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4th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, COMPDYN 2013

作者： Ohsaki, Makoto Miyamura, Tomoshi Kohiyama, Masayuki Yamashita, Takuzo Yamamoto, Masashi Nakamura, Naohiro Department of Architecture Hiroshima University 1-4-1 Kagamiyama Higashi-Hiroshima 739-8527 Japan Department of Computer Science College of Engineering Nihon University 1 Nakagawara Tokusada Tamura Koriyama 963-8642 Japan Department of System Design Engineering Keio University 3-14-1 Hiyoshi Kohoku Yokohama 223-8522 Japan Hyogo Earthquake Eng. Res. Center National Res. Inst. for Earth Science and Disaster Prevention 1501-21 Nishikameyama Mitsuta Shijimi Miki 673-0515 Japan Construction Technology Department Takenaka Research and Development Institute 1-5-1 Ohtsuka Inzai 270-1395 Japan

ISBN: (纸本)9789609999427

Seismic response analysis is carried out for a base-isolated frame. The RC-frame members as well as the rubber bearings are discretized into hexahedral finite elements. The material properties of rubber are represented by the Ogden model, and the frame is assumed to remain in elastic range. The seismic response analysis of the frame, which has more than 3 million degrees of freedom is carried out using the E-Simulator, which is under development at E-Defense, Japan, based on a software package called ADVENTURECluster. It is shown that the global and local responses can be simultaneously evaluated through a high-precision finite element analysis.

关键词： Finite element method

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Community reaction to noise and vibration from railway and road traffic in Hanoi, Vietnam

Community reaction to noise and vibration from railway and r...

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41st International Congress and Exposition on Noise Control Engineering 2012, INTER-NOISE 2012

作者： Morihara, Takashi Fukushima, Hiroaki Nguyen, Thu Lan Nguyen, Huy Quang Yano, Takashi Kawai, Keiji Nishimura, Tsuyoshi Sato, Tetsumi Department of Architecture Ishikawa National College of Technology Kitachujo Tsubata Kahoku-gun Ishikawa 929-0392 Japan Graduate School of Science and Technology Kumamoto University 2-39-1 Kurokami Kumamoto 860-8555 Japan Department of Computer and Information Science Sojo University 4-22-1 Ikeda Kumamoto 860-0082 Japan Department of Architecture Hokkai Gakuen University Minami 26 Nishi 11 Chuo-ku Sapporo 064-0926 Japan

ISBN: (纸本)9781627485609

A survey on community reaction to noise and vibration from railway and road traffic was conducted at four sites in Hanoi in August 2010, and the noise and vibration exposures were measured in September, in order to contribute to noise policies in Vietnam. The responses were obtained from 491 out of 600 citizens living along the railways and the roads. The railway noise and vibration exposures ranged between LAeq, 24h 58 and 82 dB and between L Vmax 57 and 85 dB along the railways. The road traffic noise and vibration exposures ranged between LAeq, 24h 66 and 79 dB and between LVmax 57 and 85 dB along the roads, respectively. This study shows that combined noise annoyance was best explained by the dominant source model. Annoyance caused by railway noise was significantly higher than that caused by road traffic noise, and almost the same as the Miedema curve for aircraft noise. In addition, the effects of the maximum vibration level on annoyance and activity disturbances were not significant, but these reactions at the high vibration site were slightly higher than those at the low vibration site.

关键词： Surveys

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Multimodal evolutionary algorithm for multidimensional scaling with city-block distances

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Informatica (Netherlands) 2012年第4期23卷 601-620页

作者： Redondo, Juana López Ortigosa, Pilar Martínez Žilinskas, Julius Department of Computer Architecture and Technology University of Granada Periodista Daniel Saucedo Aranda s/n 18071 Granada Spain Almeria Spain Vilnius University Institute of Mathematics and Informatics Akademijos 4 LT-08663 Vilnius Lithuania

Multidimensional scaling with city-block distances is considered in this paper. The technique requires optimization of an objective function which has many local minima and can be non-differentiable at minimum points. This study is aimed at developing a fast and effective global optimization algorithm spanning the whole search domain and providing good solutions. A multimodal evolutionary algorithm is used for global optimization to prevent stagnation at bad local optima. Piecewise quadratic structure of the least squares objective function with city-block distances has been exploited for local improvement. The proposed algorithm has been compared with other algorithms described in literature. Through a comprehensive computational study, it is shown that the proposed algorithm provides the best results. The algorithm with fine-tuned parameters finds the global minimum with a high probability. © 2012 Vilnius Universit.

