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1st Workshop on Artificial Intelligence and Design, AIDE 2015 - A Workshop of the 14th International Conference of the Italian Association for Artificial Intelligence, AI*IA 2015

作者： Vlavianos, Nikolaos Vassos, Stavros Nagakura, Takehiko Department of Architecture Massachusetts Institute of Technology United States Department of Computer Control and Management Engineering Sapienza University of Rome Italy

Architects typically tell stories about their design intentions and then translate the verbal descriptions into action-based commands in computer Aided Design tools. In other words, during the creative process the designer works in a "concepts space" that is different than the "properties space" available in the software virtual world of CAD tools. In this paper we propose to study the vocabulary of concepts used in architectural design by employing machine learning methods over large data-sets of architectural drawings and their storytelling descriptions. The intention is to computationally characterize the meaning of a set of high-level concepts in architectural design, which we call them as μ-concepts, in terms of a set of low-level properties of drawings. With such a correlation, new opportunities can be explored for radically different design tools that allow architects to design by operating over such high-level architectural concepts. Eventually, this will can also provide a novel way of understanding the mental process of architectural design through verbal concepts. Copyright ©2015 for the individual papers by the papers' authors.

关键词： Architectural design

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Mathematical and computer Modelling as the Basis of Structural Health Monitoring

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IOP Conference Series: Materials Science and Engineering 2018年第1期456卷

作者： T B Kaytukov A M Belostosky P A Akimov V N Sidorov Russian Academy of Architecture and Construction Sciences 24 ul. Bolshaya Dmitrovka Moscow 107031 Russia Central Institute for Research and Design of the Ministry of Construction and Housing and Communal Services of the Russian Federation 29 Pr. Vernadskogo Moscow 119331 Russia Research & Development Centre StaDyO office 810 18 3ya Ulitsa Yamskogo Polya Moscow 125040 Russia Department of Structures Buildings and Facilities Russian University of Transport» (RUT – MIIT) 9b9 Obrazcova Street Noscow 127994 Russia Tomsk State University of Architecture and Building 2 Solyanaya sq. Tomsk 634003 Russia Department of Civil Engineering Peoples' Friendship University of Russia 6 Miklukho-Maklaya str. Moscow 117198 Russia Department of Building Constructions and Computational Mechanics Perm National Research Polytechnic University 29 Komsomolsky prospekt Perm 614990 Russia Moscow Institute of Architecture (State Academy) 11 Rozhdestvenka street Moscow 107031 Russia Department of Mechanics Metal Structures and Computer Methods Kielce University of Technology 7 al. TysiącleciaPanstwaPolskiego Kielce 25-314 Poland

As it is known only instrumental monitoring system, based on results of mathematical and computer (numerical) modeling (for instance, based on finite element analysis) and comparison with corresponding measured data allows high-performance control of actual state and the prediction of building safe operation. Moreover, instrumental monitoring of unique buildings without corresponding correct and adequate so-called 'monitoring-oriented' models has random nonsensical nature and therefore it is not of practical interest. This paper is devoted to theoretical methodology foundations of structural health monitoring (SHM). In order to review various corresponding approaches, development, modification and verification of parameterized finite building element models, so, significant stage of life cycle (the stages of construction and operation), original algorithm of adaptation (calibration) in accordance with measurements results, methodology of natural frequencies measurements and modal shapes and structural evaluation algorithm are under consideration for each approach. The main criterion for this adaptation is the correspondence of computed and measured spectrum of the natural frequencies and mode shapes in the entire frequency range, significant for the system-wide changes assessment and for possible defects localization.

