線性振動系統 的英文怎麼說
中文拼音 [xiànxìngzhèndòngxìtǒng]
線性振動系統
英文
linear vibration system- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
- 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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The nonlinear electromagnetic force may cause the large oscillations of the rotor in some parameter regions. thus, the studies on the properties of the nonlinear dynamics and the stability for the rotor - ambs system play an important role in the engineering
非線性力的作用使轉子在某些參數域中產生相當大的振動,因此分析該類系統的非線性振動特性和穩定性一直是電磁軸承-轉子動力學研究的重要課題。The dynamic model of misaligned rotor - bearing system equipped with a flexible laminated membrane coupling was developed by using the method of lumped parameter in this dissertation, and the dynamic behavior, such as the nature characteristics, stability, steady state response of the system, etc. was analyzed based on the theory of linear vibration
本文根據集總參數法建立了膜片聯軸器耦合的不對中轉子?軸承系統的動力學模型。基於線性振動理論分析了系統的固有特性、穩定性和不平衡響應。Study on response computation of a vibration system with variable coefficient of sliding friction using equivalent linearization technique
非恆定滑動摩擦系數振動系統等效線性化計算方法研究Coordinate transformation, matrix, vectors, newton ' s law, conservation theorems, simple harmonic oscillator, non - linear oscillations, gravitation, euler ' s equation when auxiliany condition are imposed, the delta notation, lagrangian and hamilitonian dynamics, central - force motion, dynamics of a system o f particles, motion of noninertial reference frame, dynamics of rigid body, coupled oscillations, orthogonality of the eigenvectors, continuous system
座標變換、矩陣、向量、牛頓定律、守恆定律、簡諧振動、非線性振動、引力、尤拉式方程式及附加條件、符號、拉格蘭及漢米爾頓力學、中心運動、多粒子系統動力學、非慣性參考座標運動、剛體動力學、耦會振動、本微向量正交性、連續系統。As a result of the heightening of mechanical operation speed and the application of new materials and new structures, the nonlinear dynamic behavior in rotating machines is becoming increasingly outstanding and important. nonlinear dynamic phenomena in rotating machines cant be described, explained and predicted by rotordynamics based on linear system theory. along with the deepening and permeating of nonlinear scientific research, the nonlinear vibration of rotor systems has become an attractive field in recent years. from a point of view to set up the distinct corresponding relations between vibration states and failures of rotating machines, main advances in the research of rotor nonlinear vibration are summarized, and typical nonlinear dynamic phenomena and their forming mechanism are also summed up in the paper. the aim of the paper is to enrich the diagnostic knowledge base of rotating machines. 55refs
由於機械運轉速度的不斷提高和新型材料、新型結構的推廣應用,旋轉機械的非線性動力學行為日顯突出和重要.基於線性系統原理的轉子動力學理論與方法難以對實踐中出現的豐富的非線性動力學現象作出準確的描述、闡釋和預測.近年來,隨著非線性科學研究的深入和滲透,轉子系統非線性振動已成為應用力學和機械工程領域的研究熱點之一.從有利於建立旋轉機械振動狀態集與故障集之間的映射關系出發,綜述了近年來轉子系統非線性振動研究的主要進展,總結了轉子系統中出現的典型非線性動力現象及其產生機理,目的在於豐富旋轉機械故障診斷知識庫.參55In chapter 4, the bifurcation of the complex nonlinear oscillator of van der pol - duffing - mathieu ' s is studied and the common bifurcation property of the oscillator in the situations of nonresonance, principal resonance, ultraharmonic resonance and non - subharmonic resonance is revealed. the bifurcation of strongly nonlinear oscillator is also explored in this chapter
第四章對非線性振動中最常見的vanderpol - duffing - mathieu復合非線性振子的分岔性質進行了系統的研究,發現了該復合系統在非共振、主共振、超諧共振和非1 2階次諧共振情況下具有相同的分岔特性。In the analyses of nonlinear vibration, the stability of movement is important besides response calculation. it is equivalent to the problem that the movement can be applied or not
非線性振動分析中,除了響應求解是關鍵,其運動穩定性的分析也是重要的一步,它直接關繫到系統運動能否實現的問題。A mathematical model is developed to comprehensively describe and analysis the vibration of over - head transmission lines according to pertinent datum. based on the model , an optimum solution about the conductor - damper system is put forward to by means of the analysis of possible anti - vibration designs. a method of balance - energy is used to acquire the frequency - respondence features of the conductor - damper system under the function of breeze ; a cad software is presented and developed in terms of above approaches. the model applied in the thesis is comprehensible and considerate, and the results from the model are close to the data from experimental site. beside these, favourable interactive operational capability makes it possess more practical and economic value
