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作者： Sato, Asaji Sato, Osamu Takahashi, Nobuya Kono, Michio Dept. of Mechanical Engineering Miyakonojo National College of Technology Miyakonojo 885-8567 Japan Dep. of Computer Science and Systems Engineering Faculty of Engineering University of Miyazaki Miyazaki 889-2192 Japan

ISBN: (纸本)9784990288013

In this paper, equations of motion of a manipulator, whose mechanism has a passive revolute joint, are derived in consideration of characteristics of driving source. Considering the final condition about displacement and velocity, trajectories of velocity for saving energy are calculated by iterative dynamic programming. And, the dynamic characteristics of manipulator controlled based on the trajectory for saving energy are analyzed theoretically. ©ISAROB 2007.

关键词： Dynamic programming

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A New Reconfigurable Coarse-Grain Architecture for Multimedia Applications

A New Reconfigurable Coarse-Grain Architecture for Multimedi...

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NASA/ESA Conference on Adaptive Hardware and systems (AHS)

作者： Marco Lanuzza Stefania Perri Pasquale Corsonello Martin Margala Department of Electronics Computer Science and Systems University of Calabria Rende Italy Electrical and Computer Engineering Dep University of Massachusetts Lowell Lowell MA USA

This paper presents MORA, a new coarse-grain reconfigurable architecture optimized for multimedia processing. The system has been designed to provide a dense support for arithmetic operations, wide internal data bandwidth and efficiently distributed memory resources. All these characteristics are combined in a cohesive structure to efficiently support a block-level pipelined dataflow, which is particularly suitable for stream-oriented applications. Moreover, the new reconfigurable architecture is highly flexible and easily scalable. MORA (multimedia oriented reconfigurable array) has drastically improved performance- and area- efficiency compared to the state of the art FPGA, DSP and other reconfigurable systems in executing multimedia-oriented applications. In computing 8times8 2D DCT, MORA delivers orders of magnitude times higher throughput efficiency compared to Morphosys, Virtex-4 or TMS320DM642-720 DSP architectures.

关键词： Streaming media Reconfigurable architectures Digital signal processing Arithmetic Bandwidth Multimedia systems Field programmable gate arrays computer applications Discrete cosine transforms Throughput

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Special Issue on Variable Structure System Control — New Designs and Applications

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Asian Journal of Control 2008年第4期5卷

作者： Prof. Jian-Xin Xu Prof. Leonid Fridman Department of Electrical and Computer Eng. National University of Singapore 4 Engineering Drive 3 Singapore 117576 Tel +65 6874-2566 Fax +65 6779-1103 Dr Jian-Xin Xu received his Bachelor degree from Zhejiang University China in 1982. He attended the University of Tokyo Japan where he received his Master's and Ph.D. degrees in 1986 and 1989 respectively. All his degrees are in Electrical Engineering. He worked for one year in the Hitachi research Laboratory Japan and for more than one year in Ohio State University U.S.A. as a Visiting Scholar. In 1991 he joined the National University of Singapore and is currently an associate professor in the Department of Electrical Engineering. His research interests lie in the fields of learning control variable structure control fuzzy logic control discontinuous signal processing and applications to motion control and process control problems. He is the associate editor of Asian Journal of Control member of TC on variable structure systems and sliding mode control of IEEE Control Systems Society and a senior member of IEEE. He has produced more than 90 peer-refereed journal papers near 160 technical papers in conference proceedings and authored/edited 4 books. Division de Estudios de Posgrado Facultad de Ingenieria National Autonomous University of Mexico DEP-FI UNAM Edificio “A” Circuito Exterior Ciudad Universitaria A. P. 70–256 C.P.04510 Mexico D.F. Mexico Tel +52 55 56223014 Fax +52 55 56161719 Dr. Leonid M. Fridman received his M.S in mathematics from Kuibyshev (Samara) State University Russia Ph.D. in Applied Mathematics from Institute of Control Science (Moscow) and Dr. of Science degrees in Control Science from Moscow State University of Mathematics and Electronics in 1976 1988 and 1998 respectively. In 1976–1999 Dr. Fridman was with the Department of Mathematics at the Samara State Architecture and Civil Engineering Academy Samara Russia. In 2000–2002 he was with the Department of Postgraduate Study and Investigations at the Chihuahu

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An efficient workload allocation to improve scheduling real-time tasks

An efficient workload allocation to improve scheduling real-...

