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19th IFAC World Congress on International Federation of Automatic control, IFAC 2014

作者： Rezaee, Hamed Abdollahi, Farzaneh Center of Excellence on Control and Robotics Department of Electrical Engineering AmirKabir University of Technology Tehran Iran Department of Electrical and Computer Engineering Concordia University MontrealQC Canada

ISBN: (纸本)9783902823625

Pursuit formation control of double-integrator Multi-Agent Systems (MASs) is considered in this paper. To achieve a formation, a hierarchical control scheme is proposed in two layers. In the first layer, in a leaderless architecture, each agent pursues another one in a cyclic topology to achieve a regular polygon formation around a centroid, namely, pursuit centroid, and in the second layer, the agents agree on a pursuit centroid around which they pursue each other. Despite existing cyclic pursuit approaches in the literature which are based on agents with kinematic models and constant forward speeds, the proposed approach is based on agents with double-integrator dynamics without speed constraints. Numerical simulations for a team of six agents confirm the accuracy of the proposed control scheme. © IFAC.

关键词： Multi agent systems

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Hybrid systems with memory: Modelling and stability analysis via generalized solutions 19

Hybrid systems with memory: Modelling and stability analysis...

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19th IFAC World Congress on International Federation of Automatic control, IFAC 2014

作者： Liu, Jun Teel, Andrew R. Department of Automatic Control and Systems Engineering University of Sheffield SheffieldS1 3JD United Kingdom Center for Control Dynamical Systems and Computation Department of Electrical and Computer Engineering University of California Santa BarbaraCA93106 United States

ISBN: (纸本)9783902823625

Hybrid systems with memory are dynamical systems exhibiting both hybrid and delay phenomena. We present a general modelling framework for such systems using hybrid functional inclusions, whose generalized solutions are defined on hybrid time domains and evolve in the phase space of hybrid memory arcs equipped with the graphical convergence topology. We prove a general existence result based on some basic conditions on the data of hybrid systems. We further establish sufficient conditions for the stability analysis of hybrid systems with memory using Lyapunov-Razumikhin (L-R) functions. We demonstrate the stability results on a general nonlinear system with switching dynamics and state jumps. © IFAC.

关键词： System stability

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On the chronological understanding of the homogeneous dielectric barrier discharge

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High Voltage 2023年第6期8卷 1132-1150页

作者： Xinpei Lu Zhi Fang Dong Dai Tao Shao Feng Liu Cheng Zhang Dawei Liu Lanlan Nie Chunqi Jiang State Key Laboratory of Advanced Electromagnetic Engineering and Technology School of Electrical and Electronic EngineeringHuazhong University of Science and TechnologyWuhanChina College of Electrical Engineering and Control Science Nanjing Tech TechnologyNanjingChina School of Electric Power South China University of TechnologyGuangzhouChina Institute of Electrical Engineering Chinese Academy of SciencesBeijingChina Frank Reidy Research Center for Bioelectrics Old Dominion UniversityNorfolkVirginiaUSA Department of Electrical and Computer Engineering Old Dominion UniversityNorfolkVirginiaUSA

Dielectric barrier discharges(DBD)are widely utilised non‐equilibrium atmospheric pressure plasmas with a diverse range of applications,such as material processing,surface treatment,light sources,pollution control,and *** the course of several decades,extensive research has been dedicated to the generation of homogeneous DBD(H‐DBD),focussing on understanding the transition from H‐DBD to filamentary DBD and exploring strategies to create and sustain H‐*** paper first discusses the in-fluence of various parameters on DBD,including gas flow,dielectric material,surface conductivity,and mesh ***,a chronological literature review is presented,highlighting the development of H‐DBD and the associated understanding of its un-derlying *** encompasses the generation of H‐DBD in helium,nitrogen,and ***,the paper provides a brief overview of multiple‐current‐pulse(MCP)behaviours in H‐*** objective of this article is to provide a chronological un-derstanding of homogeneous dielectric barrier discharge(DBD).This understanding will aid in the design of new experiments aimed at better comprehending the mechanisms behind H‐DBD generation and ultimately assist in achieving large‐volume H‐DBD in an air environment.

关键词： dielectric barrier pollution

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Adaptive parallel tiled code generation and accelerated auto-tuning

Adaptive parallel tiled code generation and accelerated auto...