通過分析有關資料,建立了普通檔距導線微風振動系統的防振數學模型,並在該數學模型的基礎上,對防振結果進行了優化分析,得到了防振系統的解,用能量平衡原理,得到系統在微風作用下的頻響特性;採用這種方法設計了普通檔距防振的計算機輔助分析軟體。所採用的分析方法對微風振動的影響因素考慮全面,所求結果與現場實驗觀測中的數據比較接近,且人機交互操作性能良好,有一定的工程實用價值Thirdly, we investigate the impact of the pull - in voltage on the nonlinear vibration detailedly, and get the relationship between the physical parameters and the pull - in voltage
然後詳細研究了系統的吸合電壓對非線性振動的影響,得到了物理參數與吸合電壓之間的關系。Then the experimental data was analyzed in time domain and frequency domain. thirdly the hilbert translation method was used to detect the nonlinearity of the system. at last the model of this kind of system was identified, the result show that the theory model is the same format as the experiment model
然後利用振動臺做掃頻試驗,對試驗數據在時域與頻域進行分析處理,利用hilbert變換檢測系統的非線性,分析系統的非線性特點,在此基礎上進行系統的模型識別,並將實驗建立的模型與理論模型進行比較。In this thesis, a multi - disk rotor supported by two plain journal bearings is used for the numerical and experimental studies. the one aim is to analyze the nonlinear dynamic characteristics of the rotor system under different varying parameters ; the methods of online elimination of the oil whip and subharmonic vibration are developed and studied also. besides the expression of the nonlinear oil film force is proposed, so that the unbalance of the nonlinear rotor system may be identified online
作者在總結了前人大量的有關非線性振動研究工作的基礎上,確立了本文的研究目標:一是以工程應用為背景,研究轉子-軸承系統由非線性油膜力引起的非線性振動特性以及各種影響因素,力圖通過對轉子-軸承系統非線性振動特性的分析,找到切實可行的在線消除油膜振蕩的辦法;二是研究非線性油膜力的表達方法式,使非線性轉子系統的不平衡量在線識別成為可能。First of all, the method of fredholm alternative is used to obtain the approximate solution of the first order for the bifurcating periodic solutions of a nonlinear system with delayed velocity feedback. the bifurcation direction and the stability of the bifurcating periodic solution are also determined
首先,用fredholm擇一方法分析了一具有時滯速度反饋的非線性振動系統的hopf分叉,得到了局部分叉周期解的近似表達式,確定了分叉解的分叉方向及穩定性。In this letter, we introduce the rule of the linear and non - linear movement of the single pendulum, and by using the jacobian elliptic function, we educe two categories of movement fuctions of the single pendulum, the results will be some referential improtance in studying the non - linear vibrational systems
摘要介紹了單擺的線性與非線性運動規律,並利用雅可比橢圓函數法導出了單擺作兩種運動的方程,對研究非線性振動的系統有一定參考價值。The linear periodic time - varying vibration system can be changed to a constant coefficient linear system by l tansformation
摘要線性周期時變齊次系統的狀態方程經李亞普諾夫變換后,周質系數線性時變振動系統轉化為一非齊次定常線性系統。In order to find out the speciality of the hysteretic system under random excitation, random responses and model parameters of hysteretic system were studied by the method of stochastic equivalent linearization and mento - carlo simulation
為了更好地了解在隨機激勵作用下遲滯阻尼振動系統的動力學特性,本文將隨機等價線性化法與monto - carlo法應用於遲滯阻尼振動系統隨機響應分析並對該系統的參數特性進行了初步的研究。In the theoretical analysis, first the dynamics model of the prepressing - contact spring - damping system was established by vibration theory. then the stability of the solution of this system was studied base on the qualitative theory of nonlinear vibration
在理論分析方面,首先根據振動理論建立預緊接觸式彈簧阻尼系統的力學模型,然後利用非線性振動的定性理論研究系統周期解的穩定性。For the single point suspending system, the double loops - pid control algorithm is given, the asymptotic stable range of the coupling system and vibration caused by the hopf bifurcation near the critical state and the nonlinearity of the system are researched first
針對一維單點問題,給出了雙環pid控制演算法,研究了單點懸浮控制系統的漸近穩定性、 hopf分岔點附近的振動特性和非線性振動的幅頻特性。The mento - carlo simulation was introduced to substitute the random vibration experiment. the random responses of hysteretic system gotten by the method of stochastic equivalent linearization were compared with mento - carlo simulations, and the feasibility of this method was exemplified by mento - carlo simulations
對于遲滯阻尼振動系統的非平穩響應,本文亦用monte - carlo法來代替隨機振動實驗進行了計算求解,並與隨機等價線性化方法進行了比較與分析,例證了等價線性化方法處理遲滯阻尼振動系統隨機響應的可行性。A state space model for parts of non - linear oscillation systems is put forward, and the concealed analytical solution for the systems is deduced. a numerical calculation method is presented and the calculation precision is improved greatly through using iterative method. finally the presented numerical method is extended to solve differential equations with complex stiffness matrix
導出了一類非線性振動系統的狀態空間模型,在此模型中給出了非線性振動系統的隱式解析解,提出了相應的數值計算方法,並利用迭代法有效地提高了計算精度,最後將該數值方法推廣應用到復剛度振動方程的數值求解計算中。On the existence of periodic solutions for nonlinear vibration system
非線性振動系統周期解的存在性分享友人