The notion of affine quadratic stability is proposed for uncertain delayed systems. Based on such a notion, methods of robust stability and robust H〓 performance analysis for uncertain linear delayed systems with affine parameter uncertainty are developed by using linear matrix inequalities.

本章提出了不確定時滯系統(tǒng)仿射二次穩(wěn)定的概念黑人黄色网站，對于具有仿射參數(shù)不確定性的線性時滯系統(tǒng)乱伦网址，基于仿射二次穩(wěn)定概念久久免费精品网站视频观看，利用線性矩陣不等式給出了魯棒穩(wěn)定性和魯棒H〓性能分析方法欧美老熟妇色XXXXX。

All these descriptors are not only robust to illumination change, but also robust to affine transformation and image blurring.

這些顏色不變性描述子不僅具有對圖像光照變化的魯棒性免费无码久久影视精品，而且還具有對圖像幾何變化以及圖像模糊的魯棒性。

Based on an introduction to the robust control of uncertain linear systems and a survey on the past and recent contributions to the related polynomial algebraic method, state space method and frequency domain method, this dissertation focuses on the robust control problem of uncertain linear systems in frequency and time domain.

本文首先就不確定線性系統(tǒng)的魯棒控制問題作一扼要的介紹和概括华人免费在线视频，并分多項式代數(shù)方法黄色网站直入、狀態(tài)空間方法和頻率域方法對其歷史發(fā)展及其研究現(xiàn)狀進行了比較全面的綜述91在线视屏。

The apriori and aposteriori H〓-optimal filtering question can be solved directly. L〓 Apriori and aposteriori filtering with an H〓 error bound can be solved by semidefinite programming. Robust H〓 apriori filtering and robust apriori L〓 filtering in discrete-time system are subject to a nonconvex constraint.

對這些濾波問題解法的改進同連續(xù)系統(tǒng)下的情況基本類似，對確定性系統(tǒng)的H〓驗前濾波和驗后濾波国产操屄，本文解法可直接得出最優(yōu)濾波問題的解美女视频黄频黄色视频；對H〓約束下的L〓驗前濾波及驗后濾波，其解可歸結(jié)為一凸優(yōu)化問題黄色网站免费用看片；但不確定性系統(tǒng)H〓驗前濾波和魯棒L〓驗前濾波的LMI解法中有了非凸約束精品99爱免费视频在线观看，因此要用迭代法求解。

Based on the analysis of the mechanism of robot manipulators, a trajectory tracking controlling research model is first built up with ADAMS, and its mathematical model is formulated through the study of robot kinematics and dynamics. After the modeling errors are analyzed in practical robotic systems, a conception of centralized error is brought forward according to the theory of weighting functions. In the case of modeling errors' exist, the robotic uncertain model is derived by introducing an auxiliary control variable into inverse dynamic analysis. The control strategy of robust exponential convergence is applied to the robotic uncertain model, the applicable conditions and the applicable controller with this application are presented. The stable control effect under three main model uncertainties (parametric errors, joint disturbs, joint frictions) are systematically studied on the previously built research model. The problems of robust exponential convergence controller which often results in unstable output and so produces a large relative error when the input trajectory is in a small range are resolved by adjusting the control parameters based on the controller's structure.

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Simulation results show that the middle frame closed-loop control system posseses robust stability and robust performance in a certain sense.

仿真結(jié)果表明国产精品系列一区二区三区，中框閉環(huán)系統(tǒng)具有一定的魯棒穩(wěn)定性和魯棒性能。

This paper adopted a course keeping nonlinear robust controller based on closed-loop gain shaping algorithm and exact feedback linearization algorithm and a speed robust controller which was based on closed-loop gain shaping algorithm.

該文采用基于閉環(huán)增益成形算法和精確反饋線性化算法的航向保持非線性魯棒控制器與基于閉環(huán)增益成形算法的速度魯棒控制器曰批免费视频全过程。

For a nonlinear course keeping system for ships, a kind of nonlinear robust PID is presented, which is based on an exact feedback linearization and a closed-loop gain shaping algorithm. The nonlinear PID controller is constituted of a nonlinear items with a robust PID controller.

針對非線性船舶航向保持系統(tǒng)美国a级黄片，給出一種基于精確反饋線性化和閉環(huán)增益成形算法的非線性魯棒PID控制器，該非線性PID控制器由非線性函數(shù)項和魯棒PID控制器組成91超碰在线播放啪。

The controller makes the closed-loop systems internally stable and minimizes the H2 norm of the transfer matrix Tzw from w to z. Two Riccati formulae based on 8 operator is deduced. The H2 problems for continuous time systems, Z operator models and 8 operator models are investigated respectively.The guaranteed cost control problem of robust stabilization and robust performance for uncertain systems which is described by 8 operator is discussed in this paper.

采用Riccati方程處理方法討論了基于Delta算子描述下的離散系統(tǒng)存在輸出反饋控制器的問題亚洲精品国产aV成拍色，得到了兩個基于Delta算子的Riccati方程，設(shè)計了Delta域的輸出反饋控制器偷拍网站网址，使得閉環(huán)系統(tǒng)內(nèi)穩(wěn)定香蕉黄色a级在线特级毛片，且滿足從w到z的傳遞矩陣T_的H_2范數(shù)最小，設(shè)計了基于Delta算子描述下的離散系統(tǒng)的最優(yōu)控制器伊人无码一区二区，并與S域和Z域的H_2控制器進行了比較www.天天操。

By continuous working for 60 years, the Chinese geodesists have developed the quasi-stable adjustment principle, robust estimation based on equivalent weight principle, robust estimation for correlated observations, adaptively robust filters etc.

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