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第35届中国控制会议

作者： SU Xu ZOU Yuanyuan NIU Yugang JIA Tinggang Key Laboratory of Advanced Control and Optimization for Chemical Processes East China University of Science and Technology Automation Division Shanghai Electric Group Co.Ltd

ISBN: (纸本)9781509009107

This paper investigates the problem of event-triggered dual-mode distributed predictive control(DPC) for constrained large-scale linear systems subject to bounded *** on input-to-state stability(ISS) theory,the event-triggering condition involving information of the subsystem itself is derived.A dual-mode predictive control scheme is designed to reduce information exchanges with neighboring *** upper bound of disturbances for ensuring the recursive feasibility and closed-loop stability are ***,a simulation example is given to show that the presented method is able to save computation resources and communication resources while guaranteeing the desired control performance.

关键词： Large-Scale Systems Distributed Predictive control(DPC) Event-Triggered

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Effects of Rounding-off Approximation on Quantization of Complex Networks 35

Effects of Rounding-off Approximation on Quantization of Com...

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第35届中国控制会议

作者： WANG Ying WANG Lin YANG Wen WANG Xiaofan Department of Automation Shanghai Jiao Tong University and Key Laboratory of System Control and Information ProcessingMinistry of Education of China Key Laboratory of Advanced Control and Optimization for Chemical Processes (East China University of Science and Technology) Ministry of Education

ISBN: (纸本)9781509009107

Many networks constructed and investigated in network science are based on quantized weights of edges due to limitation on measurement or for research convenience. In this work, quantization effects on networks properties are investigated based on the eigenvalues of the corresponding Laplacian. Non-integer weights are rounded off to nd that higher rounding-off precision leads to a better approximation of the original networks distribution of eigenvalues, whereas shows no in uence on the quantization results. In contrast to the intuition that larger quantization level always implies a better approximation of the quantized network to the original one, periodic jumping phenomena at the critical quantization level with peak-value decreasing in a power-law relationship are observed in all the real-world networks we investigated. Furthermore, random exchange of weights among edges could in uence the critical quantization level but doesn’t affect the jumping phenomena.

关键词： Quantization Laplacian spectrum Jumping phenomena Round off Power law

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Stabilization of fuzzy-modeled networked system with packet dropouts: An MDADT-based switching approach

Stabilization of fuzzy-modeled networked system with packet ...

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Annual Conference of Industrial Electronics Society

作者： Mengqi Xue Yang Tang Ligang Wu Feng Qian Key Laboratory of Advanced Control and Optimization for Chemical Processes Ministry of Education East China University of Science and Technology Shanghai P.R. China Research Institute of Intelligent Control and Systems School of Astronautics Harbin Institute of Technology Harbin China

In this work, the control problem for type-2 T-S fuzzy system with packet dropouts is investigated by modeling the system as a switched system with an unstable subsystem. The mode-dependent average dwell time approach in both slow and fast switching sense is utilized for the analysis and synthesis. A sufficient condition is given by ensuring the packet loss rate no bigger than the specific fast switching mode-dependent average dwell time (MDADT) and the corresponding feedback matrices are obtained. Several simulation results illustrate the feasibility and effectiveness of the proposed method and the priority of the type-2 fuzzy system on describing some nonlinear systems.

关键词： Switches Fuzzy systems Switched systems Packet loss Uncertainty

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Corrections to “Multi-Sensor Kalman Filtering With Intermittent Measurements” [Mar 18 797-804]

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IEEE Transactions on Automatic control 2018年第5期63卷 1545-1545页

作者： Chao Yang Jianying Zheng Xiaoqiang Ren Wen Yang Hongbo Shi Ling Shi Key Laboratory of Advanced Control and Optimization for Chemical Processes Department of Automation East China University of Science and Technology Shanghai China Department of Electronic and Computer Engineering Hong Kong University of Science and Technology Hong Kong

