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IEEE Symposium Series on Computational Intelligence (SSCI)

作者： Zehua Liao Qinglai Wei Ruizhuo Song The State Key Laboratory of Management and Control for Complex Systems Institute of Automation Chinese Academy of Sciences Beijing China School of Automation and Electrical Engineering University of Science and Technology Beijing Beijing China

ISBN: (数字)9781728124858

ISBN: (纸本)9781728124865

As a kind of distributed energy storage system, ice-storage air conditioning (IAC) system is an effective way for transferring cooling load. A parallel adaptive critic design method is constructed for solving the optimal control problem of IAC systems. Adaptive critic design is also called adaptive dynamic programming (ADP). The initial value function of the parallel ADP method is obtained by using particle swarm optimization (PSO) method to pre-train the weights of the neural networks. Another PSO algorithm is utilized in each iteration to achieve the target control, which avoids solving a nonlinear equation in traditional ADP algorithms. Finally, the efficiency of the parallel ADP algorithm will be illustrated through the experiment results.

关键词： Optimal control Heuristic algorithms Air conditioning Neural networks Dynamic programming Particle swarm optimization

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Secure Distributed Filtering for Unstable Dynamics Under Compromised Observations

Secure Distributed Filtering for Unstable Dynamics Under Com...

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IEEE Annual Conference on Decision and control

作者： Xingkang He Xiaoqiang Ren Henrik Sandberg Karl H. Johansson Division of Decision and Control Systems School of Electrical Engineering and Computer Science KTH Royal Institute of Technology Sweden Department of Automation Shanghai University Shanghai China

ISBN: (数字)9781728113982

ISBN: (纸本)9781728113999

In this paper, we consider a secure distributed filtering problem for linear time-invariant systems with bounded noises and unstable dynamics under compromised observations. A malicious attacker is able to compromise a subset of the agents and manipulate the observations arbitrarily. We first propose a recursive distributed filter consisting of two parts at each time. The first part employs a saturation-like scheme, which gives a small gain if the innovation is too large. The second part is a consensus operation of state estimates among neighboring agents. A sufficient condition is then established for the boundedness of estimation error, which is with respect to network topology, system structure, and the maximal compromised agent subset. We further provide an equivalent statement, which connects to 2s-sparse observability in the centralized framework in certain scenarios, such that the sufficient condition is feasible. Numerical simulations are finally provided to illustrate the developed results.

关键词： Observability Estimation error Technological innovation control systems State estimation Robustness

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Robust Stabilization of T-S Fuzzy Stochastic Descriptor systems via Integral Sliding Modes

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IEEE TRANSACTIONS ON CYBERNETICS 2018年第9期48卷 2736-2749页

作者： Li, Jinghao Zhang, Qingling Yan, Xing-Gang Spurgeon, Sarah K. Institute of Systems Science State Key Laboratory of Synthetical Automation for Process Industries Northeastern University Shenyang China Instrumentation Control and Embedded Systems Research Group School of Engineering and Digital Arts University of Kent Canterbury U.K. Department of Electronic and Electrical Engineering University College London London U.K.

This paper addresses the robust stabilization problem for T-S fuzzy stochastic descriptor systems using an integral sliding mode control paradigm. A classical integral sliding mode control scheme and a nonparallel distributed compensation (Non-PDC) integral sliding mode control scheme are presented. It is shown that two restrictive assumptions previously adopted developing sliding mode controllers for Takagi-Sugeno (T-S) fuzzy stochastic systems are not required with the proposed framework. A unified framework for sliding mode control of T-S fuzzy systems is formulated. The proposed Non-PDC integral sliding mode control scheme encompasses existing schemes when the previously imposed assumptions hold. Stability of the sliding motion is analyzed and the sliding mode controller is parameterized in terms of the solutions of a set of linear matrix inequalities which facilitates design. The methodology is applied to an inverted pendulum model to validate the effectiveness of the results presented.

关键词： Integral sliding mode control inverted pendulum nonparallel distributed compensation (Non-PDC) robust stabilization Takagi-Sugeno (T-S) fuzzy stochastic descriptor systems

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An Online Approach to Physical Watermark Design

arXiv

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arXiv 2019年

作者： Liu, Hanxiao Mo, Yilin Yan, Jiaqi Xie, Lihua Johansson, Karl H. School of Electrical and Electronic Engineering Nanyang Technological University Singapore Division of Decision and Control Systems School of Electrical Engineering and Computer Science KTH Royal Institute of Technology Sweden Department of Automation and BNRist Tsinghua University China School of Electrical and Electronic Engineering Nanyang Technological University Singapore Division of Decision and Control Systems School of Electrical Engineering and Computer Science KTH Royal Institute of Technology Sweden

