不变性原理

基于结构不变性原理分析了前馈调节器，并给出调节器的工程设计准则，为斜轴稳定平台控制系统设计提供了的理论依据。

Feedforward adjustment is analyzed based on the principle of invariance , and the engineering design standard of adjustment has been given too . These all offer the theory basis for inclined-axis stable platform design .

通过采用结构不变性原理及PID控制来实现力的逐点跟踪。

The structural invariability principle and PID control were adopted to carry out force tracking from this point to another .

关于Maxwell方程在Lorentz变换下的不变性原理

On the invariability principle of the maxwell-equations under the lorentz-transformation

本论文主要介绍了在G框架下G-布朗运动的不变性原理，这里的G框架建立在不确定的环境中。

In this paper we present and prove the invariance principle of G-Brownian motion under the G-framework , which is built in the uncertain circumstance .

根据LaSalle不变性原理，建立了使得闭环系统稳定的充分条件。

Applying the LaSalle invariance principle , a sufficient condition for stabilizing the closed-loop systems was established .

前馈控制根据结构不变性原理来对系统进行粗调整，PID控制通过改变P，I，D系数对系统进行微调整，两者协同来提高系统的加载性能。

Feed-forward control carries on the thick adjustment to the system according to the structure invariable principle , PID control carries on the micro adjustment to the system through changing P , I , D coefficients , they together enhance the performance of the system .

对所建模型进行数字仿真，讨论了引起多余力矩的机理，针对电液伺服加载系统的特点，设计了系统的PID控制器，并利用不变性原理讨论了由舵机运动引起的多余力矩的补偿技术；

According to digital simulation about system , the reason to produce disturbance torque is described . Then , PID control strategy is proposed and invariance theory is introduced to decrease the disturbance torque which is caused by motion of loaded object .

然后依据XYZ空间的不均匀性和四面体插值形体不变性原理，设计四面体插值的具体算法。

Then the arithmetic of tetrahedron interpolation is designed by the asymmetry trait of XYZ space and by the theory of invariability of form and structure in tetrahedron interpolation .

提出了一种用于电动伺服加载系统的控制器设计新方法，该方法主要基于ITAE最优控制理论，并结合了不变性原理及零极点配置理论。

According to the character of MDSLS , a new controller is developed which is based on ITAE combined with invariance theory and zero-pole placement .

本文在变结构控制理论对外界扰动的不变性原理的基础上，采用变结构控制方法设计了BTT导弹的输出解耦控制律。

Based on the law that the sliding mode of variable structure control is constant to external interference , the thesis designed the output decoupling law of BTT missile .

应用Lyapunov稳定性理论和LaSalle不变性原理证明了对常值或最终常值干扰可以完全抑制。

Using Lyapunov stability theory and LaSalle invariance principle , we proved that the proposed approach ensures the zero steady-state error in the presence of a constant disturbance or an asymptotically constant disturbance .

进一步利用LaSalle不变性原理证明该收敛域内只有一个平衡点且是渐近稳定的。

Using LaSalle invariance theorem , it can be proved further that the equilibrium field only includes one equilibrium point and the equilibrium point is asymptotically stable .

基于这个不变性原理以及输入对系统能量函数稳定的概念，利用多Lyapunov函数方法提出并证明了一类具有Lyapunov稳定子系统的切换系统的不变集可状态反馈镇定的条件。

Based on this ( notion ) and the invariance principle , a condition is proposed and proved , under which an invariant set of states of a switched ( system ) with Lyapunov stable subsystems can be stabilized by state feedback .

将Rudin提出的红外成像捷联稳定模型用于天线平台的稳定，并应用不变性原理，采取匹配滤波方法，提高了稳定平台的解耦精度。

The strapdown stabilization model for imaging presented by Rudin was applied to antenna stabilized platform . Based on invariance principle , matching filter was used to stabilize antenna platform .

声相关海流剖面仪（ACCP）利用波形不变性原理进行测速，能够测得相对海底的绝对速度。

The principle of waveform invariance is used in measuring velocity of an acoustic corr-elation current profiler ( ACCP ) with bottom tracking capability to provide vessel-earth relative velocity .

结构不变性原理在拖拉机可靠性试验加载系统中的应用

Application of Structure Uniformity Principle to Loading System for Tractor Reliability Test

切换系统的不变性原理与不变集的状态反馈镇定

Invariance principle and state feedback stabilization of invariant sets of switched systems

最后，应用不变性原理导出负荷频率控制律。

Finally the load frequency controller is derived on the basis of invariance principle .

波导不变性原理是当前海洋声学研究的热点之一。

The invariant principles of waveguide are the interesting problems of ocean acoustics at present .

基于结构不变性原理的有效提升液压伺服系统动特性的新方法

One Novel Way to Enhance the Dynamic Performance of Servo System by Employing Structure Unchangeable Principle

在被动加载时结合结构不变性原理能有效抑制多余力，提高被动加载的性能。

It also can eliminate superfluous force and improve passive loading performance with compensation of structure invariance principle .

惯导平台稳定系统的复合控制&不变性原理和状态观测器理论的应用

Compound Control of The Platform in An Inertial Navigation System The Application of Invariance and State Observer Theory

文中应用了结构不变性原理设计了补偿器，以消除这些不利因素的影响。

In the paper , it designs compensator to eliminate infaust influence , which applies principle of structure fixity .

本文根据投影不变性原理以及径向畸变的几何特性提出一种基于径向畸变几何性质的校正方法。

Thus , an algorithm based on the projection invariance principle and the geometry properties of radial distortion is proposed .

波形不变性原理是相关测速声纳的基本工作原理，利用射线声学方法对此原理进行了论述。

Waveform invariance ' is the basic principle of correlation sonar . A ray theory based method is adopted to explain the principle .

采用结构不变性原理设计控制补偿环节克服多余力干扰，改善电液加载台的控制性能。

Using structure invariance principle , control link is designed to eliminate surplus force and to improve the control performance of loading system .

一种可行的方案便是基于不变性原理的复合控制（开、闭环控制）方案。

A kind of viable project is just according to the constant principle reunites the control ( open , shut wreath control ) project .

基于微分方程不变性原理，我们提出了一个简单、系统、严格的自适应反馈控制器来非线性地稳定任何混沌系统。

Based on the invariance principle of differential equations a simple , systematic and rigorous adaptive-feedback controller is proposed to stabilize nonlinearly any chaotic systems .

基于二维抽样定理和空间带宽积不变性原理确定衍射光场的计算量，并分析相位恢复检测范围的限制因素。

The number of sampling points is defined theoretically using two-dimensional sampling theorem and space-bandwidth product invariability , and the limits of measurement are analyzed .

本文通过将李亚普诺夫方法与拉塞尔不变性原理相结合，证明了所设计的控制算法能实现吊车系统的渐近镇定。

Specifically , Lyapunov techniques are fused with LaSalle 's Invariance Theorem to prove that the constructed nonlinear controllers achieve asymptotic regulation of the crane system .