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第41届中国控制会议

作者： Yihui Lu Linyan Han Jinhao Liu Shihua Li School of Automation Southeast University Key Laboratory of Measurement and Control of Complex Systems of Engineering Ministry of Education

ISBN: (数字)9789887581536

ISBN: (纸本)9781665482561

A model predictive tracking control algorithm for rigid manipulators considering the existence of external time-varying disturbances is studied in this *** the field of manipulators,disturbances are *** the influence of disturbances will lead to poor control accuracy and even *** a two-degree-of-freedom(2-DoF) rigid manipulator,a composite algorithm combing model predictive control(MPC) and a generalized proportional integral observer(GPIO) is *** the proposed method,feedback linearization technology is used to decouple the *** order to improve the ability of disturbance rejection,a GPIO is used to estimate the lumped disturbances and the estimated values are added to the control law by feedforward *** is conducted to validate the proposed algorithm.

关键词： Model Predictive control(MPC) Manipulator Generalized Proportional Integral Observer(GPIO) Feedback Linearization

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Finite-time control for DC-DC Boost Converter Using Nonsingular Terminal Sliding Modes via Exact Feedback Linearization 36

Finite-time Control for DC-DC Boost Converter Using Nonsingu...

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第36届中国控制会议

作者： Jie Pan Hongyu Cui Zuo Wang Shihua Li Qi Li Key Laboratory of Measurement and Control of Complex Systems of Engineering Ministry of EducationSchool of AutomationSoutheast University

ISBN: (纸本)9781538629185

This paper investigates a finite-time disturbance observer（FTDO） based nonsingular terminal sliding mode control（NTSMC） approach for DC-DC boost converter *** using exact feedback linearization theory and control method to solve the output voltage regulation problem under the load resistance changes and external input voltage *** the disturbance estimated by FTDO into the design of the nonlinear dynamic sliding mode surface,a finite-time NTSMC method is developed to reject the effects of mismatched disturbances and achieve finite-time tracking *** compared with the nominal NTSMC method,the proposed method obtains a better disturbance rejection ability no matter the disturbances satisfy the matching condition or *** is shown that the stability of closed-loop system can be guaranteed by the proposed *** comparison results are displayed to demonstrate the robustness of the proposed controller against input voltage variations and load uncertainties.

关键词： DC-DC Boost Converter Nonsingular Terminal Sliding Mode control（NTSMC） Finite-time Disturbance Observer（FTDO） Mismatched Disturbances Load Resistance Uncertainties External Input Voltage Variations

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Distributed Detectability and Filter Design in Homogeneous Sensor Networks 33

Distributed Detectability and Filter Design in Homogeneous S...

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第三十三届中国控制会议

作者： ZHANG Ya TIAN Yu-Ping School of Automation Southeast University Key Laboratory of Measurement and Control of Complex Systems of Engineering Ministry of Education

ISBN: (纸本)9781479947249

This paper studies distributed filtering problem of homogeneous sensor *** part of sensors can get observations of the process and consensus based filters are *** the distributed detectability and the suboptimal filter design are *** converting the stability problem of estimation errors of sensors under time-varying topologies to the robust stability problem of some uncertain system,two sufficient distributed detectability conditions are *** is LMI-based and the other is given by the eigenvalues of the process matrix and Laplacian matrices.A suboptimal algorithm to design the consensus based filter gains is proposed and the convergence of the algorithm is *** examples are given to illustrate the results.

关键词： Distributed filter,Detectability,Consensus,Multi-agent systems,Sensor networks

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Multi-dimensional Taylor Network Optimal control for Ship Roll Stabilization 2

Multi-dimensional Taylor Network Optimal Control for Ship Ro...

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2017 IEEE 第2届先进信息技术,电子与自动化控制国际会议(IAEAC 2017)

作者： Peng Zhang Hong-Sen Yan Yang Yang School of Automation Southeast University Key Laboratory of Measurement and Control of Complex Systems of Engineering Ministry of Education

Ships stability and safety are always threatened by the unavoidable sway in the complicated situation of the sea, *** wind and roaring waves. Ensuring the stability of the ship as a difficult t

ISBN: (纸本)9781467389808

Ships stability and safety are always threatened by the unavoidable sway in the complicated situation of the sea, *** wind and roaring waves. Ensuring the stability of the ship as a difficult t

关键词： Marine vehicles Force Torque Hydrodynamics Optimal control Harmonic analysis

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Intra-hour PV Power Forecasting based on Multi-source Data and PSC-SVR Model 41

Intra-hour PV Power Forecasting based on Multi-source Data a...

