检索结果-内蒙古大学图书馆

SSRN 2021年

作者： Liu, Da Gu, Wenyi Zhou, Wenqi He, Wenjia Liu, Lizheng Xu, Ying Zhou, Liang Zhang, Jinlong Liu, Yongdi Lei, Juying National Engineering Research Center of Industrial Wastewater Detoxication and Resource Recovery East China University of Science and Technology 130 Meilong Road Shanghai200237 China Shanghai Geotechnical Engineering Detecting Centre 522 Huanzhen South Road Shanghai200442 China Shanghai Engineering Research Center for Multi-media Environmental Catalysis and Resource Utilization East China University of Science and Technology 130 Meilong Road Shanghai200237 China Key Laboratory for Advanced Materials Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center School of Chemistry and Molecular Engineering East China University of Science and Technology 130 Meilong Road Shanghai200237 China State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process East China University of Science and Technology 130 Meilong Road Shanghai200237 China

Three kinds of hydrogel materials combining MOF-derived magnetic Fe/porous carbon (MagFePC) with sodium alginate (SA), polyacrylic acid (PAA) and agarose (AG) were prepared by different methods for removal of norfloxacin (NOR) antibiotics in simulated wastewater. After comparison, MagFePC/SA hydrogels synthesized by a titration forming method were found to have the advantages of simple preparation, good toughness, abundant pores and high Fenton activity. MagFePC/SA can effectively activate H2O2 to remove NOR under neutral conditions, and there was almost no leaching of iron ions, causing no secondary pollution to the environment. Mechanism study revealed that ·O2- and 1O2 were the main active species for the degradation of NOR pollutants, and cyclic experiments showed the materials still had good degradation ability after repeated cycles indicating good stability and reusability of the materials. More important, we built a simple automated wastewater treatment unit that can completely degrade a 5 mg/L NOR antibiotic solution at a flow rate of 2 mL/min. Current works showed that MagFePC/SA had the advantages of simple synthesis, outstanding degradability, excellent stability and eco-friendly reaction, which was a wastewater treatment material with good prospect for industrial application. © 2021, The Authors. All rights reserved.

关键词： Antibiotics

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$H_{\infty}$ Output Tracking control for Networked Systems With Adaptively Adjusted Event-Triggered Scheme

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IEEE Transactions on Systems, Man, and Cybernetics: Systems 2019年第10期49卷 2050-2058页

作者： Huaicheng Yan Chenyang Hu Hao Zhang Hamid Reza Karimi Xiaowei Jiang Ming Liu Key Laboratory of Advanced Control and Optimization for Chemical Process of Ministry of Education East China University of Science and Technology Shanghai China School of Information Science and Engineering East China University of Science and Technology Shanghai China Department of Control Science and Engineering Tongji University Shanghai China Department of Mechanical Engineering Politecnico di Milan Milan Italy College of Mechatronics and Control Engineering Hubei Normal University Huangshi China Research Center of Satellite Technology Harbin Institute of Technology Harbin China

The H ∞ output tracking control problem of the networked control systems (NCSs) under an adaptively adjusted event-triggered scheme is investigated in this paper. Firstly, a novel adaptively adjusted event-triggered scheme developed in the NCSs with stochastic sensor faults is proposed to choose the necessary packets of sampled data to be transmitted through the networks. Then, the considered system is described as a time-delay system with a delay-distribution for investigation. Based on the established model, a novel stability criterion and the state-feedback controller design with a desired performance of H ∞ output tracking control for the systems are both derived by using Lyapunov functional. An algorithm is also presented to explain the process of adaptively adjusted event-triggered scheme method. Finally, a satellite tracking case is provided to demonstrate the effectiveness of the proposed approach.

关键词： Bandwidth Delays Actuators Communication networks Symmetric matrices Networked control systems

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A framework for high-dimensional robust evolutionary multi-objective optimization 18

A framework for high-dimensional robust evolutionary multi-o...

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2018 Genetic and Evolutionary Computation Conference, GECCO 2018

作者： Du, Wei Tong, Le Tang, Yang Key Laboratory of Advanced Control Optimization for Chemical Processes Ministry of Education East China University of Science and Technology Shanghai China College of Information Mechanical and Electrical Engineering Shanghai Normal University Shanghai China

ISBN: (纸本)9781450357647

This paper proposes a framework for solving high-dimensional robust multi-objective optimization problems. A decision variable classification-based framework is developed to search for robust Pareto-optimal solutions. The decision variables are classified as highly and weakly robustness-related variables based on their contributions to the robustness of candidate solutions. In the case study, an order scheduling problem in the apparel industry is investigated via the proposed framework. The experimental results reveal that the performance of robust evolutionary optimization can be greatly improved via analyzing the properties of decision variables and then decomposing the high-dimensional robust multiobjective optimization problem. © 2018 Association for Computing Machinery.

