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Optimization of communication topology for persistent formation in case of communication faults

Chinese Physics B 2023年第7期32卷 610-624页

作者：王国强罗贺胡笑旋台建玮 School of Management Hefei University of TechnologyHefei 230009China Key Laboratory of Process Optimization&Intelligent Decision-making Ministry of EducationHefei 230009China Engineering Research Center for Intelligent Decision-making&Information Systems Technologies Ministry of EducationHefei 230009China

To address the optimization problem of communication topology for persistent formation in the case of communication faults such as link interruption,transmitter failure,and receiver failure a two-stage model including fast reconstruction of communication topology and re-optimization of communication topology is ***,a fast reconstruction algorithm of communication topology for persistent formation(FRA-CT-PF),based on optimally rigid graph,arc addition operation,and path reversal operation,is proposed,which can quickly generate a feasible reconstructed communication topology after communication faults,thus ensuring the safety of the agents and maintaining the formation shape of persistent ***,a re-optimization algorithm of communication topology for persistent formation(ROA-CTPF),based on agent position exchange,is proposed,which can further obtain a reoptimized communication topology to minimize the formation communication cost while still maintaining the formation shape of persistent *** time complexities of these two algorithms are also ***,the effectiveness of the above algorithms is verified by numerical *** with existing algorithms,FRA-CT-PF can always obtain feasible reconstructed communication topology in much less time under all communication fault scenarios,and ROA-CT-PF can obtain a reoptimized communication topology to further reduce the formation communication cost in a shorter time.

关键词： persistent formation communication topology formation communication cost communication fault

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Formation control for networked spacecraft in deep space:with or without communication delays and with switching topology

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Science China(Information Sciences) 2011年第3期54卷 469-481页

作者： WANG Nan 1,2, ZHANG TianWu 2 & XU JieQiong 1 1 School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China 2 Department of Computer Science and Engineering, Henan Institute of Engineering, Zhengzhou 451191, China 1. School of Aeronautic Science and Engineering Beijing University of Aeronautics and Astronautics Beijing 100191 China2. Department of Computer Science and Engineering Henan Institute of Engineering Zhengzhou 451191 China

In this paper, several formation controllers are developed with constant and variable connected communication topology for six-degree-of-freedom (6-DOF) networked spacecraft flying in deep space with constant and time-varying communication delays considered. In the control algorithm, any explicit leader does not exist in the formation team and it is required that each spacecraft communicate only with its neighbors and therefore the required communication loads of the whole formation is greatly reduced. The proposed control strategies allow that each spacecraft can track its desired position and attitude and simultaneously the whole group moves to the desired formation and obtain its desired relative attitudes with its neighbors. Simulation results demonstrate the effectiveness of the proposed controllers.

关键词： deep space graph theory formation control communication topology delays

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Three-dimensional impact angle constrained distributed cooperative guidance law for anti-ship missiles

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Journal of Systems Engineering and Electronics 2021年第2期32卷 447-459页

作者： LI Wei WEN Qiuqiu HE Lei XIA Qunli School of Aerospace Engineering Beijing Institute of TechnologyBeijing 100081China Sichuan Institute of Aerospace Systems Engineering Chengdu 610100China

This paper investigates the problem of distributed cooperative guidance law design for multiple anti-ship missiles in the three-dimensional(3-D)space hitting simultaneously the same target with considering the desired terminal impact angle *** address this issue,the problem formulation including 3-D nonlinear mathematical model description,and communication topology are built *** the consensus variable is constructed using the available information and can reach consensus under the proposed acceleration command along the line-of-sight(LOS)which satisfies the impact time ***,the normal accelerations are designed to guarantee the convergence of the LOS angular ***,consider the terminal impact angle constraints,a nonsingular terminal sliding mode(NTSM)control is introduced,and a finite time convergent control law of normal acceleration is *** convergence of the proposed guidance law is proved by using the second Lyapunov stability method,and numerical simulations are also conducted to verify its *** results indicate that the proposed cooperative guidance law can regulate the impact time error and impact angle error in finite time if the connecting time of the communication topology is longer than the required convergent time.

