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第36届中国控制会议

作者： TIE Lin school of automation Science and electrical engineering Beihang University （Beijing University of Aeronautics and Astronautics）

ISBN: (纸本)9781538629185

In this paper, we consider a class of discrete-time multi-input inhomogeneous bilinear systems. Controllability and near-controllability of such systems have been well studied in our previous work, where controllable subspaces and nearlycontrollable subspaces have also been derived. We continue the study on the controllable subspaces and nearly-controllable subspaces of the systems in this paper and make some remarks. New controllable subspaces and nearly-controllable subspaces are thus derived and analyzed.

关键词： Discrete-time bilinear systems Controllable subspaces Nearly-controllable subspaces

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Robust Eigenstructure Assignment in A Class of Second-order Linear Systems

Robust Eigenstructure Assignment in A Class of Second-order ...

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第三十九届中国控制会议

作者： Yin-Dong Liu Li-Mei Wang school of electrical engineering Shenyang University of Technology school of automation engineering Northeast Electric Power University

Based on a proposed complete parametric approach for eigenstructure assignment in second-order linear system via the proportional-plus-derivative feedback control, insightful parametrizations of the closed loop eigenvalues sensitivities to the perturbed elements in the open loop system matrices are obtained, and an effective algorithm for eigenvalue assignment with minimum sensitivity in second-order systems via the proportional-plus-derivative feedback control is then proposed. The algorithm does not contain ‘go back’ procedures, and allows the closed loop eigenvalues to be conveniently optimized with desired regions. A numerical example demonstrates its effect, simplicity and numerical property.

关键词： Second-order Systems Robust Eigenstructure Assignment Sensitivity Analysis Parameter Optimization

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Pigeon-Inspired Circular Formation Control for Multi-UAV System with Limited Target Information

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Guidance, Navigation and Control 2021年第1期1卷 68-90页

作者： Mengzhen Huo Haibin Duan Yanming Fan Bio-inspired Autonomous Flight Systems Research Group School of Automation Science and Electrical EngineeringBeihang UniversityBeijing 100083P.R.China shenyang Aircraft Design and Research Institute Aviation Industry Corporation of ChinaShenyangLiaoning 110035P.R.China

The problem of cooperative circular formation with limited target information for multiple Unmanned Aerial Vehicle(UAV)system is addressed in this paper.A pigeon-inspired circular formation control method is proposed to form the desired circular distribution in a plane based on the intelligent pigeon behavior during *** reach the goal of prescribed radius and angular distribution,the controller is designed consisting of a circular movement part and a formation distribution ***,the circular movement part is designed to make each UAV rotate around the speci-ed circle at the same angular speed only using the relative position between the UAV and the *** formation distribution part could adjust the angular distance between each UAV and its neighbors with the jointly connected network to reduce communication *** smooth the speed variation,nonlinear PID-type method is delivered throughout the evolution of the *** convergence analysis of the proposed control protocol is presented using Lyapunov theory and graph *** e®ectiveness of the proposed control strategies is demonstrated through numerical simulations.

关键词： Unmanned Aerial Vehicle(UAV)system circular formation intelligent pigeon behavior limited target information

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State and Output Feedback Regularization for Descriptor Systems by Kalman Canonical Form 25th

State and Output Feedback Regularization for Descriptor Syst...

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第25届中国控制与决策会议

作者： Jianwen Wang Guoshan Zhang Department of Fundamental Sciences Shenyang Institute of Engineering school of electrical engineering and automation Tianjin University

ISBN: (纸本)9781467355339

The problem of state and output feedback regularization for descriptor systems by Kalman canonical form is investigated. First we give the Kalman canonical form for the descriptor systems, by which structure, the regularization and the impulsive mode elimination can be conveniently explored. Then necessary and sufficient conditions are given for the closed loop system to be regular and impulse-free by a parameterized state or output feedbacks. Furthermore, a structured output P-D feedback is considered and a necessary and sufficient condition for the closed loop systems to be regular and impulse-free by the structured output P-D feedback control is presented. The main results are given in terms of subsystem parameters by the Kalman canonical form, in which the structure of system matrix is revealed. Finally, an example is provided to illustrate the correctness of the theory.

关键词： Descriptor systems regularization proportional-derivative (P-D) feedback Kalman canonical form

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Adaptive Output-feedback Time-varying Formation Protocol Design for Linear Swarm Systems with Directed Topology

Adaptive Output-feedback Time-varying Formation Protocol Des...

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第36届中国控制会议

作者： WANG Rui DONG Xiwang LI Qingdong QIN Zekui REN Zhang school of automation Science and electrical engineering Science and Technology on Aircraft Control LaboratoryBeihang University

ISBN: (纸本)9781538629185

This paper studies output-feedback time-varying formation（TVF） protocol design problems for general linear swarm systems with directed interaction *** adding extra observers,an adaptive output-feedback TVF protocol is constructed for general linear swarm systems with directed interaction topology to achieve a given ***,a fully distributed algorithm is proposed based on only local output information of each agent and its ***,a sufficient condition for achieving the desired TVF under the designed adaptive output-feedback TVF protocol is derived based on the Lyapunov ***,a simulation example is presented to illustrate the theoretical results.

关键词： Time-varying formation control Distributed adaptive protocol Directed interaction topology Output feedback information Swarm systems

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Stability and stabilization of a class of switched systems with state and rate constraints

Stability and stabilization of a class of switched systems w...

