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Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2012年 7248 LNCS卷 VI-XI页

作者： Di Chio, Cecilia Agapitos, Alexandros Cagnoni, Stefano Cotta, Carlos De Vega, F. Fernández Di Caro, Gianni Drechsler, Rolf Ekárt, Anikó Esparcia-Alcázar, Anna I. Farooq, Muddassar Langdon, William B. Merelo-Guervós, Juan-J. Preuss, Mike Richter, Hendrik Silva, Sara Simões, Anabela Squillero, Giovanni Tarantino, Ernesto Tettamanzi, Andrea G.B. Togelius, Julian Urqhart, Neil Uyar, A. Şima Yannakakis, Georgios N. University College Dublin Ireland Dept. of Computer Engineering University of Parma Italy Dept. Lenguajes Y Ciencias de la Computación University of Málaga Spain University of Extremadura Spain Lugano Switzerland Cyber-Physical Systems DFKI Bremen Germany Computer Science Aston University Birmingham United Kingdom S2 Grupo Spain National University of Computer and Emerging Sciences Islamabad Pakistan University College London United Kingdom Departamento de Arquitectura Y Tecnología de Computadores Universidad de Granada Spain TU Dortmund University Germany Faculty of Electrical Engineering and Information Technology HTWK Leipzig University of Applied Sciences Germany INESC-ID Lisboa Portugal Coimbra Institute of Engineering Coimbra Polytechnic Coimbra Portugal Politecnico di Torino Italy Institute for High Performance Computing and Networking Italy Università degli Studi di Milano Italy Center for Computer Games Research IT University of Copenhagen Denmark Centre for Emergent Computing Edinburgh Napier University United Kingdom Dept. of Computer Engineering Istanbul Technical University Turkey

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Wearable Computers: A Study on ECG Signal Changes during Everyday Activities

Wearable Computers: A Study on ECG Signal Changes during Eve...

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International Conference on Biometrics and Kansei Engineering, ICBAKE

作者： Adam Szczepanski Khalid Saeed Andreas Riener Alois Ferscha Faculty of Physics and Applied Computer Science AGH University of Science and Technology Cracow Poland Institute for Pervasive Computing Johannes Kepler University Linz Linz Austria

This paper deals with the analysis of the ECG signal during the same everyday activities of 5 people working together. The purpose of the work is to determine the influence of such factors as eating, working or walking on the pulse and the average heartbeat shape. The inter-beat intervals and R values are measured and examined. Authors try to draw conclusions which will help them in developing the real-time ECG analysis and diagnostics system. This will help monitor the person all day long and alert the right people in case of emergency.

关键词： Electrocardiography Heart beat Correlation Biomedical monitoring Shape Monitoring

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Context Parsing, Processing and Distribution in Clouds

Context Parsing, Processing and Distribution in Clouds

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International Conference on Intelligent Networking and Collaborative Systems (INCOS)

作者： Saad Liaquat Kiani Ashiq Anjum Nik Bessis Richard Hill Michael Knappmeyer Faculty of Engineering and Technology University of West of England Bristol UK School of Computing and Mathematics University of Derby Derby UK Faculty of Engineering and Computer Science University of Applied Sciences Osnabrück Osnabruck Germany

Context is information that describes the situations in which computing, social and physical interactions take place. The complexity and scope of context information available for utilization by context-consuming applications, such as those executing on smart mobile devices, sensing and tracking platforms, etc. is growing with the increased integration of digital artifacts in smart environments. Similarly, the uptake of Cloud computing has significantly influenced the traditional information processing and infrastructure provision models by offering an agile, scalable and cost effective computing paradigm. This is leading to the adoption of Cloud-based solutions for the pervasive and ubiquitous environments, however, there are significant challenges that need to be overcome before its exploitation by real world applications and users. The context information consumed and produced by the applications and devices needs to be represented, disseminated, processed and consumed by numerous components in a context-aware Cloud system. Significant amount of context consumption, production and processing takes place on devices and there is limited or no support for collaborative modeling, persistence and processing between the device-Cloud ecosystems. In this paper we propose an environment for context processing in a Cloud-based distributed infrastructure that offloads complex context processing from the applications and devices. An experimental analysis of complexity based context-processing categories has been carried out to establish the processing-load boundary. The results demonstrate that the proposed collaborative device-Cloud infrastructure provides significant performance and energy conservation benefits for mobile devices and applications.

