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IEEE Power and Energy Society General Meeting

作者： Mingyang Li Peter B. Luh Eugene Litvinov Peng Zhang Center for Intelligent and Networked Systems (CFINS) Department of Automation Tsinghua National Laboratory for Information Science & Technology (TNLIST) Tsinghua University Dept. of Electrical & Computer Engineering University of Connecticut ISO New England Inc.

ISBN: (纸本)9781457710001

In future power systems, the Smart Grid technologies will bring in a large number of new entities, which are different from those in the current systems in two major aspects: first, the entities are geographically distributed throughout the system with their detailed information not available to the system operator, and second, the entities tend to autonomously optimize their own benefits. In view of both aspects, it is difficult to use the current centralized framework to operate future systems. In this paper, we present and analyze a new partially decentralized framework and the corresponding mechanisms as one step from the current framework toward the future ones, and the focus is on the real time electricity markets with a dispatch cycle of five minutes. In each dispatch cycle, the system operator posts electricity price forecasts, and individual entities actively respond to the prices to dispatch themselves. The system-wide power imbalance is used as a correction term in the next dispatch cycle to iteratively update the price forecasts, so that system balance is maintained in the long term. The new framework can accommodate the large number of entities without knowing their detailed information, and enable the entities to achieve better economic benefits. Small examples are used to analyze our framework and to compare it with the current one.

关键词： System operation Autonomous entities Renewable generation Decentralized Real time market Electricity price Decentralized Operating systems Dispatching Electricity pricing Frameworks power systems correct entry Smart grids Prices

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Coordinating a society of switch agents for power distribution service restoration in a smart grid

Coordinating a society of switch agents for power distributi...

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International Conference on Intelligent systems Applications to Power systems (ISAP)

作者： Wan-Yu Yu Von-Wun Soo Men-Shen Tsai Yen-Bo Peng Institute of Information Systems and Applications National Tsing Hua University Hsinchu Taiwan Department of Computer Science Naitonal Tsing Hua Unviersity Hsinchu Taiwan Graduate Institute of Automation Technology National Taipei University of Technology Taipei Taiwan Department of Computer Science National Tsing Hua University Hsinchu Taiwan

In this paper, we use advanced multi-agent technologies to establish a smart power grid to solve the power distribution restoration problems. Specifically, we modeled switches in the power distribution systems as intelligent agents who can communicate and coordinate together to find a global optimal solution to the power distribution service restoration problems. We modeled the society of intelligent switch agents as local power committees in a distribution system and propose a coordination method for the distributed local power committees so that they could reach a consensus among many proposed service restoration solutions after faults are detected in the distribution feeders. We show how the local switch agent committees find the global optimal restoration solution to all local power demand issues through communicating and propagating the power demand issues, proposing local candidate solutions and combine issues and solutions and finally finding solution by constraint satisfaction. We also compare our multiagent approach to the traditional methods and benchmark problems from power restoration research literatures and show satisfactory performance results.

关键词： Switches Power demand Proposals Power distribution Protocols Benchmark testing Electronic mail

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Introduction

Communications and Control Engineering

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Communications and Control Engineering 2011年第9780857292551期 1-15页

作者： Sun, Zhendong Ge, Shuzhi Sam College Automation Science & Engineering Center for Control and Optimization South China University of Technology Guangzhou510640 China Department of Electrical and Computer Engineering The National University of Singapore Singapore Singapore Robotics Institue and Institute of Intelligent Systems and Information Technology University of Electronic Science and Technology of China Chengdu China

Chapter 1 briefly introduces the problem formations and the organization of the book. In particular, given a feasible set of switching signals, the concepts of stability and stabilizability are introduced, and the related problems of stability and stabilization are briefly formulated and discussed. Examples and simulations are provided to exhibit the primary features of the problems with various switching mechanisms. © 2011, Springer-Verlag London Limited.

关键词： Stabilization

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On the impact of embedded knowledge-based systems

On the impact of embedded knowledge-based systems

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IEEE Workshop on Advanced Robotics and its Social Impacts, ARSO

作者： Joachim Hertzberg Thomas Wiemann Sven Albrecht Martin Günther Kai Lingemann Florian Otte Stephan Scheuren Thomas Schüler Jochen Sprickerhof Stefan Stiene Department of Electronic Engineering National Kaohsiung University of Applied Sciences Kaohsiung Taiwan Department of Power Electrical Systems University of Zilina Zilina Slovak Republic Hefei University of Technology School of Computer and Information Hefei Anhui China Department of Automation University of Science and Technology of China Hefei Anhui China Department of Computer Science and Information Engineering National Penghu University of Science and Technology Penghu Taiwan Department of Mathematics and Computer Science Chicago State University Chicago IL USA

Autonomous mobile robots are well visible both in science and in popular media. Significant progress has been made lately in that branch of robotics in all involved aspects of science, technology and engineering. Interesting studies and forecasts have been made how robots, based on the science and technology of mobile robotics, have started to become parts of our lives and will increasingly do so in the future. However, we think that the fascination with the idea of robots - preferably humanoid ones - both in science and in the public has been outshining the topic that is actually making the impact on society here: The science and technology behind these advanced robots, in particular embedded knowledge-based systems (EKBSs). So the question about the societal impact of robotics is actually the question of the impact of EKBSs.

关键词： automation Humans Knowledge based systems Mobile communication Robot sensing systems

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A distributed fault detection methodology for a class of large-scale uncertain input-output discrete-time nonlinear systems

A distributed fault detection methodology for a class of lar...

