無阻尼的 的英文怎麼說
中文拼音 [wúzǔníde]
無阻尼的
英文
undamped-
Various aerodynamic devices, as well as passive dampers and serve dampers, are available.
各種空氣動力裝置以及無源阻尼器和伺服阻尼器是可用的。Aerodynamic undamping phenomena of structure oscillating in inviscid flow
無黏流場中結構振動的氣動非阻尼現象The use of the free undamped normal modes is seen to ensure that the linear and angular momenta of the distortional motion vanish.
看來採用自由無阻尼正規模態可保證變形運動的線動量和角動量為零。On the construct design of a fixed - fixed undamped mass - spring system under the sum of mass of system restriction
固定型無阻尼彈簧質點系統的質量約束問題Methods for calibration of vibration and shock pick - ups - resonance frequency testing of undamped accelerometers on a steel block
安裝在鋼塊上的無阻尼加速度計共振頻率測試Calibration of vibration and shock pick - ups - method of test for resonance frequency of undamped accelerometers on a steel block
振動和沖擊傳感器的校準.鋼鑄錠無阻尼加速度計共振頻率的試驗方法Methods for calibration of vibration and shock pick - ups. resonance frequency testing of undamped accelerometers on a steel block
振動與沖擊傳感器的校準方法安裝在鋼塊上的無阻尼加速度計共振頻率測試Keeping the self - adjusting of damping behavior when the controllability of semi - active damping is disable, or saving the unnecessary energy when the continuous modulation of damping is not needed, the composite structure for self - shifting between passive and semi - active structure is presented
摘要當磁流變減振器半主動功能失效時，為保持其阻尼性能仍具一定的自調節性或實際路況不需無級調節時，節省不必要的能耗，提出用於車輛半主動懸掛系統的被動與半主動功能自動切換的復合結構磁流變減振器。While adopts bang - bang control to realize semi - active control of vehicle suspension system equipped with electrorheologic damper, the coulomb damping force of electrorheologic damper is fixed, as the bang - bang control is two - value control actually. the bang - bang control cannot make full use of performances of the electrorheologic fluids
由於開關控制是一種二值控制，採用開關控制策略實現對電流變液阻尼器半主動控制懸架系統的控制時，電流變液阻尼器輸出的庫侖阻尼力無法連續變化，不能充分發揮電流變液的特性。During the simulation of the secondary lateral suspensions for the high speed passenger vehicle with no - bolster bogie, the effective using semi - active control to improve the ride comfort are studied
通過對採用無搖枕轉向架的高速客車懸掛系統橫向模型的模擬實驗，研究了半主動阻尼控制改善車輛運行平穩性的有效性。Among hese method, one of the simplest is the deepest gradient descent algorithm, but it has one disadvantage that the solutions are oscillatory and slowly convergent. a friction term is ntroduced to avoid oscillatory solutions and raise convergence rate. the third major contribution of this dissertation is study on 3 - d diffuse object surface optical automatic measurement
其次，結合要處理的具體問題，介紹數值優化及幾種常用的無約束最優化計算方法，以最優梯度法為基礎，討論其演算法的優缺點，通過引進阻尼系數，改進了演算法的收斂速度，從而提高迭代精度。Choosing of parameter for damped reducer is then presented, and its nature is compared. the best effective reducer is chosen based on actual condition. at last, one suffered harmonic load steel beam is applied by high damping spring tmd to reduce vibration, and experiment results indicate that tmd with high damping spring performs better
接著提出了阻尼吸振器新的參數選擇方法，對無阻尼吸振器和阻尼吸振器的性能進行了比較，根據具體情況，選擇吸振效果最佳的吸振器類型。Theoretically the absence of damping results in an infinite response at resonance.
在理論上，無阻尼時將引起無盡的諧振響應。The damped solutions are very complicated. there are unoscillatory damped solutions and oscillatory damped solutions. the damped solutions are almost strongly damped, particularly in the degenerated situation
而阻尼解一般都較復雜，即存在無振蕩阻尼解，也存在振蕩阻尼解，阻尼解幾乎都是強阻尼的。We test two work states in the experiment. the results prove that the math model come true in the software system
在慣導系統的對接聯調實驗中，本系統軟體完成了無阻尼工作狀態和水平阻尼工作狀態的測試，實驗結果表明軟體實現了數學模型的功能。Express the differences of displacement variation of a mass subjected by a free damped vibration and a forced vibration, separately
分別敘述一質量受到無阻尼的振動與強制振動時位移變化的不同。The paper expounds on the following aspects. firstly, on the basis of analysis of current techniques for measuring plant water potential and with the dynamic characteristics of vapor diffusion in consideration, the relationship between the transient process of humidity at the position of the sensor and the water potential of the plant sample is studied in depth, and the corresponding testing apparatus for the on - line non - invasive automatic monitoring of plant water potential is designed
在仔細分析現有植物水勢測量技術原理及優缺點和所開發的植物水勢測量儀的基礎上，考慮植物水分擴散的動態特性，研究樣品水分無阻尼自然擴散，其上方空氣的暫態過程與水勢的關系，設計了研究植物水勢在線無創傷自動監測技術的試驗裝置。After analyzing state - of - the - art of active and semi - active structural control in the world, the dissertation focus on semi - active structural control based on the magneto - rheological dampers. and a semi - active control method is put forward, which is based on lq ( linear quadratic ) optimum control theory, and imitates the optimum active - control force with bound value to control the structural response. then two structural models " simulation is conducted to compare the effectiveness and usefulness of the semi - active control with the passive control, and present the normed criteria to analysis the results
首先分析了mr可控阻尼機理，及mr阻尼器的兩種力學模型；然後根據最優控制理論中的二次型問題，提出採用限值擬合連續最優主動控制力的半主動控制策略，並以此控制方法針對半主動控制的強非線性控制問題，對兩種結構模型進行了模擬計算，並將半主動控制下的結構響應與採用摩擦型阻尼的被動控制結構及無控結構進行了詳細的比較分析，對計算結果提出採用范數指標進行補充評價的綜合評價方法；通過三種控制狀態下的模擬計算驗證了結構半主動控制的有效性與實用性。Detailed numerical studies are presented for the transitional dynamics of the steady - state motions of those systems with the variation of the excitation and the system parameters, with the illustrations given for rich nonlinear phenomena, such as the bifurcations of periodic vibro - impact motions and the chaotic vibro - impact motions. in chapter 5, the existence of the periodic vibro - impacts, as well as the corresponding stability is analyzed for an oblique - impact vibrating system composed of a spring - pendulum and an oscillator. when the system damping and the tangential friction
結果表明，在無阻尼、無摩擦的簡化情況下，周期斜碰撞振動運動具有嚴格的存在條件，並隨激勵參數的變化出現復雜的分叉和穩定性的反復切換；運動阻尼可在較大參數范圍內對非穩定運斜碰撞振動系統動力學研究（ 5 ） （ 6 ）動鎮定;相對而言，切向摩擦對系統穩態特徵的影響不大。The traditional no - damp equation of a engine - mount system was modified with consideration of gyro effect
摘要應用陀螺力學理論，對傳統動力總成懸置系統的無阻尼動力學方程進行修正，引入陀螺矩陣，得到新的動力學方程。分享友人