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3rd Annual Conference of the Healthgrid Association, Healthgrid 2005

作者： Breton, Vincent Dean, Kevin Solomonides, Tony Aloisio, Giovanni Benkner, Siegfried Bilofsky, Howard Blanquer, Ignacio Brady, Michael Cannataro, Mario Chouvarda, Ioanna Claerhout, Brecht De Moor, Georges De Neve, Wilfried De Wagter, Carlos Fiore, Sandro Hassan, Kinda Heeren, Germaine Hernández, Vicente Herveg, Jean A.M. Hofmann, Martin Jones, Chris Koutkias, Vassilios Lloyd, Sharon Lonsdale, Guy Alonso, Victoria L. Maglaveras, Nicos Maigne, Lydia Malousi, Andigoni Martín-Sánchez, Fernando McClatchey, Richard Medico, Enzo Miguet, Serge Mirto, Maria Montagnat, Johan Nørager1, Sofie Nozaki, Kazunori Oliveira, Ilídio Castro Pennec, Xavier Poullet, Yves Merino, Juan Pedro Sánchez Strizh, Irina G. Taillet, Michel Tristram, Clive Tverdokhlebov, Nikolay Veltri, Pierangelo Ziegler, René CNRS-IN2P3 LPC Campus des Cézeaux AubiereCedex63177 France Internet Business Solutions Group Cisco Systems 9 New Square Bedfont Lakes Middlesex FelthamTW14 8HA United Kingdom University of the West of England Bristol CEMS Coldharbour Lane BristolBS6 6TH United Kingdom Center for Advanced Computational Technologies ISUFI Dept. of Innovation Engineering University of Lecce Via per Monteroni Lecce73100 Italy Institute of Scientific Computing University of Vienna Nordbergstrasse 15 ViennaA-1090 Austria University of Pennsylvania School of Engineering and Applied Science Computer and Information Science Center for Bioinformatics 1416 Blockley Hall 423 Guardian Drive PhiladelphiaPA19104-6021 United States Universidad Politecnica de Valencia Camino de Vera/n Valencia46022 Spain FRS FREng Dept. of Engineering Science Oxford University Parks Road OxfordOX1 3PJ United Kingdom Magna Graecia University of Catanzaro School of Bioinformatics and Biomedical Engineering Campus di Germaneto Viale Europa Germaneto Catanzaro88100 Italy Aristotle University The Medical School Lab of Medical Informatics Box 323 Thessaloniki54124 Greece Custodix NV Verlorenbroodstraat 120 Bus 14 MerelbekeB-9820 Belgium Research in Advanced Medical Informatics and Telematics UZ Gent 5K3 De Pintelaan 185 GentB9000 Belgium Department of Radiotherapy Ghent University Hospital Building P7 De Pintelaan 185 GentB-9000 Belgium Laboratoire LIRIS Université Lumière Lyon 2 Campus Porte des Alpes 5 avenue Pierre Mendès France Bron69676 France av. E.Mounierlaan 83 Brussels1200 Belgium Faculté de Droit de Namur - FUNDP Centre de Recherches Informatiques & Droit 5 rempart de la Vierge Namur5000 Belgium Schloss Birlinghoven Sankt Augustin53754 Germany CERN Geneva 231211 Switzerland Oxford University Computing Laboratory Wolfson Building OxfordOX1 3QD United Kingdom C&C Research Laboratories NEC Europe Ltd. Rathausallee 10 Sankt AugustinD-53757 Germany Medic

ISBN: (纸本)158603510X

Over the last four years, a community of researchers working on Grid and High Performance Computing technologies started discussing the barriers and opportunities that grid technologies must face and exploit for the development of health-related applications. This interest lead to the first Healthgrid conference, held in Lyon, France, on January 16th–17th, 2003, with the focus of creating increased awareness about the possibilities and advantages linked to the deployment of grid technologies in health, ultimately targeting the creation of a European/international grid infrastructure for health. The topics of this conference converged with the position of the eHealth division of the European Commission, whose mandate from the Lisbon Meeting was "To develop an intelligent environment that enables ubiquitous management of citizens’ health status, and to assist health professionals in coping with some major challenges, risk management and the integration into clinical practice of advances in health knowledge." In this context "Health" involves not only clinical procedures but covers the whole range of information from molecular level (genetic and proteomic information) over cells and tissues, to the individual and finally the population level (social healthcare). Grid technology offers the opportunity to create a common working backbone for all different members of this large "health family" and will hopefully lead to an increased awareness and interoperability among disciplines. The first HealthGrid conference led to the creation of the Healthgrid association, a non-profit research association legally incorporated in France but formed from the broad community of European researchers and institutions sharing expertise in health grids. After the second Healthgrid conference, held in Clermont-Ferrand on January 29th–30th, 2004, the need for a "white paper" on the current status and prospective of health grids was raised. Over fifty experts from different areas of grid tec

关键词： Health risks

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Nanoimprint of glass materials with glassy carbon mold fabricated by focused-ion-beam etching

Nanoimprint of glass materials with glassy carbon mold fabri...

