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Solution to the Generalized Champagne Problem on simultaneous stabilization of linear systems

Science in China(Series F) 2007年第5期50卷 719-731页

作者： GUAN Qiang WANG Long XIA BiCan YANG Lu YU WenSheng ZENG ZhenBing Laboratory of Complex Systems and Intelligence Science Institute of Automation Chinese Academy of Sciences Beijing 100080 China Center for Systems and Control College of Engineering Peking University Beijing 100871 China LMAM and School of Mathematical Sciences Peking University Beijing 100871 China Shanghai Institute of Theoretical Computing Software Engineering Institute East China Normal University Shanghai 200062 China National Key Laboratory of Intelligent Technology and Systems Tsinghua University Beijing 100084 China

The well-known Generalized Champagne Problem on simultaneous stabilization of linear systems is solved by using complex analysis and Blonders technique. We give a complete answer to the open problem proposed by Patel et al., which automatically includes the solution to the original Champagne Problem. Based on the recent development in automated inequality-type theorem proving, a new stabilizing controller design method is established. Our numerical examples significantly improve the relevant results in the literature.

关键词： linear systems stabilization simultaneous stabilization Champagne Problem Generalized Champagne Problem,complex analysis inequality-type theorem automated theorem proving

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Data-Driven Based System Identification for Linear Time-Invariant systems

Data-Driven Based System Identification for Linear Time-Inva...

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2023 China Automation Congress, CAC 2023

作者： Yang, Shaobudao Fu, Anqi Qiao, Junfei Faculty of Information Technology Beijing University of Technology Beijing China Key Laboratory of Computational Intelligence and Intelligent Systems Beijing University of Technology Beijing China Beijing Laboratory of Smart Environmental Protection Beijing Artificial Intelligence Institute Beijing China

ISBN: (纸本)9798350303759

System identification is an important basis for understanding the behavior characteristics of unknown systems and for further optimization and control purposes. In this brief, we focus on the model identification for LTI systems using a finite set of sampled data and noise bounds. In order to precisely capture the dynamics of the unknown system, a 2-step approach is proposed. Imprimis, a set operation based on zonotope is applied to compute all the possible matrices that describe the system dynamics with an estimated noise set. The computed result is consistent with all data points and noise bound which is represented by matrix zonotope. Secondly, by solving a proposed optimization problem to find the fittest system dynamic matrix. The aim of the problem is to minimize the noise zonotope. The foregoing 2-step approach is capable of effectively approximating the actual systems. Numerical example demonstrates the validity of the proposed method. © 2023 IEEE.

关键词： Matrix algebra

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Fuzzy Optimal Prescribed Performance Control for Multi-Agent systems via Reinforcement Learning

Fuzzy Optimal Prescribed Performance Control for Multi-Agent...

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2024 International Conference on Fuzzy Theory and Its Applications, iFUZZY 2024

作者： Wang, Xueliang Zou, Yao Wei He, Donghao Zhang School of Intelligence Science and Technology Institute of Artificial Intelligence Key Laboratory of Intelligent Bionic Unmanned Systems Ministry of Education University of Science and Technology Beijing Beijing100083 China

ISBN: (纸本)9798350352788

This paper proposes a fuzzy optimal adaptive prescribed performance control strategy for nonlinear multi-agent systems. Firstly, to solve the prescribed performance problem, an error transformation function is used to transform the constraint problem into a bounded problem. Subsequently, a distributed fuzzy control protocol is proposed, utilizing a reinforcement learning algorithm. The control scheme ensures that all closed-loop signals are bounded, and the consensus tracking error remains within a predefined range. Finally, the effectiveness of the proposed control scheme is verified through simulation. © 2024 IEEE.

关键词： Multi agent systems

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Dynamic Modeling and Aerodynamic Characteristics Analysis of Flapping-Wing Aerial Vehicles

Dynamic Modeling and Aerodynamic Characteristics Analysis of...