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第41届中国控制会议

作者： Kai Wang Weijing Dou Haikun Wei Kanjian Zhang Key Laboratory of Measurement and Control of Complex Systems of Engineering Ministry of EducationSchool of AutomationSoutheast University

ISBN: (数字)9789887581536

ISBN: (纸本)9781665482561

Accurate photovoltaic power forecasting(PVPF) can ensure the stability of grid operation and the reliability of economic ***,PV power generation is greatly affected by weather conditions,thus more external information needs to be combined to improve the forecasting *** on the measured data and NWP data,this paper proposes a PSC-SVR model to forecast the intra-hour PV *** model consists of PV physical model(PSC) and support vector regression(SVR).PSC converts the irradiance as a priori feature of the model,including calculating the sun position,irradiance separation and transposition *** is used for the two-stage data fusion of NWP power modeling and power *** method was verified on 4 power stations in the public data set *** forecasting PV power in the next one hour,the average RMSE/MAE of all stations is 1.927 MW/1.167 MW,which decreases by 40%/55% compared with persistent model,6%/7% compared with NWP correction forecasting method,9%/13% and 32%/34% compared with the single measured data and single NWP *** above results show the effectiveness of our proposed model in multi-source data fusion and PV power forecasting.

关键词： Photovoltaic Power Forecasting NWP Data Fusion Physical Model Support Vector Regression

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STATE FEEDBACK STABILIZATION FOR A CLASS OF NONLINEAR TIME-DELAY systems VIA DYNAMIC LINEAR controlLERS

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Journal of systems Science & complexity 2014年第3期27卷 453-462页

作者： CHAI Lin QIAN Chunjiang School of Automation Southeast University Key Laboratory of Measurement and Control of Complex Systems of Engineering Southeast University Department of Electrical and Computer Engineering University of Texas at San AntonioSan AntonioTX 78249USA

The dynamic linear state feedback control problem is addressed for a class of nonlinear systems subject to ***,using the dynamic change of coordinates,the problem of global state feedback stabilization is solved for a class of time-delay systems under a type of nonhomogeneous growth *** the aid of an appropriate Lyapunov-Krasovskii functional and the adaptive strategy used in coordinates,the closed-loop system can be globally asymptotically stabilized by the dynamic linear state feedback *** growth condition in perturbations are more general than that in the existing *** correctness of the theoretical results are illustrated with an academic simulation example.

关键词： Dynamic linear controller global stabilization nonlinear time-delay systems state feed-back control.

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Multi-dimensional Taylor Network Optimal control for Tank Firing in High Speed Motion 2

Multi-dimensional Taylor Network Optimal Control for Tank Fi...

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2017 IEEE 第2届先进信息技术,电子与自动化控制国际会议(IAEAC 2017)

作者： Dong-Xiao Li Hong-Sen Yan Tao Jin School of Automation Southeast University Key Laboratory of Measurement and Control of Complex Systems of Engineering Ministry of Education

In this paper, a method of tank gun stability control system based on multi-dimensional Taylor network optimal control(MTN) is proposed. As the fact that tank itself has a strong nonlinear characteris

ISBN: (纸本)9781467389808

关键词： Weapons Roads Prototypes Stability analysis PI control PD control

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Fault Localization and State Estimation of Power Grid under Parallel Cyber-Physical Attacks

arXiv

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arXiv 2025年

作者： Ren, Junhao Zhao, Kai Zhang, Guangxiao Liu, Xinghua Zhai, Chao Xiao, Gaoxi School of Electrical and Electronic Engineering Nanyang Technological University Singapore639798 Singapore Institute of Catastrophe Risk Management Nanyang Technological University Singapore639798 Singapore Future Resilient Systems Singapore-ETH Centre Singapore138602 Singapore School of Electrical Engineering Xi’an University of Technology Xi’an710048 China Wuhan430074 China Hubei Key Laboratory of Advanced Control and Intelligent Automation for Complex Systems The Engineering Research Center of Intelligent Technology for Geo-Exploration Ministry of Education Wuhan430074 China