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2004 International Microprocesses and Nanotechnology Conference

作者： Takahashi, Masaharu Sugimoto, Kohichi Maeda, Ryutaro Advanced Manufacturing Research Institute National Institute of Advanced Industrial and Science Technology Department of Mechanical Systems Engineering Faculty of Engineering University of Shinshu 1-2-1 Namiki Tsukuba 305-8564 Japan

ISBN: (纸本)4990247205

The micro/nano imprinting was employed for pyrex glass and quartz glass molding and the test structures were fabricated with good fidelity of 10×10×7um and 0.3um line and space and 0.4um depth. It was found that dry etching of glasses can be used as an alternative for micro/nano structuring, but the etching rate is extremely low and the cost is too high due to the expensive reaction ion etching (RIE) facility. Focus ion beam (FIB) machining was used for micro/nano three-dimensional (3D) structuring of glassy carbon mold material. The mold for hot embossing was prepared by FIB etching and the etched depth of GC was found to increase linearly as the machining time.

关键词： Nanotechnology

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control of three degrees-of-freedom underactuated manipulator using fuzzy based switching

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Artificial Life and Robotics 2004年第2期8卷 153-158页

作者： Udawatta, Lanka Watanabe, Keigo Izumi, Kiyotaka Kiguchi, Kazuo Department of Advanced Systems Control Engineering Graduate School of Science and Engineering Saga University Saga Japan

A novel concept for designing a fuzzy logic-based switching controller to control underactuated manipulators is presented. The proposed controller employs elemental controllers, which are designed in advance. Parameters of both antecedent and consequent parts of a fuzzy indexer are optimized by using evolutionary computation. Design parameters of the fuzzy indexer are encoded into chromosomes, i.e., the shapes of the Gaussian membership functions and corresponding switching laws of the consequent part are evolved to minimize the angular position errors. Then, these trained fuzzy rules can be brought into the online operation of underactuated manipulators. Simulation results show that the new methodology is effective in designing controllers for underactuated robot manipulators.

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Neural network based expectation learning in perception control: learning and control with unreliable sensory system

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Artificial Life and Robotics 2004年第2期8卷 147-152页

作者： Sherwin A. Guirnaldo Keigo Watanabe Kiyotaka Izumi Kazuo Kiguchi Department of Production Control Technology Division of Engineering Systems and Technology Graduate School of Science and Engineering Saga University Saga Japan Department of Advanced Systems Control Engineerig Graduate School of Science and Engineering Saga University Saga Japan

In this article, we investigate the viability of our proposed neural network-based extension of the “perception” control concept introduced by Randløv and Alstrøm. In their work, each of the expectation elements is linearly acquired such that the expectation gives only the dominant information of the recent past. This handicap could become a serious problem when the perception process is applied to real physical systems. Such an approach has no capability to sense the trend or the dynamics in the information. Here, we introduce an extension of the perception control process by using a radial basis function feedforward neural network to learn the trend and the dynamics in the information queue. Through our simulations, we show that our neural network-based method is better than the conventional method.

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Cooperative fuzzy hint acquisition for avoiding joint limits of redundant manipulators

Cooperative fuzzy hint acquisition for avoiding joint limits...

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Annual Conference of Industrial Electronics Society

作者： S.P.M. Assal K. Watanabe K. Izumi Department of Advanced Systems Control Engineering Graduate School of Science and Engineering Saga University Japan

In this paper, a back propagation neural network (NN) is presented for the inverse kinematics of redundant manipulator with joint limits. Since the inverse kinematics has infinite number of joint angle vectors, a fuzzy neural network (FNN) is designed to provide an approximate value for that vector. This vector is fed into the NN as a hint input vector to guide the output of the NN within the self-motion. This FNN is designed based on cooperatively controlled each joint angle in the sense that it stops the motion on the critical axis at its limit in the expense of more compensation from the most relaxed joint to accomplish the task. The joint velocity limits as well as the joint limits are incorporated in this method. Simulations are implemented based on four-link redundant manipulator to show the effectiveness of the proposed control system.

关键词： Neural networks Manipulators Kinematics Fuzzy neural networks Fuzzy control Robots H infinity control control engineering Design engineering Motion control

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Exploring motion acquisition of manipulators with multiple degrees-of-redundancy using soft computing techniques

Exploring motion acquisition of manipulators with multiple d...

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IEEE International Workshop on Intelligent Robots and systems (IROS)

作者： S.F.M. Assal K. Watanabe K. Izumi Department of Advanced Systems Control Engineering Graduate School of Science and Engineering Saga University Japan

A backpropagation neural network (NN) is presented for the inverse kinematic problem to obtain a position control system for manipulators with multiple degrees-of-redundancy, where information provided from a laser transducer at the end-effector is used for planning the trajectory. A fuzzy reasoning system is designed to generate an approximate joint angle vector, because the inverse kinematics in this problem has infinite number of solution vectors. This vector is fed into the NN as a hint input vector rather than as a training vector to limit and guide the searching space. Simulations are implemented on a four-link redundant planar manipulator to show that the present control system is capable of tracking the planned trajectory while avoiding the collision.