关键词： Evolutionary algorithms

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Robust ℒ2 disturbance attenuation for a class of uncertain Lipschitz nonlinear systems with input delay

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International Journal of control 2019年第5期92卷 1015-1021页

作者： Zuo, Zongyu Wang, Chunyan Yang, Wen Ding, Zhengtao The Seventh Research Division Beihang University (BUAA) Beijing China School of Automation Science and Electrical Engineering Beihang University (BUAA) Beijing China School of Electrical and Electronic Engineering University of Manchester Manchester UK Key Laboratory of Advanced Control and Optimization for Chemical Processes East China University of Science and Technology Shanghai China

In this paper, we study a robust disturbance attenuation problem that arises when applying the Artstein–Kwon–Pearson reduction transformation for a class of uncertain Lipschitz nonlinear systems with input delay and external disturbances. A conventional predictor-based feedback controller is adopted with the control gain matrix carefully identified by solving a couple of sufficient conditions in terms of linear matrix inequalities. Lyapunov–Krasovskii functionals are constructed to guarantee that the robust disturbance attenuation problem can be solved by the proposed controller. A numerical example is included to validate the performance of the proposed controller. [ABSTRACT FROM AUTHOR]

关键词： Disturbance attenuation input delay Lipschitz nonlinearity parametric uncertainty robust stabilisation

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Stochastic stability of evolutionary prisoner's dilemma

Stochastic stability of evolutionary prisoner's dilemma

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2018 Australian and New Zealand control Conference, ANZCC 2018

作者： Liang, Haili Zhou, Zhao Zhang, Fan Peng, Chen Wang, Yu-Long Shanghai Key Laboratory of Power Station Automation Technology School of Mechatronic Engineering and Automation Shanghai University Shanghai200444 China Key Laboratory of Advanced Control and Optimization for Chemical Processes Ministry of Education East China University of Science and Technology Shanghai200237 China State Key Laboratory of Intelligent Control and Decision of Complex Systems School of Mathematics Southeast University Nanjing China

ISBN: (纸本)9781538666173

In this paper, we study two-player evolutionary prisoner's dilemma on regular graphs and identify the stochastically stable equilibria for infinite populations. We consider four different update rules: Birth-death(BD), death-birth(DB), imitation(IM) and pairwise comparison(PC). With the same values of cost and benefit of cooperation, we show that there is a unique stochastically stable equilibrium for evolutionary prisoner's dilemma on regular graphs. If the benefit-to-cost ratio is larger than k + 2 (k is the degree of a regular graph), the networked game has a higher fraction of cooperators than that for a well-mixed population. Under certain conditions, the lower graph connectivity can lead to the emergence of more cooperators. Besides theoretical analysis, we demonstrate our results through numerical computations and simulations as well. © 2018 IEEE.

关键词： Stochastic systems

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Microbial electrochemistry for bioremediation

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Environmental Science and Ecotechnology 2020年第1期1卷 85-91页

作者： Xiaofei Wang Federico Aulenta Sebastia Puig Abraham Esteve-Nunez Yujie He Yang Mu Korneel Rabaey Center for Microbial Ecology and Technology(CMET) Ghent UniversityCoupure Links 6539000GhentBelgium Centre for Advanced Process Technology for Urban Resource Recovery(CAPTURE) Ghent UniversityBelgium Water Research Institute(IRSA) National Research Council(CNR)Via Salaria Km 2930000015MonterotondoRMItaly LEQUiA.Institute of the Environment University of GironaCampus Montilivi.C/Maria Aurelia Capmany69E-17003GironaCataloniaSpain Department of Analytical Chemistry and Chemical Engineering University of AlcalaCampus UniversitarioCtra.Madrid-Barcelona Km 33.60028871Alcala de HenaresSpain State Key Laboratory of Pollution Control and Resource Reuse(SKL-PCRR) School of the EnvironmentNanjing UniversityXianlin Avenue 163Nanjing210023China Department of Applied Chemistry School of Chemistry and Materials ScienceUniversity of Science and Technology of ChinaHefeiAnhui230026China

Lack of suitable electron donors or acceptors is in many cases the key reason for pollutants to persist in the *** supplementation of electron donors or acceptors is often difficult to control and/or involves chemical additions with limited lifespan,residue formation or other adverse side *** electrochemistry has evolved very fast in the past years–this field relates to the study of electrochemical interactions between microorganisms and solid-state electron donors or *** can be supplied in such so-called bioelectrochemical systems(BESs)at low voltage to provide or extract electrons in a very precise manner.A plethora of metabolisms can be linked to electrical current now,from metals reductions to denitrification and *** this perspective,we provide an overview of the emerging applications of BES and derived technologies towards the bioremediation field and outline how this approach can be game changing.

