检索结果-南通市图书馆

Global Sliding Mode Control For Uncertain Linear Systems With State Time-Delays

在线全文

学校读者我要写书评

暂无评论

Global Sliding Mode Control For Uncertain Linear Systems Wit...

第二十九届中国控制会议

作者： LI Xiaoqian,JING Li,LIU Chang School of Mathematics and System Science,shenyang normal university,shenyang 110034,P.R.China

The problem of designing global sliding mode controllers for a class of linear and uncertain systems with time delays of state was ***,A nonsingular linear transformation was *** original system with state time-delays was rewritten into a form without any time-delays by this nonsingular linear *** proposed a new method for integral sliding *** can make up for the deficiencies of the traditional sliding surface,eliminating the process of reaching and ensuring the global robustness of the ***,the sliding mode controller was designed based on the transformed *** ensures that all trajectories starting off the manifold reach it in finite time and have low chattering in the sliding motion.A sufficient asymptotic stability condition of the original system was ***,the efficiency and superiority of the proposed method were demonstrated by simulation study.

关键词： Sliding Mode Control Time-delay System Global Sliding Mode Asymptotically Stable Global Robustness Uncertain System and Integral Sliding Surface

在线全文

cnki会议

学校读者我要写书评

暂无评论

图书馆的学术地位辨析

图书情报工作 2004年第5期48卷 103-105页

作者：潘德利杜大明李颖沈阳师范大学图书馆沈阳110034

通过函询调查,将部分图书馆界专家学者对图书馆学术地位的观点进行综合归纳,揭示图书馆的学术性和学术地位。

关键词：图书馆学术地位学术机构服务性机构高校学术研究

H-Infinite Output Tracking Control for Neutral Systems with Time-Varying Delay and Nonlinear Perturbations:An LMI approach

在线全文

学校读者我要写书评

暂无评论

H-Infinite Output Tracking Control for Neutral Systems with ...

2011 Chinese Control and Decision Conference（CCDC）

作者： Guang-Xin Zhong is with the School of Mathematics and System Science,shenyang normal university,shenyang,Liaoning,110034,China.Zhao-Di Xu is with the School of Mathematics and System Science,shenyang normal university,shenyang,110034 He-Ming Wang is with the School of International Economics and Trade,Shandong university of Finance,Jinan,Shandong,250014,China.

In this paper,the problem of H∞ output tracking control for liner neutral systems with time-varying and nonlinear perturbations is *** purpose of this paper is to establish a delay-dependent sufficient condition to guarantee H∞ output tracking performance and obtain a less conservative result.A liner matrix inequality (LMI) approach is adopted to solve the ***,a numerical example shows that the method is very effective.

关键词： H-Infinite output tracking neutral systems time-varying delay free-weighting matrix

Wavelet neural network predication for epidemic outbreak

在线全文

cnki会议

学校读者我要写书评

暂无评论

Wavelet neural network predication for epidemic outbreak

2009中国控制与决策会议

作者： Li Xiao-yi XU Zhao-di Li Zhen-peng School of Mathematics and Systems Science,shenyang normal university,shenyang 110034,China

＜正＞In order to predict the epidemic outbreak,this paper presented a wavelet neural network *** wavelet neural network designing theory framework was also provided:wavelet function is used as activation function in recessive layer,the connection weights are decided by wavelet function ***,the presented method efficiency and feasibility were discussed by a simulation example,some key problems and research directions also summarized..

关键词： Wavelet neural networks Wavelet function Fitting test Classification and prediction

Design of Reliable Controller with Mixed Fault Model in Linear Systems

在线全文

cnki会议

学校读者我要写书评

暂无评论

Design of Reliable Controller with Mixed Fault Model in Line...

2010 Chinese Control and Decision Conference

作者： Jianhua Wang,Bo Yao College of Mathematics and Systems Science shenyang normal university,Shengyang 110034,China

＜正＞The reliable design problem of mixed fault model with actuator failure for linear systems is discussed.A more practical and general model of actuator failure is *** fault model is discrete fault model and continuous fault model coexist in a system,mixed fault model put the discrete and continuous fault model together effectively.A sufficient condition of mixed fault model reliable controller is *** feedback controller is designed by solving LMI（linear matrix inequality）.A simulation example shows the efficiency in a system.

关键词： Linear System Actuator Failure Mixed Fault model Reliable Control LMI

国家、市场与资源配置:体育项目的群分化与比较研究

在线全文

cnki会议

学校读者我要写书评

暂无评论

体育科学 2010年第2期30卷 41-47页

作者：陶双宾林李楠沈阳师范大学社会学学院辽宁沈阳110034

依据个体投入指标、发展前景指标、国家配置指标、市场配置指标对30个具有典型性的体育项目进行分类和比较研究,最后按照各指标聚类为8个主要的类别,并形成从最优到最差的几种不同层次的组合。最优组合在国家和市场两个主要资源配置方... 详细信息

依据个体投入指标、发展前景指标、国家配置指标、市场配置指标对30个具有典型性的体育项目进行分类和比较研究,最后按照各指标聚类为8个主要的类别,并形成从最优到最差的几种不同层次的组合。最优组合在国家和市场两个主要资源配置方式上都有垄断性的优势,最差组合则成为国家与市场不能顾及的弱势"群"。而这种局面的形成,与社会转型以来个体福利配置方式的变化有关,也体现了中国社会转型这一过程的独特性。出于项目均衡发展和运动员福利改善的考虑,应该依据项目所处的群与层次状况,相应地实现国家政策的倾斜,以弥补市场化不足给运动员职业甚至整个生命历程的不良影响。

关键词：国家市场资源配置体育项目 “群”分化

在线全文

学校读者我要写书评

暂无评论

一多项式系统极限环的存在性和唯一性

沈阳师范学院学报（自然科学版） 1999年第1期17卷 1-6页

作者： Liu Deming (Department of Mathematics and Computer ,shenyang normal university,shenyang, 110031 )

讨论了多项式系统极限环的存在性和唯一性，其中ａ为正的奇数，彻底解决了（１）的极限环个数和分布问题。

关键词：多项式系统极限环奇点存在性唯一性

Regioselectivity and Site Charge in Propene Polymerisation Catalysed by Metallocene

在线全文

学校读者我要写书评

暂无评论

Regioselectivity and Site Charge in Propene Polymerisation C...

第十六届全国金属有机化学学术讨论会

作者： Yue Liu and Ying Liu College of Chemistry and Life Science, shenyang normal university,shenyang 110034,People’s Republic of China

The reactions of propene with[Zr(cyclopentadienyl)Me]+ have been investigated using density functional theory in order to study the correlation between regioselectivity and site charge in propene *** reaction paths of...

关键词：

在线全文

cnki会议

学校读者我要写书评

暂无评论

真有效值测量在微波测湿系统中的应用

物理实验 2004年第5期24卷 3-5,16页

作者：赵宏音沈阳师范大学物理科学与技术学院辽宁沈阳110034

真有效值测量能够准确地反映被测电信号与能量的关系 ,在衰减法微波测湿中具有很大的优越性 .单片真有效值 /直流转换器在微带传感器微波测湿系统中的应用。

关键词：真有效值测量微波测湿系统微带传感器直流转换器信号处理