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作者： Tavarageri, Sanket Ramanujam, J. Sadayappan, P. Department of Computer Science and Engineering Ohio State University Columbus OH United States School of Electrical Engineering and Computer Science Center for Computation and Technology Louisiana State University United States

Tiling is an important program transformation that is often used to enhance cache locality and to obtain coarse-grained parallelism. In this paper, we address the problem of generating adaptive parametric tiled code for parallel execution contexts;in other words, generating parallel tiled code in which tile sizes can be changed on the fly during execution. Changing of tile sizes during pipelined parallel execution of tiles presents the following fundamental code-generation challenge: the unscanned iteration space may become non-convex. We develop novel solutions for the adaptive parallel tiled code generation problem. Using adaptive tiling, auto-tuning for tile size selection can be accelerated: in a single run of the tiled code, several tile sizes may be tested for their performance and thus expedite auto-tuning. Adaptive tiling is also useful in scenarios where tile sizes need to be dynamically altered to tailor to the changing execution environments, such as dynamically resized caches for power savings. Experimental evaluation on a number of benchmarks demonstrates the effectiveness of the developed approach. © The Author(s) 2013.

关键词： Ion beams

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DESIGN OF LINEAR TIME-VARYING AND NONLINEAR TIME-INVARIANT NETWORKS

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IEEE TRANSACTIONS ON CIRCUIT THEORY 1970年第2期CT17卷 232-&页

作者： DESOER, CA PEIKARI, B Department of Electrical Engineering and Computer Sciences Electronics Research Laboratory University of California Berkeley Calif. 94720 United States Electrical Engineering Department Information and Control Sciences Center Institute of Technology Southern Methodist University Dallas Tex. 75222 United States

This paper considers the design of linear time-varying networks and of nonlinear time-invariant networks, the latter being operated in the small-signal mode. In the first part, the design example considered is a network whose time delay is a prescribed function of time. A quadratic performance criterion 'is formulated and the design is obtained iteratively by steepest descent. The second part of the paper considers the design of a nonlinear timeinvariant network with variable bias sources whose small-signal equivalent network is identical with a given linear time-varying network. Explicit conditions are given under which this can be done.

关键词： Circuit theory Circuit synthesis Network synthesis Delay effects Impedance Laboratories Transfer functions Capacitors Application software

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A transaction assessment method for allocation of transmission services - Reply

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IEEE TRANSACTIONS ON POWER SYSTEMS 1999年第3期14卷 928-928页

作者： Baran, ME Banunarayanan, V Department of Electrical and Computer Engineering North Carolina State University Raleigh NC USA Skaale Energy Control Center Carolina Power and Light Company Raleigh NC USA

Provides information on a study which presented a powerflow based method for an accurate assessment of the impact of a electric transaction on an area/utility. Overview of the transaction assessment method; Descriptio... 详细信息

关键词： Reactive power Power generation Pricing Power system analysis computing Power system economics System testing Costs Power systems Power engineering computing Power generation economics

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PILDroid: A System for Detecting the Leakage of Privacy Information using the JNI 8

PILDroid: A System for Detecting the Leakage of Privacy Info...

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8th International Conference on Innovation, Communication and engineering, ICICE 2019

作者： Kim, Yeoneo Kim, Jinseob Liu, Xiao Cheon, Junseok Woo, Gyun Pusan National University Department of Electrical and Computer Engineering Busan Korea Republic of Department of Electrical and Computer Engineering Smart Control Center of Lg Electronics Pusan National University Busan Korea Republic of

ISBN: (纸本)9781728158396

We live in a period of explosive growth of smart device applications. Specifically, the growth rate of Android applications is amazing. And these Android applications often use JNI (Java native interface). However, research on the leakage of private information using JNI is lacking. In this paper, we propose a system for detecting the leakage of private information using JNI. Our system named PILDroid adopts tainted analysis based on static method. PILDroid can perform the analysis more easily and effectively than the assembly-based analysis systems because it decompiles a JNI into LLVM IR instead of assembly language. And this paper demonstrates an experiment to verify the precision and performance. For the test data, we selected five Android applications: three of which are well known malware, two of which are malware made by us. And experiment results, PILDroid determined that there has a leak of privacy information flow from five malware. © 2019 IEEE.