关键词： distributed cooperative guidance law impact angle constraint communication topology nonsingular terminal sliding mode(NTSM)control finite time convergent

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Complex Cyber-Physical Networks： From Cybersecurity to Security Control

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Journal of Systems Science & Complexity 2017年第1期30卷 46-67页

作者： WEN Guanghui YU Wenwu YU Xinghuo Lü Jinhu Department of Mathematics Southeast University Nanjing 210096 China. School of Engineering RMIT University Melbourne VIC 3001 Australia Institute of Systems Science Academy of Mathematics and Systems Science Chinese Academy of SciencesBeijing 100190 China

Complex cyber-physical network refers to a new generatio~ of complex networks whose normal functioning significantly relies on tight interactions between its physical and cyber compo- nents. Many modern critical infrastructures can be appropriately modelled as complex cyber-physical networks. Typical examples of such infrastructures are electrical power grids, WWW, public trans- portation systems, state financial networks, and the Interact. These critical facilities play important roles in ensuring the stability of society as well as the development of economy. Advances in informa- tion and communication technology open opportunities for malicious attackers to launch coordinated attacks on cyber-physical critical facilities in networked infrastructures from any Interact-accessible place. Cybersecurity of complex cyber-physical networks has emerged as a hot topic within this con- text. In practice, it is also very crucial to understand the interplay between the evolution of underlying network structures and the collective dynamics on these complex networks and consequently to design efficient security control strategies to protect the evolution of these networks. In this paper, cybersecu- rity of complex cyber-physical networks is first outlined and then some security enhancing techniques, with particular emphasis on safety communications, attack detection and fault-tolerant control, are suggested. Furthermore, a new class of efficient secure the achievement of desirable pinning synchronization control strategies are proposed for guaranteeing behaviors in complex cyber-physical networks against malicious attacks on nodes. The authors hope that this paper motivates to design enhanced security strategies for complex cyber-physical network systems, to realize resilient and secure critical infrastructures.

关键词： communication topology complex cyber-physical network cybersecurity Internet ofThings secure control.

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Exponential networked synchronization of master-slave chaotic systems with timevarying communication topologies

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Chinese Physics B 2012年第4期21卷 151-158页

作者：杨东升刘振伟赵琰刘兆冰 College of Information Science and Engineering Northeastern UniversityShenyang 110004China Department of Automatic Control Engineering Shenyang Institute of EngineeringShenyang 110136China

The networked synchronization problem of a class of master-slave chaotic systems with time-varying communication topologies is investigated in this paper. Based on algebraic graph theory and matrix theory, a simple linear state feedback controller is designed to synchronize the master chaotic system and the slave chaotic systems with a time- varying communication topology connection. The exponential stability of the closed-loop networked synchronization error system is guaranteed by applying Lyapunov stability theory. The derived novel criteria are in the form of linear matrix inequalities （LMIs）, which are easy to examine and tremendously reduce the computation burden from the feedback matrices. This paper provides an alternative networked secure communication scheme which can be extended conveniently. An illustrative example is given to demonstrate the effectiveness of the proposed networked synchronization method.

关键词： exponential networked synchronization master-slave chaotic systems algebraic graph theory communication topology

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Coordinated Control Strategy for Harmonic Compensation of Multiple Active Power Filters

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Energy Engineering 2022年第2期119卷 609-620页

作者： Jianfeng Yang Rende Qi Yang Liu Yu Ding School of Automation&Electrical Engineering Lanzhou Jiaotong UniversityLanzhou730070China

In order to minimize the harmonic distortion rate of the current at the common coupling point,this paper proposes a coordinated allocation strategy of harmonic compensation capacity considering the performance of active power filters(APF).On the premise of proportional distribution of harmonic compensation capacity,the harmonic compensation rate of each APF is considered,and the harmonic current value of each APF to be compensated is *** the same time,the communication topology is *** APF takes into account the compensation ability of other ***,three APFs with different capacity and performance are configured at the harmonic source to suppress the same harmonic source,and the harmonic distortion rate is reduced to 1.73%.The simulation results show that the strategy can effectively improve the compensation capability of the multiple APF cascaded system to the power grid without increasing the installed capacity.

