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International Electron Devices Meeting (IEDM)

作者： Megumi Ishiduki Yoshiaki Fukuzumi Ryota Katsumata Masaru Kito Masaru Kido Hiroyasu Tanaka Yosuke Komori Yuzo Nagata Tomoko Fujiwara Takashi Maeda Yoshimasa Mikajiri Shigeto Oota Makoto Honda Yoshihisa Iwata Ryouhei Kirisawa Hideaki Aochi Akihiro Nitayama Center of Semiconductor Research & Development Semiconductor Company Toshiba Corporation Yokohama Japan Toshiba Information Systems슠(Japan)슠Corporation Yokohama Japan Memory Division Semiconductor Company TOSHIBA Corporation Yokohama Japan Process & Manufacturing Engineering Center Semiconductor Company TOSHIBA Corporation Yokohama Japan

An asymmetric source/drain profile for select gate and metal salicided control gate are successfully realized on Pipe-shaped Bit Cost Scalable (P-BiCS) Flash memory to achieve data storage device with excellent perfor... 详细信息

关键词： Flash memory Stereolithography Character generation Semiconductor device reliability Wiring Shape control FETs Leakage current Information systems Manufacturing processes

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Evolutionary robotics: The next-generation-platform for on-line and on-board artificial evolution

Evolutionary robotics: The next-generation-platform for on-l...

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Congress on Evolutionary Computation

作者： S. Kernbach E. Meister O. Scholz R. Humza J. Liedke L. Ricotti J. Jemai J. Havlik W. Liu Institute of Parallel and Distributed Systems University of Stuttgart Stuttgart Germany Fraunhofer Institute of Biomedical Engineering Sankt Ingbert Germany Institute of Process Control and Robotics University of Karlsruhe Karlsruhe Germany Scuola Superiore Pontedera Italy Ubisense AG Munich Germany IMA Prague Czech Republic University of West of England Bristol UK

In this paper we present the development of a new self-reconfigurable robotic platform for performing on-line and on-board evolutionary experiments. The designed platform can work as an autonomous swarm robot and can undergo collective morphogenesis to actuate in different morphogenetic structures. The platform includes a dedicated power management, rich sensor mechanisms for on-board fitness measurement as well as very powerful distributed computational system to run learning and evolutionary algorithms. The whole development is performed within several large European projects and is open-hardware and open-software.

关键词： Robot sensing systems Organisms Orbital robotics Hardware Biological system modeling Parallel robots Humans Space exploration Sensor phenomena and characterization Computational modeling

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Data Mining Based Feedback Regulation in Operation of Hematite Ore Mineral processing Plant

Data Mining Based Feedback Regulation in Operation of Hemati...

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2009 American control Conference (ACC 2009)

作者： Jinliang Ding Qi Chen Tianyou Chai Hong Wang Chun-Yi Su Key Laboratory of Integrated Automation of Process Industry (Northeastern University) Ministry of Education and Research Center of Automation Northeastern University Shenyang 110004 China Control Systems Centre The University of Manchester Manchester M60 1QD UK Department of Mechanical Engineering Concordia University Montreal Quebec H3G 1M8 Canada

ISBN: (纸本)9781424445233

To deal with the variation of production operation of the mineral processing plant, the data-mining based feedback regulation strategy is proposed to compensate the open loop steady state setting of the production unit at the plant-wide level. Rough set and increment association rule learning are used for the feedback regulation rule extraction from the historical operation data. To realize the feedback compensator two steps are carried out: (1) Determining the variables to be compensated based on rough set, (2) Mining the compensation rules through the increment association rule learning and rough set. The efficiency of the proposed strategy is proven by the experiments.

关键词： Data mining Ores Minerals control systems Production Steady-state Association rules Optimal control Feedback loop State feedback

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Project neptune: Improved operation of water distribution networks

Project neptune: Improved operation of water distribution ne...

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Contemporary Topics in Ground Modification, Problem Soils, and Geo-Support - 2009 International Foundation Congress and Equipment Expo

作者： Savic, D.A. Boxall, J.B. Ulanicki, B. Kapelan, Z. Makropoulos, C. Fenner, R. Soga, K. Marshall, I.W. Maksimovic, C. Postlethwaite, I. Ashley, R. Graham, N. Centre for Water Systems University of Exeter Harrison Building North Park Road Exeter Devon EX4 4QF United Kingdom Pennine Water Group Dept. Civil and Struct. Eng. University of Sheffield Mappin St. Sheffield South Yorkshire S1 3JD United Kingdom De Montfort University Process Control-Water Software Systems Leicester United Kingdom Department of Engineering University of Cambridge Trumpington Street Cambridge CB2 1PZ United Kingdom Lancaster University Lancaster Environment Centre Lancaster Lancs LA1 4YQ United Kingdom Environmental and Water Resource Engineering Imperial College London South Kensington London SW7 2AZ United Kingdom University of Leicester University Road Leicester LE1 7RH United Kingdom

