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A Quantized H-infinity control for networked control systems with time-varying delay and multiple packet dropouts

Kongzhi Lilun Yu Yingyong/control Theory and Applications 2013年第4期30卷 469-474页

作者： Yan, Huai-Cheng Su, Zhen-Zhen Zhang, Hao Yang, Fu-Wen Key Laboratory of Advanced Control and Optimization for Chemical Processes of Ministry of Education East China University of Science and Technology Shanghai 200237 China School of Information Science and Engineering East China University of Science and Technology Shanghai 200237 China Department of Control Science and Engineering Tongji University Shanghai 200092 China

This paper is concerned with the problem of quantized H-infinity control for networked control systems (NCSs) with time-varying delay and multiple packet dropouts. The packet dropouts in both the measurement channel and the control channel are considered simultaneously, and are modeled as stochastic variables with Bernoulli random binary distribution. Both the control input and measurement output are quantized before transmission and the quantization errors are described as sector-bound uncertainties. Sufficient conditions for the existence of an observer-based, delay-dependent controller are developed to ensure the exponentially mean-square stability of the closed-loop system and to achieve the optimal H-infinity disturbance attenuation. A numerical example is given to illustrate the effectiveness of the proposed method.

关键词： Networked control systems

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Corrigendum to “Research on data reconciliation based on generalized T distribution with historical data” [Neurocomputing 175PA (2015) 808–815]

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Neurocomputing 2016年 177卷 670-670页

作者： Shengxi Wu Qiang Ye Cheng Chen Xingsheng Gu Key Laboratory of Advanced Control and Optimization for Chemical Processes Ministry of Education East China University of Science and Technology No. 130 of Meilong Road Shanghai 200237 China

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Variable population memetic search: A case study on the critical node problem

arXiv

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arXiv 2019年

作者： Zhou, Yangming Hao, Jin-Kao Fu, Zhang-Hua Wang, Zhe Lai, Xiangjing School of Information Science and Engineering East China University of Science and Technology 130 Meilong Road Shanghai200237 China Key Laboratory of Advanced Control and Optimization for Chemical Processes Ministry of Education Department of Computer Science LERIA Université d'Angers 2 Boulevard Lavoisier Angers49045 France Institut Universitaire de France 1 rue Descartes Paris75231 France Robotics Laboratory for Logistics Service Institute of Robotics and Intelligent Manufacturing Chinese University of Hong Kong Shenzhen Institute of Artificial Intelligence and Robotics for Society Shenzhen518172 China Institute of Advanced Technology Nanjing University of Posts and Telecommunications Nanjing210023 China

Population-based memetic algorithms have been successfully applied to solve many difficult combinatorial problems. Often, a population of fixed size was used in such algorithms to record some best solutions sampled during the search. However, given the particular features of the problem instance under consideration, a population of variable size would be more suitable to ensure the best search performance possible. In this work, we propose variable population memetic search (VPMS), where a strategic population sizing mechanism is used to dynamically adjust the population size during the memetic search process. Our VPMS approach starts its search from a small population of only two solutions to focus on exploitation, and then adapts the population size according to the search status to continuously influence the balancing between exploitation and exploration. We illustrate an application of the VPMS approach to solve the challenging critical node problem (CNP). We show that the VPMS algorithm integrating a variable population, an effective local optimization procedure (called diversified late acceptance search) and a backbone-based crossover operator performs very well compared to state-of-the-art CNP algorithms. The algorithm is able to discover new upper bounds for 13 instances out of the 42 popular benchmark instances, while matching 23 previous best-known upper bounds. Copyright © 2019, The Authors. All rights reserved.

