equation of the mechanical and electrical transmission system, the control of the load and the sliding in stable status, direct - current - brake of ac motor, this paper ascertained the range of the frequency value of drive motor and the efficiency of transmission system, calculated the efficiency of load motor in stable status and the moment of load motor in braking. this paper completed the design of the mechanical part of inertia brake test platform and provides a tool for the measurement of the inertia brake parameters
本文還通過建立慣性制動器試驗臺的包括機電傳動系統的運動方程、穩態運行時負載與轉差率控制、交流電動機直流制動在內的三個數學模型,確定驅動電機的頻率取值范圍和傳動系統的傳動效率,驗算慣性制動器穩態運行時負載電機軸功率和慣性制動器制動時負載電機軸力矩,完成慣性制動器試驗臺設計中的機械部分,為慣性制動器各參數的測量提供工具。A new robust adaptive scheme which are used for tracking of this robot with parametric and bounded external uncertainties is proposed in this thesis. the controller is consist of a controller which is proposed by slotine1 ' 1 and nonlinear continued feedback compensation part. by estimating the unknown physical parameters of robot on - line, it can eliminate the effects result by parameters and external disturbances and guarantee gas and uniform boundedness of parametric estimation. the only information required in setting up the strategy is the output states of jionts, while the inversion of the inertia matrix or estimation the bound of the inertia matrix and measure the jionts accelerations are not needed. it is shown by simulations that the proposed control scheme has quicker convergence velocity and better control precision than paper [ 1 ] and control schemes at present
針對該模型具有參數及有界外部擾動不確定性時提出了一種新的魯棒自適應控制策略,控制器由基於slotine的控制器和非線性連續反饋補償控制器構成。通過在線估計機器人的未知物理參數,有效的消除了由參數及外部擾動所引起的不確定性影響,保證系統達到漸近穩定和參數估計一致有界。與現存的許多控制方法相比,該控制策略不需求解慣性矩陣的逆或估計慣性矩陣的界,不需測量關節加速度,而唯一需要了解的只是系統輸出的位置及速度狀態。Taking account of the simplified torsion moment of inertia, integral stability coefficient increase relatively 5 % or 0. 01 ~ 0. 03 absolutely, only for narrow rolled h - section ( hn ) behind hn350 175, whose calculation length goes beyond the limit of 8 meters
Gb50017中扭轉慣性矩的簡化使規格大於hn350 175的hn型鋼,在計算長度大於8米時,整體穩定系數偏高5 ,絕對偏大量在0 . 01 0 . 03范圍。In the system of “ direct measurement ” of inertia brake, the braking torque is measured by the right torque sensor of inertia brake. in the thought of special construct of inertia brake, the work braking test data of inertia brake is analyzed, mathematic differential equation is founded, the variable situation of braking torque is analyzed through program calculation, some problem is discovered and suggestion is put forward to the application of test rigs and inertia brake
在慣性制動器的「直接測量」系統中,用慣性制動器右端的扭矩傳感器來測量制動力矩的,考慮到慣性制動器特有的結構,對慣性制動器工作制動試驗數據進行分析,建立了數學微分方程,通過編程計算分析了制動力矩的變化情況,發現了問題並對試驗臺和慣性制動器的應用提出了改進建議。The attitude updating algorithms were investigated systematically in this paper. on the basis of the quaternion algorithm the coning compensation algorithms and the improved coning compensation algorithms the attitude updating algorithms were deduced when the gyro outputs are angular velocity. existing updating algorithms analyzed the accuracy of the algorithm, i. e
本文對捷聯慣性導航系統捷聯矩陣的更新演算法進行了系統的研究,詳細地分析了四元數法、圓錐補償演算法、及在此基礎上發展起來的利用前一時刻陀螺儀輸出的改進圓錐補償演算法。分享友人