A simple reduced-order method for dynamic model is proposed on the basis of the aggregation method.
基于大系统理论中的集结法，提出了一种简便的动力学模型降阶处理方法。
Duiqi excessive discretionary space to be reduced in order to prevent its abuse and the expansion method.
对其过大的裁量空间予以缩减，以防止其滥用和扩张法。
A singular perturbation method was applied to a model reduced order of a binary distillation column, and an aggregated model for designing a controller is deduced.
将奇异摄动方法应用于一个二元精馏塔的模型降阶，得到了一个用于控制器设计的集结简化模型。
This new method avoids the disadvantage of other traditional technique, and the characters of reduced order system with it are ideal.
这一方法的提出避免了传统方法的缺点，降阶系统达到了非常理想的性能。
A modal value analysis method is presented to obtain a reduced-order dynamic model with modal coordinates for structures with small damping or without damping.
针对小阻尼和无阻尼结构，提出了一种模态价值分析方法，用于在模态坐标下的动力学模型降阶问题。
Then the high order model was reduced by the modal aggregation method.
采用模态集结法对其高阶模型进行降阶。
Another advantage of the method is that the order of the reduced dynamic equations will not be controlled by degrees of freedom on interface, because there is not any interface between substructures.
此方法的另一个优点在于它是无界面的子结构，动力方程的缩减不受界面目由度的控制。
On the base, the design problem of order-reduced observers for nonlinear systems is presented and studied, the actual design is method is also given.
在此基础上，提出并研究了非线性系统降阶观测器的设计问题，给出了降阶观测器的具体设计方法。
When the order of dynamic differential equation is reduced, the size of matrices and equations of the proposed method are only half of that of the RPTSIM.
与更新精细积分法相比，在实现动力微分方程降阶后，矩阵尺度和方程个数减少一半；
A design method of nonlinear reduced order state observer is presented for feedback linearizable nonlinear systems, and the asymptotic convergence is proved for the proposed state observer.
对于一类可以反馈线性化的非线性系统，提出了一种非线性降维状态观测器设计方案，并证明了状态观测误差的渐近收敛性。
The possibility of the reduced order filtering method is illustrated by a simple example at the end.
文中举例说明了这一降阶滤波方法的可行性。
A new design method of nonlinear reduced order state observer is proposed, and the exponential convergence is proved for the proposed state observer.
提出一种非线性降维状态观测器设计方案，并从理论上证明了状态观测误差的指数收敛性。
For the Non-Newtonian fluid, Finite Element Method (FEM) is used to have an accurate description of the fluid flow details and this result can be used for further reduced-order modeling.
然后针对一类复杂的非牛顿流体，采用有限元方法对其建模分析，得到的结果可以为进一步的简化解析建模提供参考。
The reduced order modeling, which is in H2 norm criterion, is put forward, and the method to resolve it based on genetic algorithms is obtained.
提出了基于H2范数的系统降阶准则，并且利用遗传算法实现了基于该准则的系统降阶。
In this paper, the author presents a new design method for reduced-order observers.
提出了一种新的降维观测器的设计方法。
A new reduced-order robust filtering method for linear system is derived based on linear matrix inequation methods.
作为大系统鲁棒滤波研究，本文利用线性矩阵不等式得到了一个新的线性系统降阶鲁棒滤波算法。
The ASE system for a wing model is applied to reveal the mechanism of the method by comparing the full model with the reduced order model.
以机翼气动伺服弹性系统为对象，比较了降阶前后模型变化情况。
When the DOP ellipsoid sampling method is used the performance is evidently better, because the effect of high-order PMD on PMD compensation is reduced.
但采用偏振度椭球取样方法，其补偿的误码特性明显要优于单偏振度取样，从而补偿了高阶偏振模色散。
When the DOP ellipsoid sampling method is used the performance is evidently better, because the effect of high-order PMD on PMD compensation is reduced.
但采用偏振度椭球取样方法，其补偿的误码特性明显要优于单偏振度取样，从而补偿了高阶偏振模色散。
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