关键词： Population statistics

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One Stone Two Bird:Reduced Oxide Graphene Supported G-C3n4 Quantum Dots Implements Efficient Capturing/Catalytic Polysulfides Conversion and High Sulfur Loading for Lithium-Sulfur Battery

SSRN

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SSRN 2023年

作者： Zhao, Dengke Xu, Zirui Yu, Xiaolong Chen, Minzhe Wu, Oikai Zhou, Kai Zhou, Wei Ma, Liang Wang, Nan School of Materials Science and Engineering Henan Normal University Xinxiang453007 China Guangdong Provincial Key Laboratory of Petrochemical Pollution Processes and Control School of Environmental Science and Engineering Guangdong University of Petrochemical Technology Guangdong Maoming525000 China College of Environment and Energy School of Environment and Energy South China University of Technology Guangzhou Higher Education Mega Center Guangzhou510006 China Center for Advanced Analytical Science School of Chemistry and Chemical Engineering Guangzhou University Guangzhou510006 China Siyuan Laboratory Guangzhou Key Laboratory of Vacuum Coating Technologies and New Energy Materials Department of Physics Jinan University Guangdong Guangzhou510632 China

Simultaneously increasing the sulfur (S) loading and enhancing the adsorption/catalytic capacity towards lithium polysulfides (LiPSs) is necessary to design efficient carbon-based sulfur cathode for lithium-sulfur batteries (LSBs). Herein, two-dimensional reduced graphene nanosheets supported g-C3N4 quantum dots (rGO/g-C3N4 QD) composites are prepared as novel cathode materials for LSBs. Theoretical calculation and characterization show that the rGO/g-C3N4 QD can fully play each other's strengths, where rGO nanosheets with high conductive and abundant mesoporous structure achieve high S utilization and accelerate Li+ /charge transfer, C3N4 QDs with high polar enhances the capture and catalytic capabilities for LiPSs, thus inhibiting the "shuttle effect" and boosting the kinetics. Therefore, the S@rGO/C3N4 QDs cathode displays the excellent initial specific capacity (1013.9 mAh g-1) at 1C and retention capacity (935.2 mAh g-1) after 500 cycles (capacity decay of 0.016% each cycle). Even under high S loadings (16.2 mg cm-2) and poor electrolyte condition (E/S ratio is 6.0 μL/mg), it also delivers the superior initial areal capacity (16.1 mA cm-2). This study enriches the design strategies to cheap and excellent carbon-based S cathode. © 2023, The Authors. All rights reserved.

关键词： Polysulfides

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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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Emerging contaminants:A One Health perspective

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The Innovation 2024年第4期5卷 140-170,139页

