查询词典 oscillation method

In this paper, the method of singular Lyapunov function is used to study singular nonlinear systems , the sufficient conditions about its asymptotic stability and the harmonic oscillation theorm for it are given.

本文运用广义李雅普诺夫函数方法研究了一类广义非线性系统，给出了其渐近稳定的判别条件，对相应的周期系统给出了其平稳振荡定理。

It is proved from the results that homotopic method can be used for analyzing the SST anomaly in the equatorial eastern Pacific and the thermocline depth anomaly of the atmosphere-ocean oscillation for ENSO model.

从得到的结果看出，同伦映射方法能够用于分析ENSO模型在赤道东太平洋中的SST异常和气-海振荡的温跃层深度异常。

The averaging method is used to analyze this model,the phase diagrams and the time history curve of this system are achieved,the results show that its movement converges to a limit circle oscillation.

利用平均法对系统进行了近似求解，得到了系统的运动相图及时间历程曲线，结果表明系统运动收敛于稳定的极限环，所得结果与实验吻合得较好。

A pilot vehicle system mathematical model containing nonlinear control elements of the flight control system is established by the describing function method; the limit cycle of PVS is determined; the relation between the limit cycle and pilot induced oscillation and the influence of nonlinear control elements on PIO are explored.

采用描述函数法建立了含有非线性控制系统的人机系统数学模型，确定了系统的极限特性，探讨了极限环与驾驶员诱发振荡之间关系和操纵系统非线性因素对PIO影响等。

The theoretical analysis and simulation results show that, based on the differential geometry of the chaotic controller not only can eliminate the chaotic oscillation, but also be able to control the system to any given orbit, the effect was better than the traditional method of linear approximation.

分析和仿真结果显示，基于微分几何方法设计的控制器，不仅能够消除混沌振荡，而且能够把系统控制到任意给定轨道上，控制效果明显优于传统近似线性化方法。

The ALE(Arbitrary Lagrange-Euler)boundary element method is used for dealing with nonlinear sloshing problem(nonlinear oscillations of a liquid in a container subjected to forced oscillation).

摘 要 利用ALE(任意的Lagrange-Euler)边界元方法数值求解了具有自由液面的非线性晃动问题，即受外力激励下流体的非线性振动问题。

A new fuzzy logic based hybrid on-line minimum input power search control strategy is proposed. The gains derivative method of this strategy utilizes the research results of loss model control to do on-line scaling factor calculation. The asymmetric shape design of membership functions can make the control system converge fast with avoiding the oscillation around the optimal flux.

基于损耗模型控制的研究成果以及在线搜索控制的研究成果，提出了一种新型混合在线式直流最小功率模糊搜索效率优化控制算法，算法对模糊集合所作的不对称隶属度函数设计，解决了系统在效率最优点处的振荡问题。

We offer a new method on studying the oscillation of higher order dynamic equation on time scales. And the results generalize the theory of continuous and discrete dynamic equation.

该文所用方法为研究时间模上高阶动力学方程的振动性提供了新的方法，且所得结果也统一和推广了连续和离散的动力学系统的理论。

Experimental results show that the power spectrum of the random oscillation function follows a power law, thus the Weiersterass-Mandelbrot function is introduced and the method and procedure of simulation for the ground motion produced by explosions are presented.

根据随机振荡函数功率谱满足指数关系的实验结果，引入Weiersterass-Mandelbrot函数，给出了爆炸所致地面运动的仿真方法和过程。

An adaptive control method for chaos oscillation in power system is put forward in this paper.

提出了电力系统混沌振荡自适应控制的一种方法。

I hope that this success is just the first in a long series.

我希望这只是成功的开始。

Three dimensional stresses on the interface of tire and soil, tire deflection and soil sinkage are measured.

测试轮胎——沙土界面上的三向应力、轮胎变形和沙土沉陷；建立考虑剪切应力对沙土承载特性产生影响的车轮牵引性能预测模型；分析车轮作用下土壤的纵向稳定性。