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2024 International Annual Conference on Complex systems and intelligent Science, CSIS-IAC 2024

作者： Wang, Tingting He, Xiuyu Zou, Yao He, Wei School of Intelligence Science and Technology Institute of Artificial Intelligence University of Science and Technology Beijing Key Laboratory of Intelligent Bionic Unmanned Systems Ministry of Education Beijing100083 China

ISBN: (纸本)9798331504755

Inspired by flying creatures in nature, flapping-wing aerial vehicles (FWAV s) are developed to improve the flight efficiency and the concealment. During the flight, FWAV s obtain the required lift and thrust force by the active movement of the wings. Depends on this way of flying, FWAVs have great advantages in weight reduction and aerodynamic performance improvements. Therefore, in order to have a better performance in flight, the dynamic analysis of FWAVs is carried out in this paper. Firstly, the static characteristics and the dynamic characteristics of the airfoil adopted by the FWAV are analyzed. Based on the blade element theory, the dynamic model of FWAVs is obtained. Then, the numerical simulations show the effects of different flight speeds and flapping frequencies on the aerodynamics of FWAV s. This is of great significance for the stable flight and the autonomous control of FWAVs. © 2024 IEEE.

关键词： Flight simulators

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On robust output regulation of four strings* 38

On robust output regulation of four strings*

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38th Youth Academic Annual Conference of Chinese Association of Automation, YAC 2023

作者： Wang, Jiubin Zhang, Yipeng Meng, Tingting He, Wei University of Science and Technology Beijing Key Laboratory of Intelligent Bionic Unmanned Systems Ministry of Education School of Intelligence Science and Technology and Institute of Artificial Intelligence Beijing100083 China

ISBN: (纸本)9798350303636

Based on our recent work [1], this paper focuses on the potential relationship between two ways to design observer based control, namely based on either three exosystem observers or two exosystem observers. Both can introduce a 3-copy internal model structure. We further explain the potential relationship between the above observer systems. The tracking errors can be converged to zero and the system states of the closed-loop system are bounded. There are two simulation examples to show the effectiveness of the observer based robust controls. © 2023 IEEE.

关键词： flexible structures internal model principle Observer based robust control PDE systems

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Optimization Study of Water Treatment Plant Surveillance Camera Arrangement

Optimization Study of Water Treatment Plant Surveillance Cam...

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2023 China Automation Congress, CAC 2023

作者： Wei, Xinyu Fu, Anqi Fan, Fei Yang, Shaobudao Qiao, Junfei Faculty of Information Technology Beijing University of Technology China Key Laboratory of Computational Intelligence and Intelligent Systems Beijing University of Technology China Beijing Artificial Intelligence Institute China Beijing Laboratory of Smart Environmental Protection China

ISBN: (纸本)9798350303759

The use of video surveillance for real-time management of factories has become increasingly common. For traditional fixed surveillance cameras, selecting and arranging them properly is crucial for ensuring the smooth operation of water treatment plants. With complex facilities and various obstructions within the plant, a balance needs to be struck between monitoring scope and cost. Therefore, it is necessary to establish an effective digital plane model to optimize the layout of cameras in water treatment plants. By building an optimization model, it is possible to achieve full coverage of the entire monitoring area with the minimum number of cameras. This study takes a water treatment plant in beijing as an example, where the optimization problem of camera placement is transformed into a minimum subset coverage problem. A greedy algorithm is utilized to solve the problem. And the satisfactory results demonstrate the effectiveness of the method. © 2023 IEEE.

关键词： Optimization

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Biologically inspired visual computing:the state of the art

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Frontiers of Computer Science 2021年第1期15卷 1-15页

作者： Wangli HAO Ian Max ANDOLINA Wei WANG Zhaoxiang ZHANG Research Center for Research on Intelligent Perception and Computing Beijing 100190China National Laboratory of Pattern Recognition CASIABeijing 100190China CAS Center for Excellence in Brain Science and Intelligence Technology CASBeijing 100190China University of Chinese Academy of Sciences Beijing 100190China State Key Laboratory of Neuroscience Shanghai 200031China Institute of Neuroscience Chinese Academy of SciencesShanghai 200031China

Visual information is highly advantageous for the evolutionary success of almost all *** information is likewise critical for many computing tasks,and visual computing has achieved tremendous successes in numerous applications over the last 60 years or *** that time,the development of visual computing has moved forwards with inspiration from biological mechanisms many *** particular,deep neural networks were inspired by the hierarchical processing mechanisms that exist in the visual cortex of primate brains(including ours),and have achieved huge breakthroughs in many domainspecific visual *** order to better understand biologically inspired visual computing,we will present a survey of the current work,and hope to offer some new avenues for rethinking visual computing and designing novel neural network architectures.