作者： Fang Wang Leilei Xiang Kelvin Sze-Yin Leung Martin Elsner Ying Zhang Yuming Guo Bo Pan Hongwen Sun Taicheng An Guangguo Ying Bryan WBrooks Deyi Hou Damian EHelbling Jianqiang Sun Hao Qiu Timothy MVogel Wei Zhang Yanzheng Gao Myrna JSimpson Yi Luo Scott XChang Guanyong Su Bryan MWong Tzung-May Fu Dong Zhu Karl JJobst Chengjun Ge Frederic Coulon Jean Damascene Harindintwali Xiankui Zeng Haijun Wang Yuhao Fu Zhong Wei Rainer Lohmann Changer Chen Yang Song Concepcion Sanchez-Cid Yu Wang Ali El-Naggar Yiming Yao Yanran Huang Japhet Cheuk-Fung Law Chenggang Gu Huizhong Shen Yanpeng Gao Chao Qin Hao Li Tong Zhang Natàlia Corcoll Min Liu Daniel SAlessi Hui Li Kristian KBrandt Yolanda Pico Cheng Gu Jianhua Guo Jianqiang Su Philippe Corvini Mao Ye Teresa Rocha-Santos Huan He Yi Yang Meiping Tong Weina Zhang Fidèle Suanon Ferdi Brahushi Zhenyu Wang Syed AHashsham Marko Virta Qingbin Yuan Gaofei Jiang Louis A.Tremblay Qingwei Bu Jichun Wu Willie Peijnenburg Edward Topp Xinde Cao Xin Jiang Minghui Zheng Taolin Zhang Yongming Luo Lizhong Zhu Xiangdong Li DamiàBarceló Jianmin Chen Baoshan Xing Wulf Amelung Zongwei Cai Ravi Naidu Qirong Shen Janusz Pawliszyn Yong-guan Zhu Andreas Schaeffer Matthias C.Rillig Fengchang Wu Gang Yu James M.Tiedje State Key Laboratory of Soil and Sustainable Agriculture Institute of Soil ScienceChinese Academy of SciencesNanjing 210008China University of Chinese Academy of Sciences Beijing 100049China Department of Chemistry Hong Kong Baptist UniversityHong KongChina HKBU Institute of Research and Continuing Education Shenzhen Virtual University ParkShenzhenChina Technical University of Munich TUM School of Natural SciencesInstitute of Hydrochemistry85748 GarchingGermany School of Resources&Environment Northeast Agricultural UniversityHarbin 150030China Climate Air Quality Research UnitSchool of Public Health and Preventive MedicineMonash UniversityMelbourneVICAustralia Faculty of Environmental Science&Engineering Kunming University of Science&TechnologyKunming 650500China Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria College of Environmental Science and EngineeringNankai UniversityTianjin 300350China Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control School of Environmental Science and EngineeringInstitute of Environmental Health and Pollution ControlGuangdong University of TechnologyGuangzhou 510006China Ministry of Education Key Laboratory of Environmental Theoretical Chemistry South China Normal UniversityGuangzhouGuangdong 510006China Department of Environmental Science Baylor UniversityWacoTXUSA Center for Reservoir and Aquatic Systems Research(CRASR) Baylor UniversityWacoTXUSA School of Environment Tsinghua UniversityBeijing 100084China School of Civil and Environmental Engineering Cornell UniversityIthacaNY 14853USA Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province Zhejiang University of TechnologyHangzhou 310014China School of Environmental Science and Engineering Shanghai Jiao Tong UniversityShanghai 200240China Laboratoire d’Ecologie Microbienne Universite Claude Bernard Lyon 1UMR CNRS 5557UMR INRAE 1418VetAgro Sup69622 VilleurbanneFrance Department of Pla

Environmental pollution is escalating due to rapid global development that often prioritizes human needs over planetary *** global efforts to mitigate legacy pollutants,the continuous introduction of new substances remains a major threat to both people and the *** response,global initiatives are focusing on risk assessment and regulation of emerging contaminants,as demonstrated by the ongoing efforts to establish the UN’s Intergovernmental Science-Policy Panel on chemicals,Waste,and Pollution *** review identifies the sources and impacts of emerging contaminants on planetary health,emphasizing the importance of adopting a One Health *** for monitoring and addressing these pollutants are discussed,underscoring the need for robust and socially equitable environmental policies at both regional and international *** actions are needed to transition toward sustainable pollution management practices to safeguard our planet for future generations.

关键词： pollution planet contaminants

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Multi-Convergence-Angle Ptychography with Simultaneous Strong Contrast and High Resolution

arXiv

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arXiv 2024年

作者： Mao, Wei Zhang, Weiyang Huang, Chen Zhou, Liqi Kim, Judy S. Gao, Si Lei, Yu Wu, Xiaopeng Hu, Yiming Pei, Xudong Fang, Weina Liu, Xiaoguo Song, Jingdong Fan, Chunhai Nie, Yuefeng Kirkland, Angus I. Wang, Peng National Laboratory of Solid-State Microstructures Jiangsu Key Laboratory of Artificial Functional Materials College of Engineering and Applied Sciences Collaborative Innovation Centre of Advanced Microstructures Nanjing University Nanjing210093 China Department of Physics University of Warwick CoventryCV4 7AL United Kingdom The Rosalind Franklin Institute Harwell Campus DidcotOX11 0QX United Kingdom Department of Materials University of Oxford Parks Road OxfordOX1 3PH United Kingdom Institute of Materiobiology College of Science Shanghai University Shanghai200444 China College of Materials Science and Engineering Nanjing Tech University Nanjing210009 China Shanghai Key Laboratory of Green Chemistry and Chemical Processes Department of Chemistry School of Chemistry and Molecular Engineering East China Normal University Shanghai200241 China School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules National Center for Translational Medicine Shanghai Jiao Tong University Shanghai200240 China State Key Laboratory of Infectious Disease Prevention and Control National Institute for Viral Disease Control and Prevention Chinese Center for Disease Control and Prevention Beijing100052 China