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26th Annual Computational Neuroscience Meeting (CNS*2017) of the Organization for Computational Neuroscience Antwerp, Belgium, July 15-20, 2017

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BMC NEUROSCIENCE 2017年第SUPPL 1期18卷 59-59页

作者： [Anonymous] Indiana University Purdue University Indianapolis Indianapolis IN 46032 USA Stark Neurosciences Research Institute Indiana University School of Medicine Indianapolis IN 46032 USA Department of Mathematics East Carolina University Greenville NC 27858 USA Jülich Supercomputing Centre Forschungszentrum Jülich 52425 Jülich Germany Future Systems Swiss National Supercomputing Centre 8092 Zurich Switzerland User Engagement and Support Swiss National Supercomputing Centre 6900 Lugano Switzerland Institut de Neurosciences des Systèmes Aix Marseille Univ 13005 Marseille France Simulation Lab Neuroscience Forschungszentrum Jülich Jülich Germany Department of Experimental Psychology Ghent University 9000 Ghent Belgium Donders Center for Cognitive Neuroimaging Radboud University 6525HR Nijmegen The Netherlands Department of Electrical Computer and Energy Engineering University of Colorado Boulder CO 80309 USA Department of Neurosurgery Johns Hopkins School of Medicine Baltimore MD 21287 USA Department of Neurology Johns Hopkins School of Medicine Baltimore MD 21287 USA Department of Otolaryngology Johns Hopkins School of Medicine Baltimore MD 21287 USA INSERM U968 Paris France Sorbonne Universités UPMC University Paris 06 UMR_S 968 Institut de la Vision Paris France CNRS UMR_7210 Paris France Department of Computer Architecture and Technology University of Granada (CITIC) Granada Spain Sorbonne Universités UPMC Univ Paris 06 INSERM CNRS Institut de la Vision Paris France Department of Adaptive Machine Systems Osaka University Osaka Japan Department of Computer Science University of Cergy-Pontoise Cergy-Pontoise France Department of Physics and Astronomy College of Charleston Charleston SC 29424 USA School of Physics Faculty of Science University of Sydney Sydney NSW 2006 Australia Center of Excellence for Integrative Brain Function Australian Research Council Sydney Australia Max Planck Institute for Human Cognitive and Brain Sciences Saxony Lei

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Smart Community Load Matching Using Stochastic Demand Modeling and Historical Production Data

Smart Community Load Matching Using Stochastic Demand Modeli...

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IEEE International Conference on Environment and Electrical Engineering

作者： Emilio J. Palacios-Garcia Antonio Moreno-Munoz Isabel Santiago Isabel M. Moreno-Garcia aria I. Milanés-Montero department of Computer Architecture Electronics and Electronic Technology. University of Cordoba. Cordoba Spain. Power Electrical and Electronic Systems (PE&ES) University of Extremadura. Badajoz Spain.

ISBN: (纸本)9781509023219

The current upward trend of the residential energy demand and the high penetration of new renewable resources have changed the conception of the electrical grid. The centralized distribution scheme is currently moving forward to a distributed layout where the paradigm of Smart Energy Communities has emerged, meaning a set of households that share a Microgrid, have tied renewable production and can be either connected or disconnected from the main grid. In this context, due to the reduced dispatchability of the renewable generation, the planning of the installed PV power as well as the storage capacity is the cornerstone in order to achieve a high degree of both self-generation and self-consumption. However, the lack of detailed hourly or sub-hourly data makes it difficult. Therefore, this paper aims to present a high-resolution simulation method for evaluating the PV power and storage capacity requirements for a Smart Community based on a stochastic demand model and real PV production data, so the interplay between consumption and generation can be better understood.

关键词： Energy Consumption load modeling solar power generation energy storage

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Demystifying the 16 × 16 thread-block for stencils on the GPU

Demystifying the 16 × 16 thread-block for stencils on the G...

