Particle swarm optimization based degree reduction of rational Bézier curves;
基于微粒群算法的有理Bzier曲线降阶
In this paper we propose a new cubic B-spline skeleton convolution surface modeling method based on curve degree reduction.
提出一种基于B样条曲线降阶的三次B样条曲线骨架卷积曲面造型方法。
The boundary of interval Ball curves of degree n is discussed and two algorithms for the degree reduction of interval Ball curves are given by means of linear programming and best approximation respectively.
讨论了n次区间Ball曲线的边界的构成;同时通过讨论区间多项式的降阶,利用线性规划法及最佳一致逼近法,给出了区间Ball曲线的的降阶算法。
To reduce the calculating load of onboard computer in guidance munitions, a reduced order Kalman Filter based on velocity and position integrated mode is presented.
为降低对航空制导炸弹弹载计算机的要求,文中设计了一种速度、位置交替组合模式的9阶GPS/IMU组合导航降阶卡尔曼滤波器。
This paper expounds the problem on eigenvalue reduced order for flexible umltibody system model, and derives the eigenvalue modal reduced order oriterion and calculation steps based on Riccati iteration algorithm in accordance with attitude dynamics of flexible spacecraft system.
详细研究了多柔体系统动力学模型的特征值降阶问题 ,针对挠性空间飞行器系统的姿态动力学方程 ,推导出基于Riccati迭代算法的特征值模态截断准则和计算步骤。
The accuracy of the linerized reduced order of induction motors as applied to dynamical stability study is investigated.
介绍了异步电动机全阶数学模型的线性化和降阶的原理，并探讨了降阶模型的准确性问题。
Special mode order reduction based on probabilistic condition
基于概率条件的特定模式降阶研究
Maximum wind energy capture control with order reduction model of brushless doubly-fed wind generator
基于BDFWG降阶模型的最大风能捕获
The order reduction of large power systems for special modes is presented in this paper by using the technique of improved rayleigh quotient inverse iteration.
对大系统特定模式进行降阶计算。
For a class of interconnected systems with unmodeled dynamics,the problem of reduced-order robust de-centralized adaptive backstepping control is considered in this paper.
针对一类含有未建模动态的关联系统,考虑了降阶的鲁棒分散自适应反推控制问题。
Then, based on some assumptions and definitions, the reduced-order model was given, which can embody the main characteristics, and the eigen-value of the system can be expressed deeply.
首先基于Euler-Bernoulli原理,建立了一柔性悬臂梁撞击系统的动力学方程,并给出了模态分析方法;然后在若干基本假定和定义的基础上,利用Karhunnen-Loève展开这一正交分解手段,给出了体现动力系统主要特征的降阶模型,可将系统的本征值进行新的表述;最后将所提方法应用于柔性悬臂梁撞击系统的降阶分析过程中,并给出了相应数值例题。
Based on the technique of proper orthogonal decomposition,the reduced-order spectral representat.
结合本征正交分解技术对谱解法进行降阶处理,极大地提高了谱解法的求解效率,并且其计算精度可以事先加以预测和控制。
These problems are as follows:mode-shape projection,model reduction,parametrization and regularization,and Bayesian probability technique for updating finite element model.
这些问题里 :模态形状的映射 ,模型降阶 ,参数化和正则化 ,以及有限元模型修正中的贝叶斯概率方
This paper focuses on optimizing controller reduction and putting into practice based on the transformation from nonparameter model to parameter model.
针对这个问题,通过非参数模型和参数模型的转换对其进行降阶优化,调整闭环系统新极点的位置,可以获得动态特性和鲁棒性。
For model reduction of flexible spacecraft,conventional first-order balanced truncation(FOBT) method will destroy the second-order structure and dynamic properties of original system.
对于柔性航天器动力学方程的降阶问题,传统的内平衡降阶方法破坏了原方程的动力学结构。
Model Reduction and Controller Reduction in Linear System;
线性系统模型降阶与控制器降阶研究
It makes the degree reduction of the degree reducible B-spline curves easily realized by using the degree reduction formula directly instead of solving linear equation sets.
该文给出了B样条曲线的降阶公式 ,使得可直接用降阶公式对可降阶曲线进行降阶 .
The Reduction of Qrder for Seconderorder Linear Homogeneous Equation of Coustant Coefficients
二阶常系数线性齐次方程的降阶代换
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。
Order Reduction Methods Based on Step Response and Impulse Response
两类基于阶跃响应和脉冲响应的模型降阶方法
Research of reducing model orders of the high orders control system based on genetic algorithm;
基于遗传算法的高阶控制系统模型降阶方法
Model Reduction of Second-order Systems Using Balanced Truncation
应用平衡截断实现的二阶系统模型降阶
A Type Which Order Can be Depressed for Second or Third Order Linear Differential Equation with Varied Coefficient
二阶、三阶变系数线性微分方程可降阶的一个类型
Research on Model Reduction Method of Active Control of Building Structures;
建筑结构主动控制模型降阶方法研究
Reduced Order Model for Unsteady Aerodynamics and Its Application;
非定常气动力降阶模型及其应用研究
Degree Reduction Approximation of Bézier Curves by Central Split-plot Algorithms;
基于中心分割的Bézier曲线降阶
Robust H_∞ Control and Model Reduction for Singular Systems;
鲁棒H_∞控制和广义系统模型降阶
Degree Reduction of the Said-Ball Curves and Surfaces;
Said-Ball曲线曲面的降阶逼近
Research on Approximate Degree Reduction for Interval Rational Bezier Curves and Surfaces;
区间有理Bezier曲线、曲面的降阶逼近研究
Reduced Order Controller Design and Experimental Study of a Flexible Beam;
柔性梁的降阶控制器设计与实验研究
Least Squares Degree Reduction Approximation of Bézier Curves with Shape Parameter;
带形状参数Bézier曲线最小平方降阶逼近
Order-reduction of H-infinity controller for the active suspension system of vehicle;
汽车主动悬架系统H_∞控制器的降阶
About A Few Declines Arbitrary Formuls Of Matrix Rank As Equivalence;
关于矩阵秩的几个降阶公式的等价性
