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第37届中国控制会议

作者： Zhao Yin Wei He Changyin Sun Guang Li Chenguang Yang School of Automation and Electrical Engineering University of Science and Technology Beijing School of Automation Southeast University Queen Mary University of London Key Laboratory of Autonomous Systems and Networked Control College of Automation Science and Engineering South China University of Technology

In this paper, our main goal is to solve optimal control problem by using reinforcement learning（RL） algorithm for marine surface vessel system with known dynamic. And this algorithm is an optimal control algorithm based on policy iteration（PI）, and it can obtain the suitable approximations of cost function and the optimized control policy. There are two neural networks（NNs）, where critic NN aims to estimate the cost-to-go and actor NN is utilized to design suitable input controller and minimize the tracking error. A novel tuning method is given for critic NN and actor NN. The stability and convergence are proven by Lyapunov’s direct method. Finally, the numerical simulations are conducted to demonstrate the feasibility and superiority of presented algorithm.

关键词： Reinforcement Learning Critic Neural Networks Actor Neural Networks Lyapunov Method Marine Vessel

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Study on Model of Ash Fouling Monitoring in Rotary Air Preheater of Coal-fired Power Plant Boiler 36

Study on Model of Ash Fouling Monitoring in Rotary Air Prehe...

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第36届中国控制会议

作者： Ziyang Wei Jingcheng Wang Hongyuan Wang Department of Automation Shanghai Jiao Tong Universityand Key Laboratory of System Control and Information ProcessingMinistry of Education of China Autonomous Systems and Intelligent Control International Joint Research Center Xi'an Technological University

ISBN: (纸本)9781538629185

As an important equipment to preheat air and to improve coal-fired power plant boiler efficiency with the heat of boiler tail flue gas,the air preheater's safe and economic operation influences unit efficiency *** present,above 80%utility-type unit in domestic uses tri-sectional rotary air ***,the rotary air preheater has become an indispensable auxiliary machinery in modern large ***,a kind of air preheater heat transfer model of inverse flue gas flow is proposed in this paper,the ash fouling situation of air preheater is showed with the cleanliness factors based on heat transfer model and flue gas pressure drop model ***,the cleanliness factor of air preheater is calculated and gained through thermodynamics indirectly with energy balance *** to the verification results of the actual operation data of a 600 MW coal-fired unit,both of these two kinds of mode can reflect the dynamic change of ash fouling situation of air preheater in real time,and among which,the cleanliness factor based on flue gas pressure drop mode has a better online monitoring result on ash fouling situation of heat transfer surface.

关键词： Coal-fired Power Plant Boiler Tri-sectional Rotary Air Preheater Reverse Flue Gas Flow Ash Fouling Cleanliness Factor

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Robustness of the complex networks by statistical physics method 36

Robustness of the complex networks by statistical physics me...

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第36届中国控制会议

作者： Hai Lin Jincheng Wang Xiaocheng Li Hongyuan Wang Bin Ma Department of Automation Shanghai Jiao Tong University and Key Laboratory of System Control and Information ProcessingMinistry of Education of China Autonomous Systems and Intelligent Control nternational Joint Research Center Xian Technological University

ISBN: (纸本)9781538629185

In this study,we present a novel analytical approach for robustness on Erdos-Renyi（ER） networks by introducing statistical physics *** establish an exact mapping relation between ER networks and Ising *** on the mapping relation,we obtain the partition function of the ER networks and use it to determine the size of the giant component and the value of the critical edge present probability in ER *** extend the approach to investigate the size of remaining giant component and the critical fraction of the nodes removed in the ER networks whose nodes under the randomly attack.

关键词： Percolation Erdos-Renyi（ER） networks Ising model mapping relation

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Robust ADRC for Nonlinear Time-varying system with Uncertainties 6

Robust ADRC for Nonlinear Time-varying System with Uncertain...

