极大值原理

  • 网络maximum principle;pontryagin's maximum principle;maximal principle
极大值原理极大值原理
  1. 根据最优控制理论和Pontryagin极大值原理,分别选取动力学变量和运动学变量来作为状态变量进行研究。

    According to optimal control theory and the Pontryagin maximum principle , kinetic variables and kinematic variables are selected as state variables respectively .

  2. 本文利用极大值原理研究一类非线性反应扩散方程在各种边界条件下解的Blow-up问题,给出了整体解不存在的一系列定理,并得到了Blow-up时间T的上界。

    This paper , by maximum principle , concerns the problem on blow up of the solutions for a class of nonlinear reaction diffusion equations with a various of boundary conditions , and obtained some nonexistence theorems of global solutions and the bounds of the " Blow up time " T.

  3. p(x)-Laplace方程的强极大值原理

    A strong maximum principle for p ( x ) - Laplace equations

  4. 由Stokes公式和微分方程的极大值原理得到一些整体结果。

    We obtained a little entirety results by the stokes formula and differential equation maximum priciple .

  5. 通过该电路对心电信号进行连续小波变换,按小波变换系数模极大值原理实现QRS波检测。

    QRS complex of cardiac signal is detected by using the modulus maxima in the WT implemented by analog VLSI .

  6. 在第四章,我们结合算子T存在正的特征值与特征函数的性质,再次利用极坐标证明了一个H型群中无界域上的极大值原理;

    In Chapter 4 , making use of the polar coordinates and the property that T has positive eigenvalue and eigenfunction , we establish a Maximum Principle on unbounded domains contained in H-type group ;

  7. 最后,使用Pontryagin极大值原理推导出最优控制以及描述最优控制的最优系统。

    Finally , we derive the optimal control and the optimality system .

  8. 另外,我们还给出了拉普拉斯方程和一般方程的Pinching-估计以及Hamilton张量极大值原理的一个应用。

    Furthermore , we shall give Pinching-estimate for general equation and the proof of n-dimensional for the Laplace equation and an application of Hamilton tensor maximum principle .

  9. 以燃耗最优为指标,利用Pontryagin极大值原理,得到了发动机推力开关曲线和推力方向角的最优控制律。

    To realize the minimal fuel strategy , an optimal control law was proposed based on the maximum principle .

  10. 最后利用极大值原理和不动点定理给出了Dirichlet边值问题存在唯一解的一个充分条件。

    Moreover we give examples . Finally we use the maximum theory and the fixed-point theory to obtain the sufficient condition of the existence and uniqueness solution of Dirichlet boundary problems .

  11. 本文研究欧氏空间E~(2+p)(P≥l)中法丛平坦的子流形M~2.并由Stokes公式、微分方程的极大值原理得到一些整体结果。

    In this paper , we study the submanifold M2 in the Euclidean space E2 + p with the flat normal bundle . We obtained a little entirety results by the Stokes formula and differential equation maximum priciple .

  12. 弹性振动点观测反馈控制古典解的存在性应用奇异非线性Dirichlet问题的上下解方法以及极大值原理,得到了一类奇异非线性Dirichlet问题正古典解的存在性。

    Existence of Classical Solution for Feedback Control System of Elastic Beam Vibration with Point Observation Some sufficient conditions for the existence of positive classical solutions of a singular nonlinear Dirichlet problem , is given .

  13. 如果利用极大值原理求解控制律,推导繁琐,计算量极大;因此改用遗传基因算法(GA)来求解最优控制律。

    When the control rule is solved by means of the theory of maximum limit , there is the disadvantage of tedious derivation and great amount of calculation , so that the gene algorithm ( GA ) is employed to solve the optimum control rule .

  14. 通过对单轮和双轮制动模型的仿真计算表明,GA算法可以有效地求解防抱死制动系统的控制律,其控制效果与利用极大值原理确定的最优控制律是一致的。

    Simulating computation of single wheel and dual wheel braking model reveals that the gene algorithm can effectively solve the control rule of anti-blocking brake system , the control effect is in coincidence with that of the optimum control rule determined by the theory of maximum limit .

  15. 借鉴微分对策的思想,结合最优控制理论中Pon-tryagin极大值原理和VanLoon路径耦合方法,研究了两家股份制企业之间不断协调和相互适应的博弈过程;

    A dynamic corporate firm model was developed for differential games , with the Maximum Principle of Pontryagin combined with the path coupling procedure of van Loon to analyze the coordinating and adapting processes of the firms in games .

  16. 本文应用Berger极大值原理,证明复曲率在某点达到最大值的、具非负双戳曲率的Kahler-Einstein曲面必为常复曲率空间。

    By using Berger 's maximal value theorem , the authors prove that the holo-morphic sectional curvature of a Kahler-Einstein surface is a constant , if the curvature is non-negative and it attains its maximal value .

  17. 文中首先应用极大值原理设计了最优着陆制导控制律,此时求解最优轨迹变成一个两点边值问题(TPBVP)。

    First , the Maximum principle is used to generate an optimal guidance law for lunar landing , and the TPBVP is to be solved as a result of the numerical solution for optimal trajectory .

  18. 并且针对模极大值原理去噪过程中存在重构小波系数难的问题,本文提出了分段三次样条插值(PCSI)的算法,可以快速高效地重构小波系数。

    Moreover , to overcome the difficulty of reconstructing wavelet coefficients in the modulus maximum denoising , a new piecewise cubic spline interpolating ( PCSI ) algorithm is presented , with which the wavelet coefficients can be reconstructed fast and efficiently .

  19. 随机控制的极大值原理及其在投资决策中的应用

    Maximum principle of stochastic control and its application to investment decision

  20. 最小时间控制问题是控制专业课程最优控制中极大值原理的重要应用。

    Minimum time control is an important part of control theory course .

  21. 正则嵌入端与无穷远极大值原理

    The Regular Embedded Ends and the Maximum Principle at Infinity

  22. 非齐次线性椭圆型方程的极大值原理及其应用

    Maximum principles and gradient bounds for inhomogeneous linear elliptic equations

  23. 基于极大值原理的弹道修正引信弹道优化控制研究

    Research on Trajectory Controlled Optimization for Trajectory Correction Fuze Using Maximum Principle

  24. 离散型极大值原理在组合导航系统可靠性最优化中的应用

    The application of discrete max theory on reliability optimization of integrated navigation system

  25. 利用极大值原理确定系统故障检测门限

    On Determining Failure Detection Thresholds with the Maximum Principle

  26. 利用极大值原理求解飞行器飞行区域

    Determination of Flight Range with the Maximum Value Principle

  27. 一类半线性四阶椭圆型方程的极大值原理及其应用

    The maximum principles for some semi-linear elliptic equations of fourth-order and their application

  28. 给出随机控制问题的极大值原理,并应用这一方法求解随机投资决策问题,得到了最优投资策略。

    An maximum principle of stochastic control is presented .

  29. 应用极大值原理求解机械结构优化设计问题

    Solve the Structure Optimization Problem with Pontryagin Max-Value Principle

  30. 应用极大值原理导出了它的解析解。

    It presents an analytic solution for the theme by pontryagin maximum principle .