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11th IEEE Symposium on computers and Communications, ISCC 2006

作者： Hamdy, Abeer Hussein, Ahmed Ammar, Reda Dep. of Computer Systems Electronic Research Institute Giza Egypt Dep. of Computer Science and Engineering University of Connecticut Storrs CT 06269-3155 United States

ISBN: (纸本)0769525881

Cluster computing systems are currently used to execute high performance applications that exhibit real time characteristics. A high-speed communication networks are used to interconnect the nodes of a cluster. Also, special software is used to allocate and manage the execution of the parallel tasks of the applications on cluster's processors to satisfy real-time requirements and achieve high throughput. In this paper, we present a new algorithm to allocate tasks ' workloads in a way that improves the utilization of each cluster's processor. Consequently, a cluster's processor can accept more tasks and results in higher throughput. The idea of the algorithm depends on assigning a variable processing power to the task under consideration to satisfy its deadline instead of rejecting it if a constant processing power cannot be guaranteed. Simulation results reveal that the acceptance rate of submitted tasks to a cluster's processor using the new approach is superior to previous approaches. © 2006 IEEE.

关键词： Real time systems

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Quality gates in use-case driven development

Quality gates in use-case driven development

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2006 4th International Workshop on Software Quality, WoSQ 2006, Co-Located with the 28th International Conference on Software engineering, ICSE 2006

作者： Filho, Wilson P. Paula Computer Science Dep Synergia Systems and Software Engineering Laboratory t. Federal University of Minas Gerais Av. Antônio Carlos 6627 - Belo Horizonte - MG Brazil

ISBN: (纸本)1595933999

In use-case driven software development, a project is organized as sequence of use-case development workflows. Here, we describe a process where each workflow instance is a sequence of model transformation steps, whose outcome has to pass defined quality gates. This process was applied in two classes of an industryoriented software engineering course. Collected size data confirm that application of process standards, significant reuse, and automated tests were quality factors. Inspection and audit data confirm the positive influence of inspections on the quality of design material, but show that improvements are needed for code and managerial artifacts. © 2006 ACM.

关键词： Software design

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Critical systems Development Using Modeling Languages (CSDUML'04): Current developments and future challenges (Report on the third international workshop) 1

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UML 2004 Satellite Activities

作者： Jürjens, Jan Fernandez, Eduarde B. France, Robert B. Rumpe, Bernhard Heitmeyer, Constance Software and Systems Engineering Dep. of Informatics TU Munich Germany Dep. of Computer Science and Engineering Florida Atlantic University United States Computer Science Department Colorado State University United States Software Systems Engineering TU Braunschweig Germany Naval Research Laboratory United States

We give a short report on the contributions to and some discussions made and conclusions drawn at the Third International Workshop on Critical systems Development Using Modeling Languages (CSDUML'04). © Sprin... 详细信息

ISBN: (数字)9783540317975

ISBN: (纸本)9783540250814

关键词： computer programming languages

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Dynamic secure aspect modeling with UML: From models to code 05

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8th International Conference on Model Driven engineering Languages and systems, MoDELS 2005

作者： Jürjens, Jan Houmb, Siv Hilde Software and Systems Engineering Dep. of Informatics TU Munich Germany Department of Computer and Information Science Norwegian University of Science and Technology Norway

ISBN: (纸本)3540290109

Security engineering deals with modeling, analysis, and implementation of complex security mechanisms. The dynamic nature of such mechanisms makes it difficult to anticipate undesirable emergent behavior. In this work, we propose an approach to develop and analyze security-critical specifications and implementations using aspect-oriented modeling. Since we focus on the dynamic views of a system, our work is complementary to existing approaches to security aspects mostly concerned with static views. Our approach includes a link to implementations in so far as the code which is constructed from the models can be analyzed automatically for satisfaction of the security requirements stated in the UML diagrams. We present tool support for our approach. © Springer-Verlag Berlin Heidelberg 2005.