ISBN: (纸本)9780784410233

Water service providers (WSPs) in the UK have statutory obligations to supply drinking water to all customers that complies with increasingly stringent water quality regulations and minimum flow and pressure criteria. At the same time, the industry is required by regulators and investors to demonstrate increasing operational efficiency and to meet a wide range of performance criteria that are expected to improve year-on-year. Most WSPs have an ideal for improving the operation of their water supply systems based on increased knowledge and understanding of their assets and a shift to proactive management followed by steadily increasing degrees of system monitoring, automation and optimisation. The fundamental mission is, however, to ensure security of supply, with no interruptions and water quality of the highest standard at the tap. Unfortunately, advanced technologies required to fully understand, manage and automate water supply system operation either do not yet exist, are only partially evolved, or have not yet been reliably proven for live water distribution systems. It is this deficiency that the project NEPTUNE seeks to address by carrying out research into 3 main areas;these are: data and knowledge management;pressure management (including energy management);and the associated complex decision support systems on which to base interventions. The 3-year project started in April of 2007 and has already resulted in a number of research findings under the three main research priority areas (RPA). The paper summarises in greater detail the overall project objectives, the RPA activities and the areas of research innovation that are being undertaken in this major, UK collaborative study. Copyright 2009 ASCE.

关键词： Water quality

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Project neptune: Improved operation of water distribution networks

Project neptune: Improved operation of water distribution ne...

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10th Annual Water Distribution systems Analysis Conference, WDSA 2008

作者： Savic, D.A. Boxall, J.B. Ulanicki, B. Kapelan, Z. Makropoulos, C. Fenner, R. Soga, K. Marshall, I.W. Maksimovic, C. Postlethwaite, I. Ashley, R. Graham, N. Centre for Water Systems University of Exeter SECaM Harrison Building North Park Road Exeter Devon EX4 4QF United Kingdom Pennine Water Group Dept. Civil and Struct. Eng. University of Sheffield Mappin Building Mappin St. Sheffield South Yorkshire S1 3JD United Kingdom De Montfort University Process Control - Water Software Systems Leicester United Kingdom Department of Engineering University of Cambridge Trumpington Street Cambridge CB2 1PZ United Kingdom Lancaster University Lancaster Environment Centre Lancaster Lancs LA1 4YQ United Kingdom Environmental and Water Resource Engineering Imperial College London South Kensington London SW7 2AZ United Kingdom University of Leicester University Road Leicester LE1 7RH United Kingdom

ISBN: (纸本)9780784410240

Water service providers (WSPs) in the UK have statutory obligations to supply drinking water to all customers that complies with increasingly stringent water quality regulations and minimum flow and pressure criteria. At the same time, the industry is required by regulators and investors to demonstrate increasing operational efficiency and to meet a wide range of performance criteria that are expected to improve year-on-year. Most WSPs have an ideal for improving the operation of their water supply systems based on increased knowledge and understanding of their assets and a shift to proactive management followed by steadily increasing degrees of system monitoring, automation and *** fundamental mission is, however, to ensure security of supply, with no interruptions and water quality of the highest standard at the tap. Unfortunately, advanced technologies required to fully understand, manage and automate water supply system operation either do not yet exist, are only partially evolved, or have not yet been reliably proven for live water distribution systems. It is this deficiency that the project NEPTUNE seeks to address by carrying out research into 3 main areas;these are: data and knowledge management;pressure management (including energy management);and the associated complex decision support systems on which to base interventions. The 3-year project started in April of 2007 and has already resulted in a number of research findings under the three main research priority areas (RPA). The paper summarises in greater detail the overall project objectives, the RPA activities and the areas of research innovation that are being undertaken in this major, UK collaborative study. ©ASCE 2009.

关键词： Water quality

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Introduction

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Lecture Notes in Applied and Computational Mechanics 2008年 36卷 1-19页

作者： Leine, Remco I. van de Wouw, Nathan Department of Mechanical and Process Engineering Institute of Mechanical Systems ETH Zurich CH-8092 Zurich Switzerland Dynamics and Control Group Department of Mechanical Engineering Eindhoven University of Technology PO Box 513 5600 MB Eindhoven Netherlands

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Non-smooth dynamical systems

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Lecture Notes in Applied and Computational Mechanics 2008年 36卷 59-77页

