智能控制对控制课堂教学不确定性的启示

智能控制是目前自动化领域的研究热点之一,本文分析了不确定复杂系统智能控制的一些原理及特点,探讨了智能控制系统和课堂教学系统的相似特性,在此基础上将智能控制理论中的重要原理即神经网络控制、模糊控制、专家系统控制应用于处理课堂教学的不确定性,揭示了智能控制对控制课堂教学不确定性的启示。     

智能控制对控制课堂教学不确定性的启示

智能控制是目前自动化领域的研究热点之一,本文分析了不确定复杂系统智能控制的一些原理及特点,探讨了智能控制系统和课堂教学系统的相似特性,在此基础上将智能控制理论中的重要原理即神经网络控制、模糊控制、专家系统控制应用于处理课堂教学的不确定性,揭示了智能控制对控制课堂教学不确定性的启示。     

智能控制对控制课堂教学不确定性的启示

智能控制是目前自动化领域的研究热点之一，本文分析不确定复杂系统智能控制的一些原理及特点．探讨了智能控制系统和课堂教学系统的相似特性，在此基础上将智能控制理论中的重要原理即神经网络控制、模糊控制、专家系统控制应用于处理课堂教学的不确定性，揭示了智能控制对控制课堂教学不确定性的启示。     

基于不确定性的预测函数控制研究

针对工业现场中存在的大时滞、非线性和强耦合的不确定系统开展研究,论述不确定系统的鲁棒稳定性分析策略,在分析被控对象的不确定性特点的基础上,构建了基于预测函数控制算法的系统参数摄动模型。分别将模型中的稳态增益K_m、时间常数T_m和滞后时间T_d作为摄动参数进行控制系统不确定性仿真分析,结果表明所构建的基于不确定性的PFC控制器具有较强的抗干扰能力和控制鲁棒性。     

基于T-S模型的自适应模糊滑模控制

对一类具有不确定性的非线性系统，根据滑模控制原理并利用T-S模糊系统的逼近能力，提出了一种自适应模糊滑模控制系统的设计方法。控制结构中采用模糊系统自适应补偿过程的不确定性，利用Lyapunov理论，证明了控制算法是全局稳定的，跟踪误差可收敛到零的一个邻城内。     

一种不确定离散时间系统的变结构控制

讨论了利用指数趋近律设计不确定离散变结构控制系统的问题,给出了改进的离散趋近律,得出了新的控制律,并证明了系统在此控制律下可以渐近趋于原点的性质,降低了系统的抖振,同时结合时延技术对干扰进行在线估计,抵消掉系统中的慢变不确定性.最后仿真结果证明了该方法的有效性.     

e-control技术及其在多媒体教学环境中的应用

e-control技术及其应用系统是多媒体应用环境智能化集中控制系统发展到互联网通讯阶段的产物,在多媒体教学环境与视听环境中具有重要意义和广泛的应用前景.e-control系统是一个智能化集中控制系统的集成概念.该文以e-control技术在清华大学教学环境中的应用为实例,介绍了e-control技术及其应用系统的基本架构、工作原理、技术特点和系统功能,对相关应用领域或类似工程案例具有良好的借鉴或参考意义.     

基于LMI的T-S模糊控制系统的研究

非线性控制系统具有不确定性,对复杂的非线性系统倒立摆的分析研究,采用T-S型模糊模型设计其控制系统,利用LMI求得可行性最优解,使得控制系统满足良好的特性。最后用MATLAB工具箱的LMI求解并进行仿真试验,达到较高的控制要求。     

从复杂理论视角审视教学管理的不确定性

教学管理是教育的一个重要组成部分 ,它有一定的确定性 ,也有其不确定性。复杂理论是一门新兴的理论 ,在审视教学管理的不确定性方面有着重要作用。从复杂理论角度看 ,无论教学管理的组织还是教学管理中的个人都是一个复杂系统 ,它们具有不确定性。     