This paper considers the problem of designing physical watermark signals in order to optimally detect possible replay attack in a linear time-invariant system, under the assumption that the system parameters are unknown and need to be identified online. We first provide a replay attack model, where an adversary replays the previous sensor data in order to fool the system. A physical watermarking scheme, which leverages a random control input as a watermark to detect the replay attack, is then introduced. The optimal watermark signal design problem is cast as an optimization problem, which aims to achieve the optimal trade-off between control performance and intrusion detection. An online watermarking design and system identification algorithm is provided to deal with systems with unknown parameters. We prove that the proposed algorithm converges to the optimal one and characterize the almost sure convergence rate. A numerical example and an industrial process example are provided to illustrate the effectiveness of the proposed strategy. Copyright © 2019, The Authors. All rights reserved.

关键词： Intrusion detection

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Robust Adaptive Back-stepping Attitude control for Hypersonic Reentry Vehicles

Robust Adaptive Back-stepping Attitude Control for Hypersoni...

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IEEE International Conference on Unmanned systems (ICUS)

作者： Tiancai Wu Honglun Wang Na Li Yue Yu Jianfa Wu School of Automation Science and Electrical Engineering & Shenyuan Honors College Beihang University Beijing China School of Automation Science and Electrical Engineering & Science and Technology on Aircraft Control Laboratory Beihang University Beijing China Unmanned Systems Research Institute Beihang University Beijing China Beijing Aerospace Automatic Control Institute Beijing China

In this paper, a robust adaptive back-stepping attitude controller is investigated for hypersonic reentry vehicle under unknown parameters and external disturbances. Firstly, the affine nonlinear system of HRV is established in the form of a cascade structure. Secondly, the robust attitude controller based on linear extended state observer, back-stepping method and adaptive control technique is proposed. An adaptive strategy is applied to identify the unknown parameters. Linear extended state observer is applied to observe and compensate the intricate external disturbances. control law and parameter adaptive law can be obtained, and the stability of closed-loop control system can be guaranteed by choosing the appropriate Lyapunov function. Finally, simulation results and discussions are presented to verify the effectiveness of the proposed control strategy.

关键词： Heart rate variability Attitude control Adaptation models Robustness Mathematical model Adaptive systems Observers

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Conceptual Foundations of the Use of Formal Models and Methods for the Rapid Creation of Web Applications

Conceptual Foundations of the Use of Formal Models and Metho...

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IEEE International Conference on Intelligent Data Acquisition and Advanced Computing systems

作者： Sergii Telenyk Grzegorz Nowakowski Eduard Zharikov Jewhenii Vovk Department of Theoretical Electrical Engineering and Computer Science Faculty of Electrical and Computer Engineering Cracow University of Technology Department of Automatic Control and Information Technology Faculty of Electrical and Computer Engineering Cracow University of Technology Department of Automation and Control in Technical Systems National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute"

ISBN: (纸本)9781728140704

The problem of the rapid creation of effective web applications of one class using formal means is considered. A conceptual approach to its solution is offered based on an analysis of the peculiarities of the construction of web applications. Our approach is based on defining the standard web application architecture and selecting its components using formal methods in accordance with user requirements. A formal logical system is proposed that uses the design of web applications as a process of outputting a formula specified according to the needs of the user, which defines the schemes of execution of the modules of the system. An important feature of this approach is the ability to visualise the process of designing the system in 3D, which creates the conditions for effective interaction between developers and machine development tools.

关键词： Web-applications Application construction Business processes Mathematical logic web applications Mathematical logic conceptual User needs Developers

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Coherent H ∞ control for Markovian jump linear quantum systems

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IFAC-PapersOnLine 2020年第2期53卷 269-274页

作者： Yanan Liu Daoyi Dong Ian R. Petersen Qing Gao Steven X. Ding Hidehiro Yonezawa School of Engineering and Information Technology University of New South Wales Canberra ACT 2600 Australia Center for Quantum Computation and Communication Technology Australian Research Council Canberra ACT 2600 Australia Institute for Automatic Control and Complex Systems (AKS) University of Duisburg-Essen. 47057 Duisburg Germany Research School of Electrical Energy and Materials Engineering The Australian National University Canberra ACT 2601 Australia School of Automation Science and Electrical Engineering State Key Laboratory of Software Development Environment Beijing and also with Advanced Innovation Center for Big Data and Brain Computing Beihang University Beijing 100191 China

The purpose of this paper is to design a coherent feedback controller for a Markovian jump linear quantum system suffering from a fault signal. The control objective is to bound the effect of the disturbance input on the output for the time-varying quantum system. We prove the relation between the H ∞ control problem, the dissipation properties, and the solutions of Riccati differential equations, by which the H ∞ controller of the Markovian jump linear quantum system is given by the solutions of Linear Matrix Inequalities (LMIs).