关键词： brain-inspired vision neural models intelligence novel neural networks

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Improved Multi-stage Online Monitoring Strategy for Batch Process 35

Improved Multi-stage Online Monitoring Strategy for Batch Pr...

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第35届中国控制会议

作者： LI Chunlei WANG Pu GAO Xuejin School of Electronic Infonnation & Control Engineering Beijing University of Technology Engineering Research Center of Digital Community Ministry of Education Beijing Laboratory for Urban Mass Transit Beijing Key Laboratory of Computational Intelligence and Intelligent Systems

ISBN: (纸本)9781509009107

In order to accurately divide the stages and improve the sensitivity of fault diagnosis,a new method is proposed for the sub-stage separation of batch ***,based on the changes in the load matrices,which reveal the change of data direction,rough separation of operation sub-stage is *** to the criterion of minimum similarity distances,time-slice matrices are sorted to realize separation of operation sub-stage more particularly for batch *** two-step separation method considers evolvement of the underlying process ***,the method can accurately divide the ***,multi-way principal component analysis(MPCA) model is established for each phase and applied to on-line monitoring for batch *** proposed method is applied to penicillin fermentation process,the simulation results show that the multistage-based MPCA method has better performance,compared with the traditional MPCA.

关键词： batch process principal component analysis(PCA) operation stage separation

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Consensus Control of Leader-Following Multi-Agent systems in Directed Topology With Heterogeneous Disturbances

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IEEE/CAA Journal of Automatica Sinica 2021年第2期8卷 423-431页

作者： Qinglai Wei Xin Wang Xiangnan Zhong Naiqi Wu the State Key Laboratory for Management and Control of Complex Systems Institute of AutomationChinese Academy of SciencesBeijing 100190 the School of Artificial Intelligence University of Chinese Academy of SciencesBeijing 100049and also with Qingdao Academy of Intelligent IndustriesQingdao 266109China the Department of Computer and Electrical Engineering and Computer Science Florida Atlantic UniversityBoca Raton FL33431 USA the Institute of Systems Engineering and Collaborative Laboratory for Intelligent Science and SystemsMacao University of Science and TechnologyMacao 999078China

This paper investigates the consensus problem for linear multi-agent systems with the heterogeneous disturbances generated by the Brown *** main contribution is that a control scheme is designed to achieve the dynamic consensus for the multi-agent systems in directed topology interfered by stochastic *** traditional ways,the coupling weights depending on the communication structure are static.A new distributed controller is designed based on Riccati inequalities,while updating the coupling weights associated with the gain matrix by state errors between adjacent *** introducing time-varying coupling weights into this novel control law,the state errors between leader and followers asymptotically converge to the minimum value utilizing the local *** the Lyapunov directed method and It?formula,the stability of the closed-loop system with the proposed control law is *** simulation results conducted by the new and traditional schemes are presented to demonstrate the effectiveness and advantage of the developed control method.

关键词： Consensus control directed topology external disturbance multi-agent(MA)systems

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Height Error Correction based on Shoe-mounted Pedestrian Navigation systems 35

Height Error Correction based on Shoe-mounted Pedestrian Nav...

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第35届中国控制会议

作者： LIU Yanhong REN Mingrong WANG Pu GUO Hongyu School of Electronic Information & Control Engineering Beijing University of Technology Engineering Research Center of Digital Community Ministry of Education Beijing Laboratory for Urban Mass Transit Beijing Key Laboratory of Computational Intelligence and Intelligent Systems

ISBN: (纸本)9781509009107

Pedestrian navigation system based on inertial sensors with low cost and small size,can realize independent positioning and do not need to install infrastructure in ***,it receives extensive concerns both at home and *** there has been little discussion about height error *** searching and rescuing in large buildings,vertical accuracy may seem to be more important than horizontal *** this paper,we study the detection of stance phase and present a floor matching algorithm to realize the height error ***,we will distinguish floor phase from stair phase.A floor altitude database is built using prior knowledge and it can determine which floor the pedestrian is walking on for each given horizontal walking motion by matching altitude of each horizontal walking and the floor altitudes contained in the ***,correct height error during the stance phase intervals when pedestrian is doing a horizontal walking *** experimental results show that the method can estimate which floor the pedestrian locates on and provide accurate height information,which can be applied in the actual rescue.

关键词： inertial sensors pedestrian navigation detection of stance phase altitude erron

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