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2017 IEEE 6th Data Driven control and Learning systems Conference (DDCLS’17)

作者： Xiangyang Li Wei Ai Zhiqiang Gao Senping Tian Key Laboratory of Autonomous Systems and Networked Control Ministry of Education School of Automation Science and Engineering South China University of Technology IEEE Center for Advanced Control Technologies Department of Electrical and Computer EngineeringCleveland State University

ISBN: (纸本)9781509054626

Active disturbance rejection control(ADRC) exemplifies the spirit of the data-driven control(DDC) design strategy and shows much promise in obtaining consistent applications in industrial control systems with uncertainties, without the premise that the detailed mathematical model of the controlled system is given. Instead, it is shown that the information needed for the control system to work at high level of effectiveness can be extracted from the input-output data by the use of the extended state observer(ESO). On the other hand, it is shown in this paper that the robustness of ADRC depends on the effectiveness of ESO. Furthermore, taking advantage of the rich body of knowledge in the existing field of robust control, the estimation error in ESO is analysed and, for the purpose of improved robustness, a unique nonlinear component is added to the conventional ADRC law. The modified ADRC which is a kind of robust ADRC law is validated in simulation for a nonlinear time-varying system with parametric and functional uncertainties. It is shown that the proposed robust ADRC law provides more effective tracking performance than the conventional ADRC when the bandwidth of ESO is not wide enough.

关键词： Active Disturbance Rejection control(ADRC) Robust control Extended State Observer(ESO) Nonlinear Time-varying system

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Euler-Discretized GZ-Type Complex Neuronet Computing Real-Time Varying Complex Matrix Inverse 36

Euler-Discretized GZ-Type Complex Neuronet Computing Real-Ti...

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第36届中国控制会议

作者： Yunong Zhang Guofu Wu Binbin Qiu Wan Li Penghao He School of Information Science and Technology Sun Yat-sen University(SYSU) Key Laboratory of Autonomous Systems and Networked Control Ministry of Education SYSU-CMU Shunde International Joint Reseach Institute Key Laboratory of Machine Intelligence and Advanced Computing(Sun Yat-sen University) Ministry of Education

ISBN: (纸本)9781538629185

In this paper,a GZ-type complex neuronet（generated by combining gradient dynamic system and Zhang dynamic system） is illustrated and discretized into an Euler-discretized（i.e.,discretized by Euler forward rule） GZ-type complex neuronet for computing real-time varying complex matrix *** results not only show the efficacy of the proposed Eulerdiscretized GZ-type neuronet but also verify that the error pattern is square.

关键词： GZ-Type Neuronet Complex Matrix Inverse Euler Forward Rule Computer Simulation Error Pattern

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Photo-Based Monitoring of Particulate Matter in the Campus: A New Strategy for Student Health

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IOP Conference Series: Earth and Environmental Science 2020年第1期555卷

作者： Yonghui Zhang Ke Gu Zhifang Xia Junfei Qiao Faculty of Information Technology Beijing University of Technology 100124 Beijing China Engineering Research Center of Intelligent Perception and Autonomous Control Ministry of Education 100124 Beijing China Beijing Key Laboratory of Computational Intelligence and Intelligent System 100124 Beijing China Beijing Artificial Intelligence Institute 100124 Beijing China State Information Center 100045 Beijing China

It is imperative for the students' future health to ensure the students in good physical levels. Recent years have witnessed the increasingly serious harm to student health caused by the continually growing concentration of Particulate Matters (PMs). Consequently, the task of preventing and controlling PM concentrations in the campus is eagerly required. A well-designed model for the monitoring of PM (as the basis for PM prevention and control) has posed a big challenge. Prior works have revealed that photo-based methods are available for the monitoring of PM. Towards validating the effectiveness of existing methods for PM monitoring in the campus, we construct a novel dataset that involves 1,500 photos collected in the Beijing University of Technology. Results confirm that stated-of-the-art methods are far from ideal for the monitoring of PM in the campus. To solve the aforesaid issue, this paper further proposes a novel photo-based PM monitoring model by using the weighted average method solved by LASSO regression to fuse the above methods' outputs tested to infer the PM values. Results demonstrate the superiority of our proposed model as compared to state-of-the-art methods on the large-scale AQPDBJUT dataset.

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Compliant Impedance control for a Redundant Manipulator During Human Robot Interaction

Compliant Impedance Control for a Redundant Manipulator Duri...