实验教学控制系统初探

在学校教育中,实验教学是一个培养和开发学生观察、分析、操作、创造能力的重要教学环节。如何深化实验教学的改革,是当前亟待解决的一个重要课题。本文拟从控制论的角度对这个问题进行初步探索。 一、实验教学控制系统 实验教学系统是一个十分复杂的系统,由于制约它的因素很多,所以教学过程相当复杂,教学结果有其不确定性,即多种可能性。为了达到实验教学的目的,施控者必须通过各种方式和方法对受控者施行有效控制,实现此控制系统的功能。     

Western and Eastern culture differences in commercial field

The communication of people partially is the communication of cultures. Culture has a direct effect on international commercial activities in all aspects. Different conceptions about time, space, equality, law and the like, lead people to deal with things in different ways. So to know cultures of the counterpart is to facil-itate our enterprises so as to have a smooth and successful communication in commercial activity.     

风的曲线

Rosco and I wait for the fishermen to return.I sit at a wooden bench near the store at Mt.Baker Resort and watch the clouds change shape. Rosco has my belt around his neck and an eight foot tow chain hooked to a tree. Dogs must be on a leash. Ducks and rabbits are loose.     

团图为数的图中的闭团贯数

Given a graph G,a subgraph C is called a clique of G if C is a complete subgraph of G maximal under inclusion and |C|≥2. A clique-transversal set S of G is a set of vertices of G such that S meets all cliques of G. The clique-transversal number, denoted as TC (G), is the minimum cardinality of a clique-transversal set in G. The clique-graph of G, denoted as K (G), is the graph obtained by taking the cliques of G as vertices, and two vertices are adjacent if and only if the corresponding cliques in G have nonempty intersection. Let F be a class of graphs G such that F={G|K(G) is a tree}. In this paper the graphs in F having independent clique-transversal sets are shown and thus TC (G)/|G|≤1/2 for all G ∈ F.     

卡思卡特城堡

It is worthy of noting that, whilst Crookston Castle witnessed the earlier and happier portion of Mary's variegated life,     

不同的吃喝玩乐

一、吃和喝吃苹果 eat an apple, 吃药 take medicine,吃糖 have some sweets,吃饭 have one's meals,吃馆子 dine out,吃惊 be surprised/     

漏洞百出的教育

Many college freshmen arrive woefully unprepared to do college work, and as disadvantaged populations continue to grow, the share of the American work force that has made it through college is expected to plummet. Many experts blame that educational failure not just on high schools but also on colleges. School & College, a special report by The Chronicle, looks at efforts to fix the system. What reforms would better prepare students for college? What should schools and colleges be doing differently? How should state and federal officials help?     

Social and Cultural Influence on Word Meaning

Different nations have different social cultures, and the social culture of every nation is developing with the development of the nation, language is greatly influenced by social culture, which enables language to possess national and historical characteristics. Word is the smallest, independent, meaningful linguistic unit of language. It can well reflect the national and historical characteristics. From synchronic aspect, the social and cultural influence on word meaning is mainly embodied in conceptual and associative meanings of word. The incorrespondence of word meaning is a phenomenon that exists in both conceptual and associative meanings of word among different languages. From diachronic aspect, the development of social culture causes some changes of word meaning to some extent. Therefore, social culture plays a key role in vocabulary learning and mastery of a language.     

汉字倒说

汉字的六书,《说文》对“转注”一类,语焉不详。后世学者提及转注,也仅限于许慎所举出的例字。《汉字例说》一文,作者从转注的角度综合考虑,对部分现代常用字作了分析,跟传统的解释有所不同。希望能抛砖引玉,互相切磋,以推进学术研究。     

只要努力,不要后悔

There are numbers of crossroads on our long and unpredictable life journey where we totally have no idea about which direction to choose. No matter what our decision is, we should not turn back, but face the music and go ahead instead. I am this kind of girl who always does try without regretting, one example is how I dealt with my love.