关键词： Evolutionary algorithms

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Statistical analysis of different artificial intelligent techniques applied to Intrusion Detection System

Statistical analysis of different artificial intelligent tec...

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IEEE International Conference on Multimedia Computing and Systems (ICMCS)

作者： Hind Tribak Blanca L. Delgado-Márquez P. Rojas O. Valenzuela H. Pomares I. Rojas 1.-Dpt. of Computer Architecture and Computer Technology University of Granada Spain Department International andSpanish Economics Faculty of Economics and Business University of Granada Spain 3.- Dpt International and Spanish Economics Faculty of Economics Business 4.-ETSICCP University of Granada Spain Department of Applied Mathematics University of Granada Spain 2.-Dpt. of Applied Mathematics

Intrusion Detection System (IDS) which are increasingly a key part of system defense are used to identify abnormal activities in a computer system. In general, the traditional IDS relies on the extensive knowledge of security experts, in particular, on their familiarity with the computer system to be protected. To reduce this dependence, various data-mining and machine learning techniques have been used in the literature. The experiments and evaluations of the proposed intrusion detection system are performed with the NSL-KDD intrusion detection dataset. We will apply different learning algorithms on NSL-KDD data set, to recognize between normal and attack connections and compare their performing in different scenarios- discretization, features selections and algorithm method for classification- using a powerful statistical analysis: ANOVA. In this study, both the accuracy of the configuration of different system and methodologies used, and also the computational time and complexity of the methodologies are analyzed.

关键词： Data mining Security Hidden Markov models Probes Ions Marine animals Analysis of variance

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Senior-friendly technologies: Interaction design for senior users

Senior-friendly technologies: Interaction design for senior ...

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28th Annual CHI Conference on Human Factors in Computing Systems, CHI 2010

作者： Duh, Henry Been-Lirn Do, Ellen Yi-Luen Billinghurst, Mark Quek, Francis Chen, Vivian Hsueh-Hua National University of Singapore Department of Electrical and Computer Engineering 4 Engineering Drive 3 Singapore 117576 Singapore Georgia Institute of Technology College of Architecture School of Interactive Computing 245 Fourth Street Atlanta GA 30332-0155 United States University of Canterbury Human Interface Laboratory Old Maths Building New Zealand Virginnia Tech. Department of Computer Science Center for Human Computer Interaction Blacksburg VA 24061 United States Nanyang Technological University Wee Kim Wee School of Communication and Information 31 Nanyang Link Singapore 637718 Singapore

ISBN: (纸本)9781605589312

The elderly represent a valid group of users who can potentially benefit greatly from engaging with technology, such as healthcare systems or playing digital games. Yet, less attention has been given to the significance of senior citizens as technology users, as compared to the common younger population. In an effort to fill in the gap, this workshop aims to investigate the design of technology for senior citizens. To provide for more focused, thus more productive discussion, we will use elderly mobile phone games as a case in point here. The overarching objective is to understand what can help to make for better and more meaningful use of interactive applications and technology by the elderly, for instance, games on the mobile phone. © 2010 Copyright is held by the author/owner(s).

关键词： Cellular telephones

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Adaptive video-on-demand broadcasting in ubiquitous computing environment

Adaptive video-on-demand broadcasting in ubiquitous computin...