Advances in bioimaging methods and hardware facilities have revolutionised the determination of numerous biological structures at atomic or near-atomic resolution. Among these developments, electron ptychography has recently attracted considerable attention because of its superior resolution, remarkable sensitivity to light elements, and high electron dose efficiency. Here, we introduce an innovative approach called multi-convergence-angle (MCA) ptychography, which can simultaneously enhance both contrast and resolution with continuous information transfer across a wide spectrum of spatial frequency. Our work provides feasibility of future applications of MCA-ptychography in providing high-quality two-dimensional images as input to three-dimensional reconstruction methods, thereby facilitating more accurate determination of biological structures. Copyright © 2024, The Authors. All rights reserved.

关键词： Bioimaging

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Global diversity and distribution of antibiotic resistance genes in human wastewater treatment systems

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Nature Communications 2025年第1期16卷 1-14页

作者： Zhu, Congmin Wu, Linwei Ning, Daliang Tian, Renmao Gao, Shuhong Zhang, Bing Zhao, Jianshu Zhang, Ya Xiao, Naijia Wang, Yajiao Brown, Mathew R. Tu, Qichao Zhuang, Weiqin Zhou, Hongde Zheng, Wanlin Zhang, Wen Zhang, Qian Zhang, Chiqian Young, Michelle Yang, Min Yan, Tao Xi, Chuanwu Wu, Liyou Wu, Jer-Horng Woo, Sung-Geun West, Stephanie Weaver, Joseph E. Wang, Bei Wakelin, Steve Van Nostrand, Joy D. Tooker, Nicholas B. Sun, Chenxiang Stephens, Kyle de Sousa, Oscarina Viana Smith, Kylie Sidhu, Jatinder Rossetti, Simona de los Reyes, Francis L. Reginatto, Valeria Parameswaran, Prathap Palmer, Andrew Meyers, Arthur J. de Menezes, Francisca Gleire Rodriguez Mendonça-Hagler, Leda C. Liu, Yu Li, Mengyan Li, Zhenxin Li, Yong Lee, Zarraz MP Leal, Cintia Dutra Kumari, Sheena Keucken, Alexander Marcantini, Deborah Garbani Johnson, David R. Hu, Zhiqiang Horn, Harald Harmon, Marc Hale, Lauren Habagil, Moshe Gu, April Z. Griffin, James S. Gómez, Janeth Sanabria Ford, Amanda Etchebehere, Claudia Chen, Si Cabrol, Léa Cabezas, Angela Bux, Faizal Brewster, Rebecca K. Bovio-Winkler, Patricia Bott, Charles B. Bond, Philip Boehnke, Kevin de Abreu Mac Conell, Érika Ferreira de Araujo, Juliana Calabria Agullo-Barcelo, Miriam Acevedo, Dany Ju, Feng Wells, George F. Guo, Jianhua He, Zhili Nielsen, Per H. Wang, Aijie Zhang, Yu Chen, Ting He, Qiang Criddle, Craig S. Wagner, Michael Tiedje, James M. Curtis, Thomas P. Wen, Xianghua Yang, Yunfeng Alvarez-Cohen, Lisa Stahl, David A. Alvarez, Pedro J. J. Rittmann, Bruce E. Zhou, Jizhong School of Biomedical Engineering Capital Medical University Beijing China Beijing Key Laboratory of Fundamental Research on Biomechanics in Clinical Application Capital Medical University Beijing China Institute for Environmental Genomics University of Oklahoma Norman OK United States Institute of Ecology Key Laboratory for Earth Surface Processes of the Ministry of Education College of Urban and Environmental Sciences Peking University Beijing China Institute for Food Safety and Health Illinois Institute of Technology Bedford Park IL United States State Key Joint Laboratory of Environment Simulation and Pollution Control School of Environment Tsinghua University Beijing China College of Life and Environmental Sciences Minzu University of China Beijing China Center for Bioinformatics and Computational Biology School of Biological Sciences Georgia Institute of Technology Atlanta GA United States School of Engineering Newcastle University Newcastle upon Tyne United Kingdom Institute for Marine Science and Technology Shandong University Qingdao China Key Laboratory of Coastal Environment and Resources of Zhejiang Province School of Engineering Westlake University Zhejiang Hangzhou China Institute of Advanced Technology Westlake Institute for Advanced Study Zhejiang Hangzhou China Department of Civil and Environmental Engineering Northwestern University Evanston IL United States Australian Centre for Water and Environmental Biotechnology The University of Queensland Brisbane QLD Australia Southern Marine Science and Engineering Guangdong Laboratory Zhuhai China College of Agronomy Hunan Agricultural University Changsha China Department of Chemistry and Bioscience Center for Microbial Communities Aalborg University Aalborg Denmark Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing China State Key Laboratory of Environmental Aquatic Chemistry Research Center for Eco-Environmental Sciences University of Chinese Academy of