关键词： Coherent quantum feedback H∞ control fault-tolerant control Markovian jump linear quantum systems

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Parity Space-Based Fault Detection by Minimum Error Minimax Probability Machine

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IFAC-PapersOnLine 2018年第24期51卷 1292-1297页

作者： Zhong, Maiying Song, Yang Xue, Ting Yang, Rui Li, Wenbo College of Electrical Engineering and Automation Shandong University of Science and Technology Qingdao266590 China School of Instrumentation Science and Opto-electronic Engineering Beihang University Beijing100191 China Institute for Automatic Control and Complex Systems University of Duisburg-Essen Duisburg47057 Germany The Beijing Institute of Control Engineering Beijing100190 China

This paper deals with the problem of parity space-based fault detection (FD) for linear discrete time systems in the framework of minimum error minimax probability machine (MEMPM). Traditional parity space-based FD is usually difficult to achieve acceptable tradeoff between missed alarm rate (MAR) and false alarm rate (FAR) without the exact stochastic properties of unknown input. To solve this problem, this paper proposes a novel method of parity space-based FD by MEMPM. Firstly, the integrated design of parity space vector, threshold, MAR and FAR is formulated as a problem of binary classification, i.e., the fault-free case and faulty case. By using the method of MEMPM, a bank of parity space vectors corresponding to different faulty scenarios and a threshold are then obtained, while an optimal trade-off between MAR and FAR is achieved in the worst-case setting. To show the effectiveness of proposed method, a satellite attitude control system subject to roll momentum wheel fault and pitch gyroscope fault is considered. © 2018

关键词： Fault detection Alarm systems Attitude control Digital control systems Discrete time control systems Economic and social effects Error detection Finite difference method Image resolution Probability Stochastic systems Vector spaces Alarm rate False alarm rate Linear discrete time systems Minimax probability machine Missed alarm rates (MAR) Parity spaces Satellite attitude control systems Stochastic properties

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Distributed Consensus of Markov Jump Multi-agent systems with Asynchronous Mode-dependent Switching Topology and Communication Delays

Distributed Consensus of Markov Jump Multi-agent Systems wit...

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第三十八届中国控制会议

作者： Chao Ma Lihao Jia School of Automation and Electrical Engineering University of Science and Technology Beijing State Key Laboratory of Management and Control for Complex Systems Institute of Automation Chinese Academy of Sciences Research Center for Brain-inspired Intelligence Institute of Automation Chinese Academy of Sciences

This paper deals with the distributed consensus for Markov jump multi-agent systems(MJMASs) with switching topology. In particular, another different Markov process is adopted to describe the switching topology and mode-dependent transmission delays. By means of model conversion and using Lyapunov-Krasovskii functional method, consensus criterion is first established. The consensus controllers can be further obtained with the aid of matrix transform. The corresponding simulation is presented for showing the validity of the developed method.

关键词： Mode-dependent consensus Markov jump multi-agent systems asynchronous mode-dependent switching topology mode-dependent communication delays

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A Geometrical Criterion for the Synchronization of Dynamic Networks with Input Saturation

A Geometrical Criterion for the Synchronization of Dynamic N...

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International Conference on control, automation, Robotics and Vision (ICARCV)

作者： Juncen Ye Haoyi Que Longhua Ma Ming Xu Hongye Su Polytechnic institute Zhe-jiang University Ningbo Campus Ningbo Zhejiang PR China Institute of Intelligence Science and Engineering Shenzhen Polytechnic Shenzhen Guangdong PR China Institute of automation and electrical engineeringZhejiang University Ningbo Institute of Technology Ningbo Zhejiang PR China National Laboratory of Industrial Control Technology Institute of Cyber-Systems and Control Zhejiang University Yuquan Campus Hangzhou Zhejiang PR China

ISBN: (数字)9781728177090

ISBN: (纸本)9781728177106

The paper investigated the global synchronization control problem of dynamic networks with discrete-time communications and input saturation. Based on a geometrical criterion of certain non-linear non-autonomous systems, we proposed a sufficient condition for stability of saturating linear control for a linear networked system. The stability could be ensured simply from a range of gains rather than a complex Lyapunov function. A numerical example is offered to show the effectiveness and the relative analysis.

关键词： Synchronization Sun Sufficient conditions Stability criteria Neural networks Motion control Vehicle dynamics

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