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第37届中国控制会议

作者： Ying Zhao Caiyun Wu Jun Zhao College of Information Science and engineering Northeastern University State Key Laboratory of Synthetical automation for Process Industries (Northeastern university) school of Equipment engineering Shenyang Ligong University

This paper focuses on stability analysis and stabilization of a class of continuous-time switched systems with state and rate constraints by a multiple Lyapunov functions approach. First, for a system in this class, a category of switching signals satisfying an improved average dwell time constraint are found to ensure the stability of the system. Then, a group of static feedback controller gains are designed to stabilize the system under the switching signals. Further, the attraction domain of the system is estimated in virtue of an iterative linear matrix inequality algorithm. Finally, a numerical example is given to show the effectiveness of the proposed method.

关键词： Switched systems state constraint rate constraint improved average dwell time

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Dissipativity of switched positive systems via state-dependent switching with dwell time

Dissipativity of switched positive systems via state-depende...

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第37届中国控制会议

作者： Peng Wang Caiyun Wu Jun Zhao College of Information Science and engineering Northeastern University State Key Laboratory of Synthetical automation for Process Industries Northeastern University school of Equipment engineering Shenyang Ligong University

In this paper, we study dissipativity for a class of switched positive systems by exploiting multiple linear copositive storage functions and multiple linear supply rates without the requirement of the classic dissipativity property of positive subsystems. A state-dependent and time driven switching law is presented, which is different from traditional dwell time-switching and state-switching. Then, a sufficient condition guaranteeing dissipativity under the positivity constraint are obtained. And the sufficient condition can be easily examined in terms of linear programming. Finally, a numerical example is provided to illustrate the performance of the proposed strategy.

关键词： Switched positive systems Dissipativity Stability Switching law design

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Erratum to:Nano-enhanced biolubricant in sustainable manufacturing:From processability to mechanisms

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Friction 2023年第5期11卷 836-837页

作者： Yanbin ZHANG Hao Nan LI Changhe LI Chuanzhen HUANG Hafiz Muhammad ALI Xuefeng XU Cong MAO Wenfeng DING Xin CUI Min YANG Tianbiao YU Muhammad JAMIL Munish Kumar GUPTA Dongzhou JIA Zafar SAID school of Mechanical and Automotive engineering Qingdao University of TechnologyQingdao 266520China school of Aerospace University of Nottingham Ningbo ChinaNingbo 315100China school of Mechanical engineering Yanshan UniversityQinhuangdao 066004China Mechanical engineering Department King Fahd University of Petroleum and MineralsDhahran 31261Saudi Arabia Key Laboratory of Special Purpose Equipment and Advanced Processing Technology Ministry of Education&Zhejiang ProvinceZhejiang University of TechnologyHangzhou 310032China College of Automotive and Mechanical engineering Changsha University of Science and TechnologyChangsha 410114China College of Mechanical and electrical engineering Nanjing University of Aeronautics and AstronauticsNanjing 210016China school of Mechanical engineering&automation Northeastern UniversityShenyang 110006China Industrial engineering Department University of Engineering and Technology TaxilaTaxila 47080Pakistan school of Mechanical engineering Shandong UniversityJinan 250061China College of Mechanical engineering and automation Liaoning University of TechnologyJinzhou 121001China College of engineering University of SharjahSharjah 27272United Arab Emirates

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Adaptive Insensitive Control for a Class of Fault-tolerant Compensation Systems

Adaptive Insensitive Control for a Class of Fault-tolerant C...

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第37届中国控制会议

作者： Ye-Xing Zhao Xiao-Zheng Jin Wei Guan Li Zhou Yong-Yue Zheng school of electrical engineering and automation HeFei University of Technology school of automation Shenyang Aerospace University China National Institute of Standardization Liaoning Institute of standardization

In this paper, the insensitive fault tolerant control（FTC） problem is addressed for a class of linear continuous-time systems against bounded and time-varying actuator faults, external disturbances, and controller coefficient variations. Unparametrizable time-varying actuator faults are considered without the knowledge of fault efficiency factors. To obtain the information of the constant bounds of faults and disturbances, an adaptive mechanism is designed to estimate the bounds. Based on these estimations, an adaptive FTC controller is constructed to eliminate the effects of faults, disturbances, and coefficient *** bounded stability of the closed-loop adaptive system is achieved based on Lyapunov stability theory. The efficiency of the developed adaptive control strategy is verified by a rocket fairing structural-acoustic model.

关键词： Insensitive fault-tolerant control system Adaptive technique Actuator faults External disturbances

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A parametric approach to design interval observers for linear systems with time-varying disturbances

A parametric approach to design interval observers for linea...

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第37届中国控制会议

作者： Long-Wen Liu Da-Ke Gu Yin-Dong Liu Qi-Rui Zhang school of automation engineering Northeast Electric Power University school of electrical engineering Shenyang University of Technology Heilongjiang Electric Power Company Limited

The design problem about interval observers for linear systems with time-varying disturbances is considered in the *** the nonsingular matrix transformation,the problem about solving the observable gain matrix complicatedly or the situation of nonexistent such matrix is efficiently solved by transforming it into the solution for a type of generalized Sylvester ***,the specific parametric forms for the observable gain matrix and the nonsingular matrix are obtained by solving the generalized Sylvester ***,a novel parameterized approach to design interval observers for linear systems with time-varying disturbances is proposed,and the output interval can be towards a constant with a desired convergence ***,a numerical example illustrates the efficiency of the proposed method.

关键词： Parametric Method Interval Observers Time-varying Disturbances Matrix Transformation

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