关键词： Static analysis

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Event-triggered leader-following formation control for multi-agent systems under communication faults: application to a fleet of unmanned aerial vehicles

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Journal of Systems engineering and Electronics 2021年第5期32卷 1014-1022页

作者： VAZQUEZ TREJO Juan Antonio GUENARD Adrien ADAM-MEDINA Manuel PONSART Jean-Christophe CIARLETTA Laurent ROTONDO Damiano THEILLIOL Didier Research Center for Automatic Control of Nancy University of LorraineNancy F-54000France Electronic Engineering Department National Institute of Technology of MexicoCuernavaca Morelos 62490Mexico Lorraine Research Laboratory in Computer Science and Its Applications University of LorraineNancy F-54000France University of Stavanger Department of Electrical and Computer EngineeringStavanger 4021Norway

The main contribution of this paper is the design of an event-triggered formation control for leader-following consensus in second-order multi-agent systems(MASs)under communication *** the agents must follow the trajectories of a virtual leader despite communication faults considered as smooth time-varying delays dependent on the distance between the *** matrix inequalities(LMIs)-based conditions are obtained to synthesize a controller gain that guarantees stability of the synchronization *** on the closed-loop system,an event-triggered mechanism is designed to reduce the control law update and information exchange in order to reduce energy *** proposed approach is implemented in a real platform of a fleet of unmanned aerial vehicles(UAVs)under communication faults.A comparison between a state-of-the-art technique and the proposed technique has been provided,demonstrating the performance improvement brought by the proposed approach.

关键词： event-triggered leader-following consensus communication fault formation control unmanned aerial vehicle(UAV) experimental result

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Three-phase full-bridge converters applied to switched reluctance motor drives with a modified switching strategy

Three-phase full-bridge converters applied to switched reluc...

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International Conference on electrical Machines and Systems

作者： Somsiri, P. Tungpimonrut, K. Aree, P. Industrial Control and Automation Lab. National Electronics and Computer Technology Center Thailand Department of Electrical Engineering Thammasat University Thailand

ISBN: (纸本)9788986510089

This paper presents an improved switching strategy for three-phase full-bridge converters applied to switched reluctance motor (SRM) drives. The modified switching strategy is based on the idea that in every electrical cycle the two switches in same leg of the converter alternate their commutating without using dead time. This drive method has several advantages including low cost, compactness, no dead time required, reduced number of switching pulses, and consequently reduced switching loss. The proposed method is analyzed and the experimental is investigated on 1.5 kW, three-phase 6/4 poles SRM which is designed for small electric vehicles by using standard three-phase full-bridge converter. The experimental results have confirmed an acceptable performance of this proposed technique.

关键词： switched reluctance motor three-phase full-bridge converter switching strategy two-phase excitation

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Microgrid Energy Management with Energy Storage Systems:A Review

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CSEE Journal of Power and Energy Systems 2023年第2期9卷 483-504页

作者： Xiong Liu Tianyang Zhao Hui Deng Peng Wang Jizhen Liu Frede Blaabjerg Energy Electricity Research Center Jinan UniversityZhuhai 519070China School of Electrical and Electronic Engineering Nanyang Technological University639798 Singapore School of Control and Computer Engineering North China Electric Power UniversityBeijing 102206China Department of Energy Technology at Aalborg University Denmark

Microgrids(MGs)are playing a fundamental role in the transition of energy systems towards a low carbon future due to the advantages of a highly efficient network architecture for flexible integration of various DC/AC loads,distributed renewable energy sources,and energy storage systems,as well as a more resilient and economical on/off-grid control,operation,and energy ***,MGs,as newcomers to the utility grid,are also facing challenges due to economic deregulation of energy systems,restructuring of generation,and marketbased *** paper comprehensively summarizes the published research works in the areas of MGs and related energy management modelling and solution ***,MGs and energy storage systems are classified into multiple branches and typical combinations as the backbone of MG energy ***,energy management models under exogenous and endogenous uncertainties are summarized and extended to transactive energy *** programming,adaptive dynamic programming,and deep reinforcement learning-based solution methods are investigated accordingly,together with their implementation ***,problems for future energy management systems with dynamics-captured critical component models,stability constraints,resilience awareness,market operation,and emerging computational techniques are discussed.

关键词： Architecture energy management energy storage systems microgrids optimization uncertainty models

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