In the above technical note [ibid., vol. 63, no. 3, pp. 797–804, Mar. 2018], one of the author's names in the byline was misspelled and should have read as follows. Chao Yang, Jianying Zheng, Xiaoqiang Ren, Wen Y... 详细信息

关键词： Kalman filters Stochastic processes Sensor fusion Estimation error

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Unravelling the Synergy between Oxygen Vacancies and Oxygen Substitution in BiO2−xfor Efficient Molecular‐Oxygen Activation

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Angewandte Chemie 2019年第9期132卷

作者： Yueshuang Mao Pengfei Wang Lina Li Zongwei Chen Haitao Wang Yi Li Sihui Zhan MOE Key Laboratory of Pollution Processes and Environmental Criteria Tianjin Key Laboratory of Environmental Remediation and Pollution Control College of Environmental Science and Engineering Nankai University Tianjin 300350 P. R. China School of Energy and Environmental Engineering Hebei University of Technology Tianjin 300401 P. R. China Shanghai Synchrotron Radiation Facility Shanghai Advanced Research Institute Shanghai 201800 P. R. China State Key Laboratory of Molecular Reaction Dynamics Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 P. R. China Department of Chemistry Tianjin University Tianjin 300072 P. R. China

Defects in nanomaterials often lead to properties that are absent in their pristine counterparts. To date, most studies have focused on the effect of single defects, while ignoring the synergy of multiple defects. In this study, a model of photocatalytic O 2 activation was selected to unravel the role of dual defects by decorating bismuth oxide with surface O vacancies and bulk O substitution simultaneously. The introduction of dual defects led to a spatial and electronic synergistic process: i) O substitution induced a local electric field in the bulk of BiO 2− x , which promoted bulk separation of electrons and holes immediately after their generation; ii) O vacancies efficiently lowered the conduction band, served as the capture center for electrons, and thus facilitated the adsorption and activation of O 2 . This effect was greatly promoted by the coexistence of bulk O substitution, and DFT calculations showed that only O substitution near an O vacancy could have this effect.

关键词： Duale Defekte Ladungsnutzung Nanomaterialien Photokatalyse Sauerstoffaktivierung

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External analysis and moving window LoOP based monitoring for a class of multi-mode timevarying process

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IEEE/CAA Journal of Automatica Sinica 2017年

作者： Gao, Yong Wang, Xin Wang, Zhenlei Zhao, Liang Key Laboratory of Advanced Control and Optimization for Chemical Processes U+0028 East China University of Science and Technology U+0029 Ministry of Education Shanghai 200237 China China Center of Electrical and Electronic Technology Shanghai Jiao Tong University Shanghai China China

Moving window local outlier probability U+0028 MWLoOP U+0029 is an outlier detecting method which was proposed for monitoring time-varying industrial processes;however, for the practical industrial processes, besides the timevarying characters caused by deactivation of catalyst, measuring instrument drifting and so on, the operation mode is often switched as the adjusting of the feedstock, changes in market demands and so on. Although the MWLoOP algorithm can deal with the time-varying process data, the multi-mode process data will lead to a mass of false alarm. To solve this problem, an external analysis moving window local outlier probability U+0028 EA-MWLoOP U+0029 algorithm is proposed in this study. The external analysis is employed to eliminate the influence of operation mode change on the process data, then the MWLoOP method can deal with complex distribution time-varying data, and give an outlier probability. Finally, the corresponding statistic and control limit are constructed to detect the process fault. In addition, while the monitoring model is being updated, the control limit is not necessary to update. The performance of this method is evaluated through a case study of a non-isothermal continuous stirred tank reactor U+0028 CSTR U+0029. IEEE

关键词： Computational efficiency

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Formation control of multi-agent systems with direction adjustment

Formation control of multi-agent systems with direction adju...