ISBN: (纸本)9783540769743

A dynamical system is a system whose state evolves with time. The evolution is governed by a set of rules, and is usually put in the form of equations. Continuous-time systems are dynamical systems of which the state is allowed to change (continuously or discontinuously) at all times t. Continuous-time systems are usually described by ordinary differential equations. Discrete-time systems are dynamical systems of which the state can only change at discrete time-instances t1 2 3.... In this chapter we will consider continuoustime dynamical systems with a non-smooth (and possibly discontinuous) timeevolution of the state. After a brief introduction to diffrential quations, we will consider differential equations with a discontinuous right-hand side. The equirement for the existence of a solution leads to the need to fill in the graph of the discontinuous right-hand side (Filippov's convex method). The resulting set-valued right-hand side brings forth a differential inclusion, which will be discussed in detail in Section 4.2. Subsequently, the differential measure of the state, which classically contains a density with respect to the Lebesgue measure, is extended in Section 4.3 with an atomic part. This leads to a measure differential inclusion, being the mathematical framework used in this work to describe dynamical systems with state evolutions with discontinuities (state jumps). In Chapters 6 and 8, we will present stability and convergence results for measure differential inclusions.

关键词： Dynamical systems

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Measure and integration theory

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Lecture Notes in Applied and Computational Mechanics 2008年 36卷 43-57页

ISBN: (纸本)9783540769743

The theory of measures forms the basis for the modern integration theory and both are quintessential for the understanding of measure differential inclusions which will be dealt with in Chapter 4. Moreau, who introduced the notion measure differential inclusions in [117-120, 122, 123], directly introduces the so-called *** measure. In Chapter 4, it will be explained in more detail that a measure *** inclusion actually describes how the *** measure of the state relates to the state and time in analogy with the fact that a (first-order) differential inclusion (or equation) describes how the time derivative of the state depends on the state and time. In this chapter we give a brief overview of measure and integration theory and relate the differential measure used by Moreau to real measures and (signed) measures. The theory presented in this chapter is based on standard textbooks about measure and integration theory [47,150], various publications of Moreau and others [63,116, 122,124] as well as the work of P. Ballard communicated through lecture notes of a summer course on Non-smooth Dynamical systems (2003, Praz-sur-Arly). This chapter may be very demanding and a reader on the verge of despair should keep the key result of this chapter in mind: every function of locally bounded variation can be decomposed in an absolutely continuous function, a step function and a singular function. As will appear in Chapter 4, solutions of measure differential inclusions are defined as functions of locally bounded variation. The latter fact clearly implies that the solutions of measure differential inclusions may include the contribution of step functions, which can account for jumps in the state evolution (such as e.g. velocity jumps in mechanical systems with impacts).

关键词： Dynamical systems

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Non-smooth analysis

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Lecture Notes in Applied and Computational Mechanics 2008年 36卷 21-41页

ISBN: (纸本)9783540769743

This chapter presents some basic mathematical theory from non-smooth analysis [10,12,37,56,77,78,147,149]. The aim of this chapter is not to give a real introduction to non-smooth analysis as the above textbooks are much better suited for that task. Instead, the primary aim of the chapter is to make the reader is familiar with the terminology and notation used in this monograph. Moreover, it provides a compendium on non-smooth and convex analysis which is useful when reading the following chapters. The reader might want to look up how a mathematical term is exactly defined, making use of the index in combination with this chapter. We begin with a brief introduction to sets (Section 2.1). The notion of continuity of functions is relaxed in Section 2.2 to semi-continuity and the notion of the classical derivative of smooth functions is extended to generalised differentials for non-smooth functions in Section 2.3. Subsequently, we discuss set-valued functions in Section 2.4. Topics from convex analysis are reviewed in Section 2.5 and the subderivative is discussed in Section 2.6.

关键词： Computational mechanics

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Convergence properties of monotone measure differential inclusions

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Lecture Notes in Applied and Computational Mechanics 2008年 36卷 191-215页

ISBN: (纸本)9783540769743

In this chapter, we present theorems which give sufficient conditions for the convergence of measure differential inclusions with certain maximal monotonicity properties. The framework of measure differential inclusions allows us to describe systems with state discontinuities, as has been shown in the previous chapters. The material presented in this chapter is based on the paper [104]. The chapter is organised as follows. First, we define the convergence property of dynamical systems in Section 8.1 and state the associated properties of convergent systems. Theorems are presented in Section 8.2 which give sufficient conditions for the convergence of measure differential inclusions with certain maximal monotonicity properties. Furthermore, we illustrate in Section 8.3 how these convergence results for measure differential inclusions can be exploited to solve tracking problems for certain classes of non-smooth mechanical systems with friction and one-way clutches. Illustrative examples of convergent mechanical systems are discussed in detail in Section 8.4. Finally, Section 8.5 presents concluding remarks.

关键词： Dynamical systems

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