关键词： Security of data

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Toward automatic management of embarrassingly parallel applications

Toward automatic management of embarrassingly parallel appli...

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9th International Euro-Par Conference on Parallel Processing, Euro-Par 2003

作者： Dutra, Inês Page, David Costa, Vitor Santos Shavlik, Jude Waddell, Michael Dep of Systems Engineering and Computer Science Federal University of Rio de Janeiro Rio de JaneiroRJ Brazil Dep of Biostatistics and Medical Informatics University of Wisconsin-Madison United States

ISBN: (纸本)354040788X

Large-scale applications that require executing very large numbers of tasks are only feasible through parallelism. In this work we present a system that automatically handles large numbers of experiments and data in the context of machine learning. Our system controls all experiments, including re-submission of failed jobs and relies on available resource managers to spawn jobs through pools of machines. Our results show that we can manage a very large number of experiments, using a reasonable amount of idle CPU cycles, with very little user intervention. © Springer-Verlag Berlin Heidelberg 2003.

关键词： Learning systems

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Interface synthesis: a vertical slice from digital logic to software components 98

Interface synthesis: a vertical slice from digital logic to ...

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Proceedings of the 1998 IEEE/ACM international conference on computer-aided design

作者： Gaetano Borriello Luciano Lavagno Ross B. Ortega Dep't of Computer Science & Engineering University of Washington Seattle WA Dipartimento di Elettronica Politecnico di Torino Torino 10129 Italia Dep't of Computing & Software Systems University of Washington Bothell WA

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Steady‐state security evaluation of electrical power systems by means of artificial neural network

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European Transactions on Electrical Power 1995年第2期5卷 91-97页

作者： Chiodo, E. Menniti, D. Testa, A. Picardi, C. Elio Chiodo (1959) received the degree in Electronics Engineering in 1985 and the Ph.D. degree in Computational Statistics both from the University of Naplefltaly. He is a Researcher at the Department of Electrical Engineering of the University of Naples and a member of the Italian Statistical Society. His areas of interest include probabilistic methods applied to electric power systems analysis. (University of Naples Fedrrico 11. Electrical Engineering Dept.via Claudio 21 1-80125 Naplefltaly T +3981/7683226 Fax+3981/2396897) Daniele Menniti (1958) received the degree in Electrical Engineering from the University of Calabria. Cosenzataly and the Ph.D. degree in Electrical Engineering from the University of NapleslItaly in 1984 and 1989 respectively. He is a researcher at the Electronic. Computer and Systems Science Department of the University of Calabria. Italy. Hiscurrent research interests concern electric power system analysis real-time control and automation. (University of Calabria Electronic Computer and Systems Science Dep. Arcavacataji Rende (CS). 1-87036 CosenzdItaly T +39984/494707. Fax +39984/4947 13) Alfredo Testa (1950) received the degree in Electrical Engineering from the University of Naples/Italy in 1975. He is an Associate Professor in Electrical Power Systems at the Department of Electrical Engineering of the University of Naples. He is engaged in researches on electrical power systems reliability and harmonic analysis. (University of Naples Federico 11. Electrical Engineering Dep. via Claudio '2 1 1-80 I25 NapleslItaly T + 39 8 I/7 68 3'2 11. Fax+3981/2396897) Ciro Picardi (1949) received the degree in Electronics Engineering from the University of Naples/Italy in 1975. He is currently Associate Professor in Process Control at the Department of Electronic Computer and System Science of the University of Calabria. Italy. His current research interests are in the area of electrical drives robotics neural networks and fuzzy control. (University of Calabria Electronic. Compu

An artificial‐neural‐network (ANN) application for steady‐state security evaluation of electrical power systems is presented. Such application is based upon a combined use of a multilayer back‐propagation neural network and of an opportune electrical system model, previously proposed by some of the authors. In the paper, the definition of steady‐state security and the problems arising from its on‐line evaluation are briefly recalled. Then, the ANN utilized is described with particular reference to the solutions adopted by the authors. Afterwards, some remarks on the system model utilized are reported. Finally, numerical applications on the AEP‐14 bus system are presented and the results obtained with different ANN configurations are analyzed. Copyright © 1995 John Wiley & Sons, Ltd.

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