关键词： Active power filter collaborative optimization harmonic compensation rate weighting factor communication topology

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Formation control for networked spacecraft in deep space

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High Technology Letters 2011年第4期17卷 421-426页

作者： Wang Nan Jin Rui Xu Jieqiong School of Aeronautic Science and Engineering Beijing University of Aeronautics and Astronautics Beijing 100191 P. R. China Department of Computer Science and Engineering Henan Institute of Engineering Zhengzhou 451191 P. R. China

In this paper, two formation controllers are developed under directed and undirected communication topology for six-degree-of-freedom （6-DOF） networked spacecraft flying in deep space. In the control algorithm, any explicit leader does not exist in the formation team and the proposed controller is required that each spacecraft communicates with its neighbors only, which avoids having to communicate each spacecraft＇s trajectory and therefore reduces the required communication loads of the whole formation. The proposed control strategy allows that each spacecraft can track its desired position and attitude and simultaneously the whole group moves to the desired formation and obtains its desired relative attitudes between spaceerafts. Simulation results demonstrate the effectiveness of the proposed controller.

关键词： deep space graph theory communication topology formation control attitudes

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Consensus-Based Adaptive Control for Systems with Different Tracking Tasks

Consensus-Based Adaptive Control for Systems with Different ...

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第三十届中国控制会议

作者： CHEN Weisheng~(1,2),WU Jian~1 1.Department of Mathematics,Xidian Univerisy,Xi''an,710071,P.R.China 2.Key Laboratory of Intelligent Perception and Image Understanding of Ministry of Education of China,Xidian University,Xi''an 710071, P.R.China

＜正＞This paper focuses on applying the existing consensus idea to adaptive control design.A novel adaptive control approach,called consensus-based adaptive control（CBAC）,is proposed for parametric large-scale *** is assumed that in each subsystems the unknown parameter vectors are same,but the tracking tasks are *** subsystems can use communication networks to exchange their learning information instead of their *** cases of communication topologies are investigated in this *** is proved in each case that the estimate of unknown parameters in all subsystems can converge to a common constant vector and all subsystems can asymptotically achieve the tracking tasks.A simulation example is provided to illustrate the effectiveness of the control scheme proposed in this paper.

关键词： Consensus-based adaptive control parameterized large-scale systems communication topology Lyapunov function

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Experimental Comparison of ATS Algorithm for Wireless Sensor Network

Experimental Comparison of ATS Algorithm for Wireless Sensor...

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第40届中国控制会议

作者： Dezheng Zhu Zhaonan Lu The 28th Research Institute of China Electronics Technology Group Corporation

ATS algorithm is a new clock synchronization algorithm, and this algorithm is mainly used in wireless sensor networks. The algorithm is distributed, asynchronous and robust to packet loss and node failure. The algorithm also adapts to the change of local clock slope and phase, as well as the change of communication topology. In this paper, an ATS algorithm without delay and its related theorems are introduced, and a simulation experiment is conducted on the robustness of ATS algorithm to topology change and node parameter change.

关键词： ATS algorithm wireless sensor networks local clock slope communication topology robustness

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Distributed Vehicular Platoon Control with Heterogeneous communication Delays

Distributed Vehicular Platoon Control with Heterogeneous Com...

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第32届中国控制与决策会议

作者： Xiaohui Qin Yougang Bian Zeyu Yang Manjiang Hu School of Vehicle and Mobility Tsinghua University College of Mechanical and Vehicle Engineering Hunan University

Due to its capability of improving fuel economy and traffic efficiency,platooning has become a hot research topic in recent *** platoon internal stability under heterogeneous communication delays is still not fully *** paper proposes an LMI based robust control algorithm for vehicular platoons with generic communication topologies subjected to heterogeneous *** vehicle model compensation is utilized to linearize platoon *** theory is employed to depict communication *** with a linear feedback controller,we yield a high dimensional linear model of the closed-loop platoon dynamics.A Riccati inequality based algorithm is then proposed to calculate a stabilizing control gain,which can be solved in an LMI *** upper bound of the heterogeneous communication delay is provided,below which the internal stability of the platoon is theoretically ***,the proposed theory is validated through numerical simulations.

关键词： Autonomous vehicle communication topology heterogeneous delay internal stability platoon

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