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IEEE Conference on Decision and Control

作者： Francesca Boem Riccardo M. G. Ferrari Thomas Parisini Marios M. Polycarpou Department of Industrial and Information Engineering DI3 University of Trieste Italy Danieli Automation S.p.A. Buttrio Italy Department of Electrical and Electronic Engineering Imperial College London UK Department of Industrial and Information Engineering University of Trieste Italy KIOS Research Center for Intelligent Systems and Networks Department of Electrical and Computer Engineering University of Cyprus Nicosia Cyprus

This paper extends very recent results on a distributed fault diagnosis methodology for nonlinear uncertain large-scale discrete-time dynamical systems to the case of partial state measurement. The large scale system being monitored is modeled, following a divide et impera approach, as the interconnection of several subsystems that are allowed to overlap sharing some state components. Each subsystem has its own Local Fault Diagnoser: the local detection is based on the knowledge of the local subsystem dynamic model and of an adaptive approximation of the interconnection with neighboring subsystems. A consensus-based estimator is used in order to improve the detectability of faults affecting variables shared among different subsystems. Time-varying threshold functions guaranteeing no false-positive alarms and analytical fault detectability sufficient conditions are presented as well.

关键词： Vectors Fault detection Mathematical model State estimation Uncertainty Fault diagnosis Equations

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Rules-based autonomous obstacle avoidance for mobile robots

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Zhongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Central South University (Science and Technology) 2011年第SUPPL. 1期42卷 493-497页

作者： Wang, Qi-Zhi Xu, De School of Computer Science and Information Technology Beijing Jiaotong University Beijing 100044 China Key Laboratory of Intelligent Control of Complex Systems Institute of Automation Chinese Acad. of Sci. Beijing 100080 China

A real time and autonomous obstacle avoidance method based on rules for mobile robots was presented. Wall- along algorithm was dynamically implemented in unknown environment without collision. The results show that th... 详细信息

关键词： Mobile robots

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Ultrasonic device for non-contact studying of materials 10

Ultrasonic device for non-contact studying of materials

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11th International Conference on computer systems and Technologies, CompSysTech'10

作者： Ilarionov, Raycho Simeonov, Ivan Kilifarev, Hristo Yordanov, Stanimir Shopov, Nikolay Ibrishimov, Hristo Department of Computer Systems and Technologies Technical University of Gabrovo Bulgaria Department of Automation Information and Control Systems Technical University of Gabrovo Bulgaria Department of Computer Systems and Technologies University of Food Technologies - Plovdiv Bulgaria Center for Information Systems and Technologies Technical University of Gabrovo Bulgaria

ISBN: (纸本)9781450302432

In this paper is described the design and implementation of a device for non-contact ultrasonic studying of materials. Presented is a scheme solution of the device, into which are provided several key features for work with purpose for greater versatility. There are presented block diagrams of algorithms of the software necessary for some modes of work of the device with microcontroller PIC16F84A. These modes are related to the way for excitation of the ultrasonic transmitter and the synchronization of measurement. The principle of work of the system is described in details. Copyright © 2010 ACM.

关键词： ultrasonic ultrasonic sensors non-contact method PIC16F84A

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System for non-contact ultrasonic study of mediums and materials intended for embedding into automated manufacturing systems 10

System for non-contact ultrasonic study of mediums and mater...

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11th International Conference on computer systems and Technologies, CompSysTech'10

作者： Yordanov, Stanimir Ilarionov, Raycho Simeonov, Ivan Kilifarev, Hristo Shopov, Nikolay Ibrishimov, Hristo Department of Automation Information and Control Systems Technical University of Gabrovo Bulgaria Department of Computer Systems and Technologies Technical University of Gabrovo Bulgaria Department of Computer Systems and Technologies University of Food Technologies Plovdiv Bulgaria Center for Information Systems and Technologys Technical University of Gabrovo Bulgaria

ISBN: (纸本)9781450302432

The main feature of ultrasound waves is their high frequency, allowing to be broadcast in the form of a narrow beam of rays and their distribution to be examined by the methods of geometrical optics. This allows ultrasound to be used for scientific and applied research. By the nature of distribution and absorption in gases, liquids and solids can be obtained valuable information about the structure and properties of substances. This article examines the use of hardware-software system designed for noncontact ultrasonic study of mediums and materials. Copyright © 2010 ACM.

关键词： Microprogramming

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Lecture Notes in computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics): Preface

Lecture Notes in Computer Science (including subseries Lectu...

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Lecture Notes in computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2011年第PART 3期6677 LNCS卷

作者： Liu, Derong Zhang, Huaguang Polycarpou, Marios Alippi, Cesare He, Haibo Chinese Academy of Sciences Institute of Automation Key Laboratory of Complex Systems and Intelligence Science Beijing 100190 China Northeastern University College of Information Science and Engineering Shenyang Liaoing 110004 China University of Cyprus Dept. of Electrical and Computer Engineering 75 Kallipoleos Avenue 1678 Nicosia Cyprus Politecnico di Milano Dip. di Elettronica e Informazione Piazza L. da Vinci 32 20133 Milano Italy University of Rhode Island Dept. of Electrical Computer and Biomedical Engineering Kingston RI 02881 United States

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Lecture Notes in computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics): Preface

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Lecture Notes in computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2011年第PART 1期6675 LNCS卷

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