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International Conference on Automation and Computing (ICAC)

作者： Yiming Jiang Chenguang Yang Zhaojie Ju Andy Annamalai Honghai Liu Key Laboratory of Autonomous Systems and Networked Control South China University of Technology Guangzhou China Zienkiewicz Center for Computational Engineering Swansea University Swansea UK School of Computing University of Portsmouth Portsmouth UK Moray College University of Highlands and Islands Elgin UK

ISBN: (纸本)9781538648919

Robot control with a compliant motion behaviour is important to guarantee the safety of human robot interaction. In this paper, we aim to guarantee the desired task impedance of the end-effector and to ensure a compliant behaviour of a redundant robot during human robot interactions. A task space impedance control scheme is proposed by designing a transferred impedance error, such that the robot end-effector can be governed to follow a target impedance model. Additionally, a low-priority controller is designed using the null space projection, such that compliant joint motion is guaranteed without affecting the main task. The stability of the whole system is illustrated using a conditional Lyapunov theorem. Simulation studies based on a plane redundant robot is carried out to demonstrate the validity of the proposed controller.

关键词： Robots Impedance Task analysis Aerospace electronics Null space Torque Force

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An Infinite-Dimensional Luenberger-like Observer for Water Waves

An Infinite-Dimensional Luenberger-like Observer for Water W...

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第37届中国控制会议

作者： Yang YU Hai-Long PEI Cheng-Zhong XU Key Laboratory of Autonomous Systems and Networked Control Ministry of EducationUnmanned Aerial Vehicle Systems Engineering Technology Research Center of GuangdongCollege of Automation Science and EngineeringSouth China University of Technology LAGEP Batiment CPEUniversity Claude Bernard-Lyon 1

The paper deals with the observation problem by using an infinite dimensional observer for the water wave system governed by linearized water wave partial differential *** consider that the water wave system evolves in some infinitedimensional Hilbert *** output measurement of dynamical system is supposed to be the water wave surface *** infinite-dimensional exponentially convergent Luenberger-like observer is proposed to estimate the states of water water system:water velocity potential and surface *** simulations by the finite difference scheme are carried out to validate the proposed observer.

关键词： infinite dimension system observer convergence finite difference method

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Euler-precision formula ZD3NgyP-Z applied to discrete control simulation of agitation tank

Euler-precision formula ZD3NgyP-Z applied to discrete contro...

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2017 Chinese Automation Congress, CAC 2017

作者： Zhang, Yunong Zhang, Jianxin Ding, Yaqiong Gong, Huihui Li, Jian Guangzhou510006 China Key Laboratory of Autonomous Systems and Networked Control Ministry of Education Guangzhou510640 China SYSU-CMU Shunde International Joint Reseach Institute Foshan528300 China Key Laboratory of Machine Intelligence and Advanced Computing Ministry of Education Guangzhou510006 China

ISBN: (纸本)9781538635247

In this paper, a new type of Euler-precision 3-node g-proportional (3NgP) formula is proposed and investigated in the general framework of Zhang discretization (ZD), which is named formula ZD3NgPZ with subtype Z corresponding to the second (as well as student) coauthor. By Taylor expansion, we prove that formula ZD3NgPZ approximating the fst-order derivative can achieve an error pattern of O(g). Numerical experiments of approximation are conducted to show the efficacy of the formula. In the meanwhile, formula ZD3NgPZ is used in the discrete control and simulation of agitation tank system. Finally, numerical experiments of discretization are conducted and analyzed to illustrate the efficacy and accuracy of formula ZD3NgPZ applied to agitation tank system. © 2017 IEEE.

关键词： Tanks (containers)

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Dynamic Characteristics Analysis of Cruise Missile controlled by Grid Fin 28

Dynamic Characteristics Analysis of Cruise Missile Controlle...

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第28届中国控制与决策会议

作者： XU Zhaoqing Pei Hailong College of Automation Science and Engineering Key Laboratory of Autonomous System and Networked ControlMinistry of EducationSouth China University of Technology

ISBN: (纸本)9781467397155

The dynamic characteristics of certain cruise missile which is controlled by grid fin is analyzed in this *** aerodynamic force of grid fin is analyzed when the grid fin rotates in flying,then the aerodynamic force and aerodynamic moment along with movement equations are linearized based on the small perturbation linear theory,the beginning state of the cruise is chosen as the feature point,and then the dynamical coefficient are calculated,then the longitudinal and lateral perturbation equations are *** dynamic responses of each motion deviation under the longitudinal and lateral free disturbance are obtained through solving the perturbation *** transfer functions and the dynamic responses under the step deflection of grid fin are *** results indicate that the grid fin can provide favorable stability,the maneuverability of Bank-to-turn is much larger than Skid-to-turn..

关键词： cruise missile grid fin dynamic characteristics dynamic response

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