关键词： Context XML Mobile handsets Complexity theory Context modeling Subscriptions Computer architecture

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A 6-DOF Heavy-Load Parallel Manipulator with RFTA and its Application

A 6-DOF Heavy-Load Parallel Manipulator with RFTA and its Ap...

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2011 IEEE International Conference on Robotics and Automation(2011年IEEE世界机器人与自动化大会 ICRA 2011)

作者： Jianzheng Zhang Feng Gao Cunxiang Ma Xianchao Zhao Hongnian Yu Dan Zhang State Key Laboratory of Mechanical System and Vibration Shanghai Jiao Tong UniversityShanghai 20024 Faculty of Computing Engineering and Technology Staffordshire UniversityStaffordST18 0DGUK Faculty of Engineering and Applied Science UOIT2000 Simcoe Street North OshawaON L1H 7K4Canada

This paper proposes a 6-DOF (Degree of Freedom) heavy-load parallel manipulator with a redundant actuation and fault-tolerant actuator (RFTA). The novel RFTA model of the proposed manipulator is developed and its working principle is described. In order to achieve the given motion, the mathematic models of the proposed manipulator with the RFTA are derived. As a prototype of an earthquake simulator, two experiments are performed. The experimental results demonstrate that the RFTA is able to supply the required double driving force and appropriate used as an actuator of a low frequency earthquake simulator. The results of the fault-tolerant experiment show the earthquake simulator with the RFTA is capable of tolerating some local faults. The proposed parallel manipulator can also be applied under other heavy-load environments.

关键词： Force Fasteners Kinematics Mathematical model Equations Manipulator dynamics

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Dynamic analysis of Hybrid III 3-year-old child dummy in frontal collisions

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International Journal of Vehicle Safety 2011年第3期5卷 232-270页

作者： Elmarakbi, Ahmed Krznaric, Vid Sennah, Khaled Altenhof, William Chapman, Michael Department of Computing Engineering and Technology Faculty of Applied Sciences University of Sunderland Sunderland SR6 0DD United Kingdom Civil Engineering Department Ryerson University Toronto ON M5B 2K3 Canada Department of Mechanical Automotive and Materials Engineering University of Windsor Windsor ON N9B 2N5 Canada

This paper focuses on minimising child injuries experienced during frontal vehicle-to-pole collisions by improving on the safety and energy absorption of existing traffic pole structures. A Finite Element (FE) computer model, using LS-DYNA software, is used to simulate crash events to determine the influence of pole structural and material characteristics on the injury parameters of a 3-year-old child dummy occupant. It is concluded that the anchored base support and the embedded pole in soil systems provide desirable crashworthy results. In addition, it is recommended to mandate traffic protection devices in all areas with poor energy-absorbing characteristics that resemble non-deformable objects. Copyright © 2011 Inderscience Enterprises Ltd.

关键词： Finite element method

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Configuring the stochastic Helmholtz machine for subcortical emotional learning

Configuring the stochastic Helmholtz machine for subcortical...

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2010 6th IEEE World Congress on Computational Intelligence, WCCI 2010 - 2010 International Joint Conference on Neural Networks, IJCNN 2010

作者： Yau, Chi-Yung Burn, Kevin Wermter, Stefan Faculty of Applied Sciences Department of Computing Engineering and Technology University of Sunderland United Kingdom Institute for Knowledge Technology Department of Informatics University of Hamburg Germany

ISBN: (纸本)9781424469178

Emotional learning involves two stages. The first is to acquire reinforcers from stimuli and the second is to associate such reinforcers with emotional responses. Both stages can be found occurring in the amygdala. LeDoux's fear circuit model [1] suggests two routes, a subcortical route and a cortical route, for emotional information entering the amygdala for associative learning. It can be used to explain how the actual recognition of emotions from facial expressions can be processed in the brain. Based on the model, a neural architecture is proposed using the stochastic Helmholtz machine (SHM) with the wake-sleep algorithm. In this paper, the results of three experiments about the subcortical emotional learning are reported, where different configurations of SHMs are involved. The first two experiments are to identify a suitable way to allow behavioural responses entering the central nucleus of the amygdala for association. However, both experiments show symptoms of overfitting, where some weights and biases of neurons are observed that will unusually increase during training. Therefore, the final experiment is designed to maintain the range of weights between -1 and +1 in order to solve the overfitting problem. The last experiment shows that the neural architecture with the new weight policy holds a lot of potential for modelling subcortical learning. © 2010 IEEE.