关键词： Neural networks Kinematics Collision avoidance Trajectory Computer networks control systems Transducers Path planning control engineering Optical propagation

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Distributed processing of measurement results in a control system: Can mobile software agents help? 10

Distributed processing of measurement results in a control s...

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10th IMEKO TC7 Symposium on Advances of Measurement science 2004

作者： Smolko, Danila S. Saint Petersburg State Polytechnic University Computer Science and Engineering Faculty Department of Information and Control Systems 195251 Saint Petersburg ul. Polytechnicheskaya 21 Saint-Petersburg Russia

ISBN: (纸本)9781634391887

Distributed processing of measurement results poses a number of challenges. Among important requirements are security, performance, robustness and ability to withstand network failures, need for flexibility and elegance of a proposed solution. We propose a novel approach to distributed processing, which capitalises on locality of data access. We propose a distributed software architecture that leverages a flexible consistency checking engine and takes advantage of software agency features in order to meet the mentioned distributed processing requirements.

关键词： Network architecture

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Fast sequential learning methods on RBF-network using decomposed training algorithms

Fast sequential learning methods on RBF-network using decomp...

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Proceedings of the 2004 IEEE International Symposium on Intelligent control - 2004 ISIC

作者： Asirvadam, Vijanth S. McLoone, Seán F. Irwin, George W. Faculty of Information Science and Information Technology Jalon Ayer Keroh Lama Multimedia University 75450 Malaysia Department of Electronic Engineering National University of Ireland Maynooth County Kildare Ireland Centre of Intelligent Systems and Control Faculty of Electrical and Electronic Engineering Queen's University of Belfast

This paper investigates novel sequential learning methods applied on a decomposed form of training algorithms using Radial Basis Function (RBF) network. The dynamic expansion of RBF network by adding neurons to the hidden layer during the course of training facilitates the weight update to be decomposed on neuron by neuron basis. The fast or minimal update update approach which can be adopted with ease on a decomposed algorithms will also be presented in this paper. ©2004 IEEE.

关键词： Radial basis function networks

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Telerobotic mini-golf: system design for enhanced teleoperator performance

Telerobotic mini-golf: system design for enhanced teleoperat...

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IEEE International Conference on Robotics and Automation (ICRA)

作者： S.R. Munasinghe Ju-Jang Lee T. Usui M. Nakamura N. Egashira Department of Electrical Engineering and Computer Science Korea Advanced Institute of Science and Technology Daejeon South Korea Department of Advanced Systems Control Engineering Saga University Saga Japan Department of Control and Information Systems Engineering Kurume National College of Technology Fukuoka Japan

This paper discusses the safety assurance, capability features, and user-friendliness of Internet-based telerobotics, in the sense that how these features could be incorporated in order to enhance teleoperator performance. A comprehensive set of safety features are incorporated to the interface to screen and accept only the safe commands from the remote operator while discarding risky commands. A laser pointer is used to help remote operator in perceiving self-location and navigation, whereas orientation control has been completely automated and synchronized to the position commands of the teleoperator. The effectiveness of these features has been demonstrated by playing telerobotic mini-golf.

关键词： Telerobotics Teleoperators Internet Paper technology control systems Safety Supervisory control Power system modeling System testing Computer science

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Large change in biaxial anisotropy of in-plane hole dispersion in a (110) quantum well under uniaxial stress

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Physical Review B 2004年第20期69卷 205320-205320页

作者： Y. Kajikawa N. Nishimoto Y. Higuchi []Department of Electric and Control Systems Engineering Interdisciplinary Faculty of Science and Engineering Shimane University 1060 Nishi-Kawatsu Matsue Shimane 690-8504 Japan

We present a theoretical study of a valence-subband dispersion in a (110)-oriented quantum well (QW) under [110] uniaxial stress. As an example, we present calculated results for a (110) GaAs QW. The 4×4 Luttinger-Kohn k⋅p Hamiltonian in conjunction with the Bir-Pikus strain Hamiltonian is solved within the infinitely high barrier model in order to obtain the in-plane dispersion curves of valence subbands. Then, confinement energies, effective masses along the two orthogonal in-plane directions ([001] and [1¯10]), and optical matrix elements for [001] and [1¯10] polarized light are obtained at zero in-plane momentum (k∥=0) and are plotted as functions of the [110] uniaxial stress. The confinement energies of the first two subbands show anticrossing behavior as functions of the stress. Due to the drastic change in valence-band mixing near the anticrossing, the effective masses of the two subbands show changes in their signs, magnitudes, and in-plane anisotropies. The most outstanding point is the saddle-point character of the first hole subband at k∥=0, which appears under the stress corresponding to the anticrossing and under the larger stress. An intimate relation is shown between the biaxial anisotropy in optical matrix elements and that in the hole effective mass. A simple model based on the tight-binding approximation is presented for understanding the intimate relation between them.

关键词： quantum wells Ⅲ-Ⅴ semiconductors

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