作者： Q.-H. Wu¹;M. Mansour; （Department of Automatic Control Beijing Institute of Technology, Beijing 100081, China Automatic Control Laboratory, Swiss Federal Institute of Technology, ETH-Zentrum, CH-8092 Zürich, Switzerland）

出处： IFAC Proceedings Volumes 1999 Vol.32 No.2 P3248-3253

关键词： uncertain dynamic systems;stability robustness;eigenvalues

摘要： This paper considers the stability radius problem of control systems whose coefficients of the denominator and the numerator polynomials are affine in ...

作者： Jie Chen¹;Zhihao Gong¹;Sandor M Veres²; （¹Department of Automatic Control, Beijing Institute of Technology, P.O.Box327, Beijing 100081, P.R. China. ;²School of Electronic & Electrical Eng., The University of Birmingham, Edgbaston, B15 2TT, UK）

出处： IFAC Proceedings Volumes 1999 Vol.32 No.2 P2622-2627

关键词： Nonlinear systems;Robustness;Optimal control;Constraints;Geometric properties;Ellipsoidal methods

摘要： The aim of this paper is to introduce new methods of nonlinear robust controller design under state and input constraints using ellipsoidal techniques ...

作者： Chuanguang Li;Bingnan Pei;Xiuling Han; （Department of Automatic Control, Beijing Institute of Technology, Beijing, 100081 P. R. China Department of Electronic Engineering, Zhengzhou University, Zhengzhou 450052 P. R. China）

出处： IFAC Proceedings Volumes 1999 Vol.32 No.2 P4402-4406

关键词： Adaptive digital filter;Active noise control;Digital signal processors;Computer application;Environment engineering

摘要： A modified LMS algorithm is suggested after a mathematical model for sound-cancelling, on the basis of the sound wave interference principle, is set u ...

作者： Guofei Jiang;Hui-Qi Gao;Cang-Pu Wu;George Cybenko （Department of Automatic Control, Beijing Institute of Technology P.O. Box 327, Beijing 100081, P.R. China Thayer School of Engineering, Dartmouth College Hanover, NH 03755, USA）

出处： IFAC Proceedings Volumes 1999 Vol.32 No.2 P8551-8556

关键词： Dynamic programming;discretization;stochastic control;machine learning;optimization;convergence analysis;markov decision problems

摘要： Q-Learning is a direct reinforcement learning algorithm for solving stochastic control problems with incomplete information. Discretization of the sta ...

作者： Liu Yingmin;Wu Cang-Pu （Beijing Institute of Technology Dept.of Automatic Control Beijing Institute of Technology Dept.of Automatic Control Beijing Institute of Technology Dept.of Automatic Control Beijing Institute of Technology Dept.of Automatic Control）

出处： 日本オペレーションズ・リサーチ学会秋季研究発表会アブストラクト集 1999 Vol.1999 P146-148

作者： Baozhu Guo; （Department of Applied Mathematics, Beijing Institute of Technology, Beijing 100081, China）

出处： IFAC Proceedings Volumes 1999 Vol.32 No.2 P1572-1576

关键词： Riesz basis;Spectrum-determined growth condition;eigenvalues

摘要： In this paper, we give a new result of Riesz basis generation property for discrete operators in Hilbert spaces, from which, we show that the generali ...

作者： L. Guo;K. Ibrahim;F.Q. Liu;X.C. Ai;Q.S. Li;H.S. Zhu;Y.H. Zou （Department of Materials and Science, Beijing University of Aeronautics and Astronautics, Beijing, 100083, People\'s Republic of China,Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Science, P.O. Box 918, sub 2-7, Beijing, 100039, People\'s Republic of China,Research Center of Material Science, Beijing Institute of Technology, Beijing, 100081, People\'s Republic of China,State Key of Mesoscopic Physics Laboratory (MPL), Department of Physics, Peking University, 100871, Beijing, People\'s Republic of China）

出处： Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter 1999 Vol.82 No.2 P111-114

关键词： PbS nanoparticles;2;6-O-diallyl-;beta;-AD;surface chemical modification;ultransient-induced absorption

摘要： The transient optical properties of novel PbS nanoparticles coated with 2, 6-O-diallyl-#beta#-cyclodextrines (CDs) were studied by the femtosectond pu ...

作者： Kai Cai¹;1;Chuan-bao Cao²;He-sun Zhu²; （¹Department of Materials Science & Engineering, Tsinghua University, Beijing 100084, China;²Research Center of Materials Science, Beijing Institute of Technology, Beijing 100081, China）

出处： Carbon 1999 Vol.37 No.11 P1860-1862

摘要： Abstract ofIn a frequency conversion circuit and a modulation circuit, a filter having an impulse response (HB(z); HL(z)) corresponding to a rectangul ...

作者： Ouyang, JT;Feng, CG;Huang, HQ;Mao, BJ （¹Beijing Inst Technol, Dept Appl Phys, Beijing 100081, Peoples R China. Chinese Acad Engn Phys, Res Ctr Environm Protect Engn, Sichuan 621000, Peoples R China.）

出处： JOURNAL OF APPLIED PHYSICS 1998 Vol.84 No.12 P6943-6945

摘要： The discharge current and the inception voltage of the surface discharge induced plasma chemical process (SPCP) element are measured to investigate th ...

作者： Yuan, LM;Fu, RN;Dai, RJ;Yang, ZQ;Xu, SX;Chen, XX;Xu, QH （¹Beijing Inst Technol, Dept Chem Engn, Beijing 100081, Peoples R China. Yunnan Normal Univ, Dept Chem, Kunming 650092, Peoples R China. Yunnan Univ, Dept Chem, Kunming 650091, Peoples R China.）

出处： CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 1998 Vol.19 No.2 P207-209

关键词： CHROMATOGRAPHY

摘要： In the separations of ethylbenzene/benzene, o-xylene/benzene, styrene/benzene, styrene/toluene and styrene/ethylbenzene on the mixed stationary phases ...