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Asian control Conference

作者： Yang Tang Zhen Li Qingying Miao Key Laboratory of Advanced Control and Optimization for Chemical Processes East China University of Science and Technology Shanghai China School of Automation Xi-an University of Posts & Telecommunications Xi-an China School of Continuing Education Shanghai Jiao Tong University Shanghai China

ISBN: (纸本)9781509015740;9781509015733

This paper studies a kind of formation control problem with direction adjustment of discrete-time multi-agent systems. Different with existing works, the involving control strategy has a property that, not only promotes the desired formation, but also has rotational behaviors according to the designed direction of control. Based on several mathematical techniques, some sufficient criteria are obtained in terms of algebraic conditions. The obtained criteria show that the actual formation shape is capable of rotate with respect to the desirable direction if the whole systems execute some scheduled targets. Subsequently, an example is provided to illustrate the applicability of the presented formation control.

关键词： Multi-agent systems Shape Protocols Autonomous agents Topology Laplace equations Silicon

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Integral control on nonlinear spaces: two extensions

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IFAC-PapersOnLine 2016年第18期49卷 1000-1005页

作者： Zhang, Zhifei Ling, Zhihao Sarlette, Alain Key Laboratory of Advanced Control and Optimization for Chemical Processes East China University of Science and Technology Department of Electronics & Information Systems Ghent University Shanghai China Key Laboratory of A.C.O.C.P. ECUST Shanghai China Department of Electronics & Information Systems Ghent University QUANTIC lab INRIA Paris France

This paper applies the recently developed framework for integral control on nonlinear spaces to two non-standard cases. First, we show that perfect target stabilization in presence of actuation bias holds also if this bias is state dependent. This might not be surprising, but in practice it provides an easy way to robustly cancel nonlinear dynamics of the uncontrolled plant. We specifically illustrate this for robust stabilization of a pendulum at arbitrary angle. Second, as previous work has been restricted to systems with as many control inputs as configuration dimensions, we here provide results for integral control of a non-holonomic system. More precisely, we design robust steering control of a rigid body under velocity bias. © 2016

关键词： Feedback linearization Lie groups Stabilization Arbitrary angles control inputs Geometric control Integral control Nonholonomic systems Robust stabilization State dependent Steering control

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On set stabilization for genetic regulatory networks 35

On set stabilization for genetic regulatory networks

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第35届中国控制会议

作者： LI Fangfei LI Jianning YU Zhaoxu School of Automation Hangzhou Dianzi University Department of Mathematics East China University of Science and Technology Key Laboratory of Advanced Control and Optimization for Chemical Processes of Ministry of Education East China University of Science and Technology

ISBN: (纸本)9781509009107

Set stabilization for Boolean networks which is a kind of genetic regulatory networks is considered in this paper. An algorithm is provided to achieve the set stability for Boolean networks by changing the columns of the transition matrices of Boolean networks. Then, pinning nodes can be selected. Furthermore, pinning control design algorithm is given. Finally, the model for infection of the bacterium is presented to illustrate the effectiveness of the proposed results.

关键词： Boolean networks set stabilization pinning control semi-tensor product

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Recovering from Feedback Failure in Minimal Time

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IFAC-PapersOnLine 2016年第18期49卷 612-617页

作者： Yu, Zhaoxu Hammer, Jacob Key Laboratory of Advanced Control and Optimization for Chemical Processes of Ministry of Education East China University of Science and Technology No. 130 Meilong Road Shanghai City200237 China Department of Electrical and Computer Engineering University of Florida GainesvilleFL32611-6130 United States

It is well known that feedback failure increases operating errors in control systems. The objective here is to develop controllers that reduce such operating errors in minimal time, once feedback has been restored. It is shown that there are robust optimal feedback controllers that attain this objective, and that the performance of these controllers can be approximated as closely as desired by bang-bang controllers that are easy to derive and implement. © 2016

关键词： Feedback controllers Nonlinear systems Optimization Bang bang controllers Operating errors Optimal controls Optimal Feedback

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