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作者： Tabik, Siham Peemen, Maurice Guil, Nicolas Corporaal, Henk Department of Computer Architecture University of Málaga Málaga29071 Spain Department of Electrical Engineering Eindhoven University of Technology Eindhoven Netherlands

Summary Stencil computation is of paramount importance in many fields, in image processing, structural biology and biomedicine, among others. There exists a permanent demand of maximizing the performance of stencils on state-of-the-art architectures, such graphics processing units (GPUS). One of the important issues when optimizing these kernels for the GPU is the selection of the best thread-block that maximizes the overall performance. Usually, programmers look for the optimal thread-block configuration in a reduced space of square thread-block configurations or simply use the best configurations reported in previous works, which is usually 16 × 16. This paper provides a better understanding of the impact of thread-block configurations on the performance of stencils on the GPU. In particular, we model locality and parallelism and consider that the optimal configurations are within the space that provides: (1) a small number of global memory communications;(2) a good shared memory utilization with small numbers of conflicts;(3) a good streaming multi-processors utilization;and (4) a high efficiency of the threads within a thread-block. The model determines the set of optimal thread-block configurations without the need of executing the code. We validate the proposed model using six stencils with different halo widths and show that it reduces the optimization space to around 25% of the total valid space. The configurations in this space achieve at least a throughput of 75% of the best configuration and guarantee the inclusion of the best configurations. © 2015 John Wiley & Sons.

关键词： Graphics processing unit

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Cloud-based Community Services in Community Networks

Cloud-based Community Services in Community Networks

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International Conference on Computing, Networking and Communications

作者： Roger Baig Felix Freitag Agusti Moll Leandro Navarro Roger Pueyo Vladimir Vlassov Fundacio Privada per la Xarxa Lliure Oberta i Neural ***. Mas l'Esperanca Department of Computer Architecture. Universitat Politecnica de Catalunya Routek S.L. KTH Royal Institute of Technology

ISBN: (纸本)9781467385800

Wireless networks have shown to be a cost effective solution for an IP-based communication infrastructure in under-served areas. Services and application, if deployed within these wireless networks, add value for the users. This paper shows how cloud infrastructures have been made operational in a community wireless network, as a particular case of a community cloud, developed according to the specific requirements and conditions of the community. We describe the conditions and requirements of such a community cloud and explain our technical choices and experience in its deployment in the community network. The user take-up has started, and our case supports the tendency of cloud computing moving towards the network edge.

关键词： Community networks Cloud computing

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Application of proper orthogonal decomposition and radial basis functions for crack size estimation using particle swarm optimization

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Journal of Physics: Conference Series 2017年第1期842卷

作者： B Benaissa M Köppen M Abdel Wahab S Khatir LEMI Department of Mechanical Engineering University M'hamed Bougara of Boumerdes. Algeria. Faculty of Computer Science and Systems Engineering Department of Creative Informatics Kyushu Institute of Technology. Japan. Department of Electrical Energy Systems and Automation Faculty of Engineering and Architecture Ghent University. Belgium.

Complex engineering problems require simulations, which are computationally expensive in cases of inverse identification tasks since they commonly requires hundreds of thousands of simulations. This paper propose a method based on model reduction for crack size estimation, combining the proper orthogonal decomposition method with radial basis functions. The reduced model is validated by comparing the obtained boundary displacements with the corresponding results from a finite element model. This inverse procedure is formulated as the minimization of the difference between the measured and computed values of displacement at selected boundary nodes, called sensor points, using particle swarm optimization algorithm. Convex and a non-convex specimens have been considered for investigations of crack presence, and identification of its size, different crack sizes have been tested to demonstrate the efficiency of the proposed approach.

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Persistent B+-Trees in non-volatile main memory 41st

Persistent B+-Trees in non-volatile main memory

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41st International Conference on Very Large Data Bases, VLDB 2015

作者： Chen, Shimin Jin, Qin State Key Laboratory of Computer Architecture Institute of Computing Technology Chinese Academy of Sciences China Computer Science Department School of Information Renmin University of China China

