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equivalent linear system
相关语句
  等效线性系统
     The solution of the equivalent linear system is obtained by iteratively solving complex algebraic equations instead of the Lyapunov equations.
     对于滞迟等效线性系统 ,对每一步迭代不需要求解高阶李亚谱诺夫方程 ,而只须求解一个低阶复系数代数方程即可 ;
短句来源
     According to Harmonic equilibrium,the modal parameters are identified to form an equivalent linear system. In term of Duffing hypothesis,the nonlinear stiffness and damping coefficient are identified and the simulating examination is conducted as a multi-freedom nonlinear system.
     根据谐波平衡法原理 ,对各级等效线性系统进行模态参数辨识 ,进一步基于Duffing假设 ,对非线性刚度、阻尼系数进行了识别 ,并基于多自由度非线性系统理论进行了仿真检验。
短句来源
  “equivalent linear system”译为未确定词的双语例句
     Using the property of gaussian vector processes, the closed formulas of the coefficients of the equivalent linear system are obtained. The linear coefficients obtained are as simple as those of the Atalik and Utku method in mathematical form.
     利用高斯过程的性质,得到了等效线性系数的封闭公式,等效线性系数在数学形式上与 Atalik和 Utku法得到的结果一样简洁。
短句来源
     The nonlinear differential equation of X type nonlinear suspension system has been solved in this paper through the equivalent linear method, and the equivalent linear system was obtained. Then the characteristics of vibration isolation were analyzed by comparing with passive system while the corresponding regulating relationship between mass M and initial angle θ_0 was obtained when the natural frequency of the system was constant.
     本文采用等效线性化方法,求解X型非线性悬架系统的微分方程,给出线性化等价系统,然后,把此系统和一般弹簧、阻尼器构成的线性系统进行性能比较,分析此系统的隔振效果,同时求出当系统固有频率一定时,质量M和初始角θ_0的调节对应关系。
短句来源
     An equivalent linearization-transfer matrix iteration method is propo- sed,in which,the equivalent linearizing method advanced in reference [9] is adopted to replace the squeeze film damper with the linear component containing equivalent parameters,then the offset synchronous response of the equivalent linear system is computed by the Riccati transfer matrix me- thod.
     本文提出了一个利用等效线性化法,将非线性元件——挤压油膜阻尼器换为具有等效参数的线性元件,然后用 Riccati 传递矩阵法计算等效系统响应的迭代法。 方法简便易于掌握,程序少且易编排,所需算机容量和机时此子模态综合法明显节省。
短句来源
     The time-dependent equivalent linear system is considered.
     考虑了等效线性化系数的时变性;
短句来源
     A new design method for nonlinear flight control systems using feedback linearization with neural network is presented. Nonlinear dynamics systems are transformed into an equivalent linear system. Feedback linearization error is compensated by neural network which is capable of on line learning.
     结合反馈线性化和神经网络提出了一种新的飞行控制系统设计方法,通过反馈线性化将非线性耦合系统等效转换为线性解耦系统,利用具有在线学习能力的神经网络补偿反馈线性化的误差,建立了基于自适应神经网络的控制结构,并利用李亚普诺夫函数导出了网络权值的自适应调整规则。
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  equivalent linear system
A series of equivalent linear system parameters are identified in different time segments.
      
The analysis is based on the concept of equivalent-linear system.
      
If the equivalent linear system is unstable, then for the nonlinear model the instability is lowered to a bound limit cycle oscillation.
      


By following the equivalent linear system model[1], general expressions of autocorrelation functions and power spectrums of complex codes have been derived. The complex codes are formed by N-times clock codes which are digitally modulated by PN codes. This method is applicable both to odd and even multiple numbers of clock code frequency. By way of illustratrating the method, a particular kind of complex codes is given.

本文根据等效线性系统模型法,推导出了伪码对N倍钟码进行数字调制后,所得复合码的自相关函数和功率谱的一般表达式。这个方法对奇数倍钟码或偶数倍钟码均适用。文中举出了一种特定复码作为这种方法的说明。

An equivalent linearization method for obtaining the response of nonlinear multi-degree-of-freedom dynamic systems to nonstationary gaussian excitation with nonzero mean is presented. Using the property of gaussian vector processes, the closed formulas of the coefficients of the equivalent linear system are obtained. The linear coefficients obtained are as simple as those of the Atalik and Utku method in mathematical form. A method to treat stochastic dynamic equation of complicated structure by...

An equivalent linearization method for obtaining the response of nonlinear multi-degree-of-freedom dynamic systems to nonstationary gaussian excitation with nonzero mean is presented. Using the property of gaussian vector processes, the closed formulas of the coefficients of the equivalent linear system are obtained. The linear coefficients obtained are as simple as those of the Atalik and Utku method in mathematical form. A method to treat stochastic dynamic equation of complicated structure by means of modal truncation method and to compute response statistics of dynamic system in the time domain is presented. One numerical method to compute mean and covariance equations of stochastic dynamic system is presented.

本文提出了一种在非零均值非平稳高斯激励下获得非线性多自由度系统响应的等效线性化方法。利用高斯过程的性质,得到了等效线性系数的封闭公式,等效线性系数在数学形式上与 Atalik和 Utku法得到的结果一样简洁。本文提出了用模态截断法处理复杂结构的随机振动方程、及时域上计算系统随机响应的方法。提出了求解随机振动系统 均值和方差方程的计算方法。

This paper by using differential geometry to study the linear equivalencea large category of multivariable nonlinear systems,presents a kind oftransformation of base coordinates,so that a linear system can be achievedwhich is equivalentto a given nonlinear system in input-output charictevistics.Thesufficient and necessary conditions and algorithm of the equivalent.Transformationare also studied and described in detail.The equivalent linear system assumesa controllable canonical form in which the elements...

This paper by using differential geometry to study the linear equivalencea large category of multivariable nonlinear systems,presents a kind oftransformation of base coordinates,so that a linear system can be achievedwhich is equivalentto a given nonlinear system in input-output charictevistics.Thesufficient and necessary conditions and algorithm of the equivalent.Transformationare also studied and described in detail.The equivalent linear system assumesa controllable canonical form in which the elements can be set arbitrarily.As aresult of that,we can use the linear control theories such as pole placement andoptimal control to achieve the desired charicteristics of a given nonlinear system,which provides a useful method for the design of a nonlinear control systm.Finally,an example of the application of this method is given.By simulatingthe exampleon a computer,the feasibility of the method is verified withsatisfactory results.

采用对系统的基底坐标变换后,可以使一个非线性系统在输入输出特性上与线性系统等价。文中给出了这种等价变换的条件、计算方法和步骤。等价的线性系统采用可控标准型,并引入可任意配置的系数。这样,就可以利用线性系统的理论对系统进行极点配置得到所期望的特性,为非线性控制系统的设计提供了一种新的方法。作者最后对某种非线性控制系统,用上述方法进行设计,并用仿真结果验证了这种方法的可行性。

 
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