Parallel cyber-physical attacks (PCPA) refer to those attacks on power grids by disturbing/cutting off physical transmission lines and meanwhile blocking transmission of measurement data to dwarf or delay the system protection and recovery actions. Such fierce hostile attacks impose critical threats to the modern power grids when there is a fusion of power grids and telecommunication technologies. In this paper, we investigate the fault diagnosis problem of faulty transmission lines under a broader spectrum of PCPA for a linearized (or DC) power flow model. The physical attack mechanism of PCPA includes not only disconnection but also admittance value modification on transmission lines, for example, by invading distributed flexible AC transmission system (D-FACTS). To tackle the problem, we first recover the information of voltage phase angles within the attacked area. Using the information of voltage phase angle and power injection of buses, a graph attention network-based fault localization (GAT-FL) algorithm is proposed to find the locations of the physical attacks. By capitalizing on the feature extraction capability of the GAT on graph data, the fault localization algorithm outperforms the existing results when under cyber attacks, e.g., denial of service (DoS) attacks. A line state identification algorithm is then developed to identify the states of the transmission lines within the attacked area. Specifically, the algorithm restores the power injection of buses within the attacked area and then identities the state of all the transmission lines within the attacked area by solving a linear programming (LP) problem. Experimental simulations are conducted on IEEE 30/118 bus standard test cases to demonstrate the effectiveness of the proposed fault diagnosis algorithms. Copyright © 2025, The Authors. All rights reserved.

关键词： Cyber attacks

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Interaction Torque Estimation for Robotic Manipulators under Low-Speed Condition 41

Interaction Torque Estimation for Robotic Manipulators under...

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第41届中国控制会议

作者： Yufeng He Wenwu Zhu Linyan Han Shihua Li School of Automation Southeast University Key Laboratory of Measurement and Control of Complex Systems of Engineering Ministry of Education

ISBN: (数字)9789887581536

ISBN: (纸本)9781665482561

This paper studies the interaction torque estimation method of the rigid robotic manipulator under the low-speed ***,a nonlinear friction model is established to analysis the influence of *** the noise into consideration,a least square identification method is ***,a finite-time extended state observer is established to estimate the interaction torque,which is capable of estimating time-varying *** stability of the system is demonstrated based on the Lyapunov *** results are given to show the effectiveness of the proposed method.

关键词： Force estimation Robotic manipulator Stribeck friction Finite-time observer

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Disturbance Observer-based Pointing control of Leighton Chajnantor Telescope

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Research in Astronomy and Astrophysics 2024年第1期24卷 135-150页

作者： Weirui Chen Zheng Wang School of Automation Southeast UniversityNanjing 210096China Key Laboratory of Measurement and Control of Complex Systems of Engineering Ministry of EducationSoutheast UniversityNanjing 210096China

Leighton Chajnantor Telescope(LCT), i.e., the former Caltech Submillimeter Observatory telescope, will be refurbished at the new site in Chajnantor Plateau, Chile in 2023. The environment of LCT will change significantly after its relocation, and the telescope will be exposed to large wind disturbances directly because its enclosure will be completely open during observation. The wind disturbance is expected to be a challenge for LCT's pointing control since the existing control method cannot reject this disturbance very well. Therefore, it is very necessary to develop a new pointing control method with good capability of disturbance rejection. In this research, a disturbance observer—based composite position controller(DOB-CPC) is designed, in which an H∞feedback controller is employed to compress the disturbance, and a feedforward linear quadratic regulator is employed to compensate the disturbance precisely based on the estimated disturbance signal. Moreover, a controller switching policy is adopted, which applies the proportional controller to the transient process to achieve a quick response and applies the DOB-CPC to the steady state to achieve a small position error. Numerical experiments are conducted to verify the good performance of the proposed pointing controller(i.e., DOB-CPC) for rejecting the disturbance acting on LCT.

关键词： instrumentation:miscellaneous methods:analytical methods:numerical telescopes

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