Antibiotic resistance poses a significant threat to human health, and wastewater treatment plants (WWTPs) are important reservoirs of antibiotic resistance genes (ARGs). Here, we analyze the antibiotic resistomes of 226 activated sludge samples from 142 WWTPs across six continents, using a consistent pipeline for sample collection, DNA sequencing and analysis. We find that ARGs are diverse and similarly abundant, with a core set of 20 ARGs present in all WWTPs. ARG composition differs across continents and is distinct from that of the human gut and the oceans. ARG composition strongly correlates with bacterial taxonomic composition, with Chloroflexi, Acidobacteria and Deltaproteobacteria being the major carriers. ARG abundance positively correlates with the presence of mobile genetic elements, and 57% of the 1112 recovered high-quality genomes possess putatively mobile ARGs. Resistome variations appear to be driven by a complex combination of stochastic processes and deterministic abiotic factors. © The Author(s) 2025.

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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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Unraveling the Interfacial Charge Migration Pathway at the Atomic Level in a Highly Efficient Z‐Scheme Photocatalyst

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Angewandte Chemie 2019年第33期131卷

作者： Pengfei Wang Yueshuang Mao Lina Li Zhurui Shen Xiao Luo Kaifeng Wu Pengfei An Haitao Wang Lina Su 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 Shanghai Synchrotron Radiation Facility Shanghai Advanced Research Institute Shanghai 201800 P. R. China School of Materials Science and Engineering Nankai University Tianjin 300350 P. R. China State Key Laboratory of Molecular Reaction Dynamics Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 P. R. China Beijing Synchrotron Radiation Facility Institute of High Energy Physics Chinese Academy of Sciences Beijing 100049 P. R. China Department of Chemistry Tianjin University Tianjin 300072 P. R. China

A highly efficient Z‐scheme photocatalytic system constructed with 1D CdS and 2D CoS 2 exhibited high photocatalytic hydrogen‐evolution activity of 5.54 mmol h −1 g −1 with an apparent quantum efficiency of 10.2 % at 420 nm. More importantly, its interfacial charge migration pathway was unraveled: The electrons are efficiently transferred from CdS to CoS 2 through a transition atomic layer connected by Co–S 5.8 coordination, thus resulting in more photogenerated carriers participating in surface reactions. Furthermore, the charge‐trapping and charge‐transfer processes were investigated by transient absorption spectroscopy, which gave an estimated charge‐separation yield of approximately 91.5 % and a charge‐separated‐state lifetime of approximately (5.2±0.5) ns in CdS/CoS 2 . This study elucidates the key role of interfacial atomic layers in heterojunctions and will facilitate the development of more efficient Z‐scheme photocatalytic systems.

关键词： Direkte Z-Schema-Photokatalysatoren Heteroübergänge Ladungsmigration Photokatalyse Schnittstellen

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