查询词典 optimal control

This paper addresses problems in linear quadratic optimal control of EHT transmission line.

本文论证了超高压输电线路线性二次优化控制的若干问题。

Ii The problems of optimal control of piecewise linear affine descriptor systems are studied by using some elementary matrix transformations and line matrix inequalities.

二、运用初等矩阵变换和线性矩阵不等式，初步研究了分段线性仿射广义系统的二次最优控制问题，得到了系统二次最优控制的上界、下界，估计成立的条件。

First, the locally optimal control law s are derived for each modified equinoctial orbital element.

研究了近地小推力转移轨道的制导问题，给出了一种基于局部最优控制律的自主制导算法。

This paper contains three sections:In section 1,this paper introduces the background and the research results of assets evolution equation and the optimal control problem.And some preliminaries and main results are presented.

本文共分三节：第一节，介绍了资产发展方程以及最优控制问题的研究背景及现状，给出了预备知识及本文的主要结果。

The work lays a foundation of further researches on optimal control of basic feasible region.

本文工作为进一步优化调控基本可行域奠定了基础。

Base on the finite element methods, this paper makes research on construction process and dynamic optimal control of deep excavation from the points of controllability, observation and stability. The main work may be summarized as follows

本文从现代控制理论的可控性、可观性和稳定性角度出发，对深基坑支护体系进行了基于有限元分析的施工过程和动态优化控制研究，所作主要工作如下

For fuzzy hyperbolic model, three stable controllers are proposed based on robust stability theory, optimal control theory, H-infinite theory and nonlinear system theory. Finally a fuzzy Lyapunov analysis method is put forward to analyze the stability of fuzzy hyperbolic system.

针对模糊双曲正切模型，根据鲁棒稳定性理论、最优控制理论、H无穷控制理论和非线性系统理论设计了三种稳定的控制器，并提出一种模糊Lyapunov分析方法使用语言信息分析模糊双曲正切系统的稳定性。

The existence and uniqueness of optimal control and the corresponding maximum principle are studied by using the fixed point theorem, the Sobolev's imbedding theorem and variational principle.

本章的结论既是在已有文献中还没有见到的成果，也是对单种群动力系统最优控制问题的完善和发展。

Based on the characteristics of the electrohydraulic servo system,the transient optimal control method using the p Q character of servo valve as constraint condition of inequality is presented.

文章分析了线性二次型最优控制不适用于电液伺服主动抗振系统的原因，并根据电液伺服抗振系统特点，提出了以伺服 p- Q特性各不等式约束条件的瞬时最优控制方法。

An optimal control model is developed for the definite linear economic systems with an inequality constraint on state integrals, based on the dynamic input-output theory.

利用动态投入产出模型和控制理论方法相结合，对经济系统进行分析和宏观调控·具有状态积分不等式约束的确定性线性经济系统最优控制模型，是基于动态投入产出理论建立的·利用无约束条件的极大值原理，分析了最优技术与经济控制策略的存在性和惟一性，使得产品的实际产出尽量接近理想产出，同时使能源、资金等消耗最小，并给出了最优反馈控制的形式

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。