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作者： Peng, Chao Tan, Yasuo Xiong, Naixue Yang, Laurence T. Park, Jong Hyuk Kim, Soon-Seok Network Architecture Group National Institute of Information and Communications Technology 4-2-1 Nukui-Kitamachi Koganei Tokyo 184-8795 Japan Graduate School of Information Science Japan Advanced Institute of Science and Technology 1-1 Asahidai Nomi Ishikawa 923-1292 Japan Department of Computer Science Georgia State University Atlanta GA United States Department of Computer Science St. Francis Xavier University Antigonish NS B2G 2W5 Canada Department of Computer Science and Engineering Kyungnam University Masan Korea Republic of Department of Computer Engineering Halla University Wonju Korea Republic of

Video-on-demand (VOD) is a service that allows users to view any video program from a server at the time of their choice, such kind of services are expected to be popular in future ubiquitous computing environment. Lots of broadcasting protocols for VOD services have been proposed, but they usually focus only on the tradeoff between bandwidth and delay, thus they are usually not efficient for the local storage. Since the ubiquitous network is heterogeneous and users will have different resource and communication capability, we need to address the storage issue in VOD systems. In this paper, we present several new effective broadcasting schemes, which can intelligently adjust the solution according to available bandwidth and local storage to achieve an ideal waiting time. © Springer-Verlag London Limited 2009.

关键词： Video on demand

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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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Numerical implementation of the Fresnel transform, and it's application in linear optical systems

Numerical implementation of the Fresnel transform, and it's ...

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Optical Information Systems III

作者： Kelly, D.P. Hennelly, B.M. Rhodes, W.T. Sheridan, J.T. Department of Electronic and Electrical Engineering Faculty of Engineering and Architecture University College Dublin Belfield Dublin 4 Ireland School of Electronic and Computer Engineering Georgia Institute of Technology Atlanta GA United States

The numerical calculation of the Fresnel Transform (FST) presents significant challenges due to the high sampling rate associated with the chirp function in the kernel. The development of a general algorithm is further complicated due the fact that the output extent of the FST is dependant on the propagation distance. In this paper we implement a novel technique for calculating the FST in which we use the Wigner Distribution Function (WDF) to choose an optimal sampling rate. This method is suitable for all propagation distances. Our method can also be used to describe the effect of a lens in an optical system. A lens in an optical system is modeled as a Chirp Modulation Transform (CMT), which acts on the spatial frequency distribution of a signal in a manner that is analogous to the effect an FST has on the spatial distribution of a signal. Combining our results for the FST and the CMT we numerically calculate the light distribution at the output of both a Cai-Wang and a Lohmann Type-1 Optical Fractional Fourier Transform (OFRT) system. Analytic solutions for the OFRT of a square (1-D) and circular (1-D) aperture are presented. The numerical results are compared to the analytically derived solution.

关键词： Optical systems

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A comparison of road departure warning systems on real driving conditions

A comparison of road departure warning systems on real drivi...

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International Conference on Intelligent Transportation

作者： M. Gonzalez-Mendoza B. Jammes N. Hernandez-Gress A. Titli D. Esteve Laboratory for Analysis and Architecture of Systems (LAAS-CNRS) Toulouse France Monterrey Institute of Technology and Superior Studies ITESM-CEM México Department of Electronic and Computer Sciences National Institute of Applied Sciences (INSA) Toulouse Cedex 4 France

We present a comparison between different warning strategies for onboard rumble strips in order to prevent road departure events. We compare time-to-lane-crossing (TLC) approach and some implementations of variable rumble strip (VRBS). The framework of this study is the AWAKE European research project and the PREDIT French research program. The value of such a system is demonstrated by some field experiments and its validation by medical and self-diagnoses.

关键词： Alarm systems Strips Road vehicles Vehicle safety computer crashes Vehicle crash testing Vehicle driving Road safety Collision avoidance Content addressable storage

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Towards the additional use of phase processing in multistatic FMCW radar, considerations and experimental results

Towards the additional use of phase processing in multistati...

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European Conference on Microwave

作者： P.J.F. Swart H.T. Steenstra F.L. Muller W.F. van der Zwan P. van Genderen L.P. Ligthart G.L. Reijns A.J.C. van Gemund Department of Information Technology and Systems Delft University of Technnology Delft Netherlands Computer Architecture and Digital Techniques (CARDIT) Mekelweg 4 2628 CD Delft The Netherlands

A multistatic FMCW radar system is being developed to serve as an obstacle warning and 2D/3D- location sensor on autonomous vehicles. In this paper the additional use of available phase data is considered and some rec... 详细信息

关键词： Radar Receiving antennas Sensor systems Transmitting antennas Azimuth Remotely operated vehicles Spatial resolution Dynamic range Information technology computer architecture

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