关键词： Stochastic systems

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Modelling and Remote Control of an Excavator

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International Journal of Automation and computing 2010年第3期7卷 349-358页

作者： Yang Liu Mohammad Shahidul Hasan Hong-Nian Yu Faculty of Computing Engineering and Technology Staffordshire University Stafford ST18 0AD UK Centre for Applied Dynamics Research School of Engineering University of Aberdeen Aberdeen AB24 3UE UK

This paper presents the results of an on-going project and investigates modelling and remote control issues of an industry excavator. The details of modelling, communication, and control of a remotely controllable excavator are studied. The paper mainly focuses on trajectory tracking control of the excavator base and robust control of the excavator arm. These will provide the fundamental base for our next research step. In addition, extensive simulation results for trajectory tracking of the excavator base and robust control of the excavator arm are given. Finally, conclusions and further work have been identified.

关键词： Excavator remote control mechatronics modelling.

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Developing a usability evaluation framework (FUEML) for modeling languages

Developing a usability evaluation framework (FUEML) for mode...

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IASTED International Conference on Software Engineering, SE 2010

作者： Schalles, Christian Rebstock, Michael Creagh, John Dept. of Computing Institute of Technology Cork Ireland Faculty of Economics and Business Administration University of Applied Sciences Darmstadt Haardtring 100 64295 Darmstadt Germany

ISBN: (纸本)9780889868212

In recent years, various different modeling languages and tools were developed to support the process of modeling in the field of software engineering. The usability of modeling languages has not been explicitly considered in past research. Most usability evaluation surveys are mainly focusing on applications, websites, software and technical products. Hence, usability has not been considered within the development of current languages for conceptual modeling such as EPC and UML diagrams. The objective of this paper is the adoption of existing usability definitions to modeling languages. Based on this, an evaluation framework focusing on the usability of modeling languages is proposed.

关键词： Human computer interaction

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Choosing field methods: A reflection on a RepGrid study 10

Choosing field methods: A reflection on a RepGrid study

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Proceedings of the 6th Nordic Conference on Human-Computer Interaction: Extending Boundaries

作者： Edwards, Helen M. McDonald, Sharon Young, S. Michelle Department of Computing Engineering and Technology Faculty of Applied Sciences University of Sunderland St Peter's Campus Sunderland SR6 0DD United Kingdom

ISBN: (纸本)9781605589343

Usability researchers increasingly need to get into the field to study emerging technologies and new contexts of use. Success in such endeavors requires an appropriate toolbox of techniques, to use in specific settings and with a broad range of user groups. In this study a user group of elderly citizens considered what benefits mobile technologies could offer them. Two techniques (repertory grids and semi-structured interviews) were used. Reflection on the study has led to identification of a number of criteria to consider when choosing field methods. © 2010 ACM.

关键词： Telecommunication equipment

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A generic metric for measuring complexity of models

A generic metric for measuring complexity of models

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作者： Schalles, Christian Creagh, John Rebstock, Michael Department of Computing Cork Institute of Technology Rossa Ave Cork Ireland Faculty of Economics and Business Administration Hochschule Darmstadt University of Applied Sciences Haardtring 100 64295 Darmstadt Germany

ISBN: (纸本)9789898425065

In recent years, various object and process oriented modelling methods were developed to support the process of modelling in enterprises. When applying these methods, graphical models are generated and used to depict various aspects of enterprise architectures. Concerning this, surveys analyzing modelling languages in different ways were conducted. In many cases these surveys include experimental data collection methods. At this juncture the complexity of concrete models often affects output of these studies. To ensure complexity value comparability of different models, a generic metric for measuring complexity of models is proposed.

关键词： Surveys

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