关键词： electrochemistry precise residue

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Specific index-related process monitoring using a two-step information extraction method

Specific index-related process monitoring using a two-step i...

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第30届中国控制与决策会议

作者： Bo Zhao Bing Song Shuai Tan Hongbo Shi Key Laboratory of Advanced Control and Optimization for Chemical Processes of Ministry of Education East China University of Science and Technology

Specific index-related process monitoring covers a wide range of requirements from industrial production. At present, it is still a challenge to divide into the specific index-related information and the specific index-unrelated information more accurately. In this paper, a two-step information extraction method is presented to solve this problem. In the first step, the overall process variables are separated into a strongly related variable set and a weakly related variable set. In the second step, the two sets are further divided into a specific index-related subset and a specific index-unrelated subset, respectively. Two specific index-related subsets form a new subspace related to the specific index. Two specific index-unrelated subsets are combined into a specific index-unrelated subspace. Two 2 T statistics are built in the specific index-related subspace and the specific index-unrelated subspace, respectively. Finally, the proposed method is applied for Tennessee Eastman(TE). The results indicate the effectiveness of the proposed method.

关键词： specific index process monitoring subspace information extraction

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Semi-Global Containment control of Linear Agents with Actuator Position and Rate Saturation:The State Feedback Case

Semi-Global Containment Control of Linear Agents with Actuat...

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第37届中国控制会议

作者： Zhiyun Zhao Hongbo Shi Key Laboratory of Advanced Control and Optimization for Chemical Processes （East China University of Science and Technology） Ministry of Education

This paper studies semi-global containment control problem for a multi-agent system. Each follower agent in the system is described by a general linear system in the presence of both actuator position and rate saturation. A linear state feedback containment control law is constructed for each follower agent by using low gain approach such that the states of all follower agents will converge to the convex hull formed by the leader agents asymptotically when the communication topology among follower agents is a connected undirect graph and each leader agent is a neighbor of at least one follower agent. Simulation results illustrate the theoretical results.

关键词： Containment control multi-agent systems actuator saturation rate saturation

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A study on the security of public opinion in social networks

A study on the security of public opinion in social networks

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

作者： Long Gao Wen Yang Mengling Wang Key Laboratory of Advanced Control and Optimization for Chemical Processes East China University of Science and Technology Shanghai China

In this paper, we consider the security problem of public opinions when it has terrorists who try to guide people's opinions to malicious ones in social network. First, we propose an opinion dynamics model, which is composed by the suspects, the defenders and the masses. In this model, a set of suspects influenced by the terrorists at the beginning send malicious opinions to their neighbors. Similarly, the defenders spread the government's opinion to resist people's opinions following that of terrorists. Second, we consider the random communication among neighbours, where people can not interact with each other every time. At the last, we provide a sufficient condition to ensure the convergence of the expected opinions of the system. Finally, we provide some numerical examples to illustrate all the derived results.

关键词： Social groups Social network services Security Convergence Mathematical model Government Stability analysis

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Weighted Semi-supervised Orthogonal Factor Analysis Model for Quality-Related process Monitoring

Weighted Semi-supervised Orthogonal Factor Analysis Model fo...

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第37届中国控制会议

作者： Xiaohui Cui Jian Yang Hongbo Shi Key Laboratory of Advanced Control and Optimization for Chemical Processes of Ministry of Education East China University of Science and Technology

Probabilistic model has already been widely used for process monitoring. However, the obtained factors may contain quality-unrelated information, which is harmful to the quality-related process monitoring. Meanwhile, considering the situation of unequal sample rates of process and quality variables, a semi-supervised orthogonal factor analysis(Semi-SOFA) model is presented, further, to improve robustness, Semi-SOFA is extended to weighted form(WSemi-SOFA). This paper performs orthogonal decomposition on the obtained factors, which divides them into two parts: quality-related one and quality-unrelated one. Based on it, the corresponding T statistics are designed to offer quality-related process monitoring, respectively. Besides, SPE statistics are constructed as supplement to monitor residuals. For effectiveness demonstration of the proposed method, TE benchmark is utilized.

关键词： orthogonal decomposition of factor weighted semi-supervised quality-related process monitoring

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