computer systems in the near future are expected to have Non- Volatile Main Memory (NVMM), enabled by a new generation of Non-Volatile Memory (NVM) technologies, such as Phase Change Memory (PCM), STT-MRAM, and Memristor. The non-volatility property has the promise to persist in-memory data structures for instantaneous failure recovery. However, realizing such promise requires a careful design to ensure that in-memory data structures are in known consistent states after failures. This paper studies persistent in-memory B+-Trees as B+-Trees are widely used in database and data-intensive systems. While traditional techniques, such as undo-redo logging and shadowing, support persistent B+-Trees, we find that they incur drastic performance overhead because of extensive NVM writes and CPU cache flush operations. PCM-friendly B+-Trees with unsorted leaf nodes help mediate this issue, but the remaining overhead is still large. In this paper, we propose write atomic B+-Trees (wB+-Trees), a new type of main-memory B+-Trees, that aim to reduce such overhead as much as possible. wB+-Tree nodes employ a small indirect slot array and/or a bitmap so that most insertions and deletions do not require the movement of index entries. In this way, wB+- Trees can achieve node consistency either through atomic writes in the nodes or by redo-only logging. We model fast NVM using DRAM on a real machine and model PCM using a cycle-accurate simulator. Experimental results show that compared with previous persistent B+-Tree solutions, wB+-Trees achieve up to 8.8x speedups on DRAM-like fast NVM and up to 27.1x speedups on PCM for insertions and deletions while maintaining good search performance. Moreover, we replaced Memcached's internal hash index with tree indices. Our real machine Memcached experiments show that wB+-Trees achieve up to 3.8X improvements over previous persistent tree structures with undo-redo logging or shadowing. © 2015 VLDB Endowment 21508097/15/03.

关键词： Dynamic random access storage

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Development of a cortical visual neuroprosthesis for the blind: Replacing the role of the retina 7

Development of a cortical visual neuroprosthesis for the bli...

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7th International IEEE/EMBS Conference on Neural Engineering, NER 2015

作者： Fernández, Eduardo Martínez-Álvarez, Antonio Olmedo, Andres Romero, Samuel Morillas, Christian Ferrandez, Jose Manuel Pelayo, Francisco Normann, Richard A. University Miguel Hernández CIBER BBN Elche Spain Department of Computer Technology University of Alicante Spain Departament of Computer Architecture and Technology University of Granada Spain Department of Electronics and Computer Technology Technical University of Cartagena Spain Department of Bioengineering University of Utah Salt Lake CityUT United States

ISBN: (纸本)9781467363891

Cortical prostheses are a subgroup of visual neuroprosthesis capable of eliciting visual percepts in profoundly blind people through direct stimulation of the occipital cortex. This approach is the only treatment available for blindness caused by glaucoma, optic atrophy or by diseases of the central visual pathways such as brain injuries or stroke. If these higher visual centers could be stimulated with visual information in a format somewhat similar to the way they were stimulated before the onset of blindness, a blind individual could be able to use this stimulation to extract information about the physical world around him/her. Here we present an update of the strategies we are using to transmit visual information in a meaningful way to the brain. © 2015 IEEE.

关键词： Neurosurgery

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Local energy micro-storage systems in smart communities with active, reactive and harmonic control

Local energy micro-storage systems in smart communities with...

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International Conference on Environment and Electrical Engineering (EEEIC)

作者： María-Isabel Milanés-Montero Eva González- Romera Fermín Barrero-González Enrique Romero-Cadaval Antonio Moreno-Munoz Universidad de Extremadura Caceres Extremadura ES Electrical Electronic and Automation Engineering Dept. University of Extremadura Badajoz Spain Computer Architecture Electronics and Electronic Technology Department Universidad de Córdoba Córdoba Spain

ISBN: (纸本)9781509023219

This paper aims to provide control strategies for distributed micro-storage energy systems at the residential level to contribute to smart grid goals. The operation of local Energy Storage Systems (ESS) at homes in a Smart Community with distributed generation based of renewable energies is analyzed by simulation. Each individual home receive the active and reactive power set-points from the Smart Community Energy Management System (SCEMS), acting as an aggregator of resources in the community according to the expected demand and production. Besides, in case the ESS has got available capacity, once the SCEMS requirements are satisfied, it is used to inject the harmonic current components demanded by the household circuitry. It allows a local improvement in the power quality of the demanded current, and so contributes to the global power quality consumption of the community. Simulation results showing the operation of the local ESS are presented to validate the proposed control strategies.

关键词： Harmonic analysis Reactive power Simulation Power quality Batteries Power system harmonics

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