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International Symposium on Medical Information & Communication Technology (ISMICT)

作者： Hiroki Katsuta Yuichiro Takei Kenichi Takizawa Tetsushi Ikegami Electrical Engineering Program Graduate School of Science and Technology Meiji University Japan Dependable Wireless Laboratory Wireless Network Research Institute NICT Japan

This paper shows a performance evaluation for ultra wideband (UWB)-based wireless body area networks (WBANs) through experiments by using a prototype. Specifications on the physical (PHY) and media access control (MAC) of the prototype are based on the draft standard for IEEE802.15.6. On the PHY, the prototpe uses UWB that its center frequency is 4.096 GHz with bandwidth of around 700 MHz. The MAC layer is based on a superframe structure comprising time slots assigned to a beacon slot, slots for contention access period (CAP), or slots for contention-free period (CFP). Experiments have been conducted with mounting the devices on human body in an anechoic chamber. Over-the-air experiments have been conducted when multiple nodes connecting to a single hub device send packets simultaneously. Through experiment results, it is shown that the number of slots allocated to CAP is crucial in order to maintain packet transmission successfully.

关键词： Modulation Indexes Wrist Back

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Study on free electrons generated by concealed radioactive materials under controlled gaseous environment

Study on free electrons generated by concealed radioactive m...

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International Conference on Infrared and Millimeter Waves

作者： D. S. Kim W. S. Lee J. H. So E. M. Choi Physics Program in Graduate School of UNIST Ulsan National Institute of Science and Technology Ulsan South Korea Agency for Defense Development Daejeon South Korea Physics Program in Graduate School of UNIST School of Electrical and Computer Engineering Ulsan National Institute of Science and Technology Ulsan South Korea

We estimate the amount of free electrons generated by concealed radioactive materials using MCNP code. This simulation results show that the existence of radioactive sources enhances the number of photons and backgrou... 详细信息

关键词： Containers Photonics Steel Radioactive materials Gyrotrons Electric breakdown

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A Taxonomy for User-Healthcare Robot Interaction

A Taxonomy for User-Healthcare Robot Interaction

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Annual International Conference of the IEEE engineering in Medicine and Biology Society

作者： Conrad Bzura Hosung Im Tammy Liu Kevin Malehorn Taskin Padir Bengisu Tulu Biomedical Engineering Department Worcester Polytechnic Institute Worcester MA 01609 USA Robotics Engineering Program Worcester Polytechnic Institute Worcester MA 01609 USA Management Information Systems Program Worcester Polytechnic Institute Worcester MA 01609 USA Assistant Professor of Robotics Engineering and Electrical and Computer Engineering Worcester Polytechnic Institute Worcester MA 01609 USA Assistant Professor in the School of Business Worcester Polytechnic Institute Worcester MA 01609 USA

ISBN: (纸本)9781424441198

This paper evaluates existing taxonomies aimed at characterizing the interaction between robots and their users and modifies them for health care applications. The modifications are based on existing robot technologies and user acceptance of robotics. Characterization of the user, or in this case the patient, is a primary focus of the paper, as they present a unique new role as robot users. While therapeutic and monitoring-related applications for robots are still relatively uncommon, we believe they will begin to grow and thus it isimportant that the spurring relationship between robot and patient is well understood.

关键词： understood relationship isimportant

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Real Options approach to estimate financial benefit of advanced process control

Real Options approach to estimate financial benefit of advan...

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IEEE/SICE International Symposium on System Integration

作者： Anukoon Asawachatroj David Banjerdpongchai Pornanong Busaratragoon Technoprenuership and Innovation Management Program Graduate School Chulalongkorn University Thailand Department of Electrical Engineering Faculty of Engineering Chulalongkorn University Thailand Department of Banking and Finance Faculty of Commerce and Accountancy Chulalongkorn Business School Thailand

Benefit estimation is one of the most important parts of feasibility study of investment projects. In order to make a solid business justification in investment, the management team always quantified the benefit from the projects. Current industrial approach to estimate benefit of advanced process control (APC) is based on the conventional estimation techniques, namely, statistical analysis and payback period. Due to the chaos information and uncertainties of business environment, these conventional techniques cannot effectively provide the alternative consideration of the investment. In this paper, we develop the Real Options technique for the benefit estimation with application to APC. The Real Options technique will be employed to the Innovative Recommender System for control system project assessment tools as part of the Integrated Economic Assessment (IEA) Framework. We demonstrate the effectiveness of the proposed method to a case study of control automation project subject to business environment uncertainty.

关键词： Investments Estimation Educational institutions Economics Analytical models Pricing

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A Heuristic Rule Reduction Approach to Software Fault-proneness Prediction

A Heuristic Rule Reduction Approach to Software Fault-pronen...

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Asia-Pacific Conference on Software engineering

作者： Akito Monden Jacky Keung Shuji Morisaki Yasutaka Kamei Ken-Ichi Matsumoto Graduate School of Information Science Nara Institute of Science and Technology Ikoma Nara Japan Department of Computing Hong Kong Polytechnic University Hong Kong China Faculty of Informatics Shizuoka University Hamamatsu Shizuoka Japan Graduate School and Faculty of Information Science and Electrical Engineering Kyushu University Fukuoka Japan

Background: Association rules are more comprehensive and understandable than fault-prone module predictors (such as logistic regression model, random forest and support vector machine). One of the challenges is that there are usually too many similar rules to be extracted by the rule mining. Aim: This paper proposes a rule reduction technique that can eliminate complex (long) and/or similar rules without sacrificing the prediction performance as much as possible. Method: The notion of the method is to removing long and similar rules unless their confidence level as a heuristic is high enough than shorter rules. For example, it starts with selecting rules with shortest length (length=1), and then it continues through the 2nd shortest rules selection (length=2) based on the current confidence level, this process is repeated on the selection for longer rules until no rules are worth included. Result: An empirical experiment has been conducted with the Mylyn and Eclipse PDE datasets. The result of the Mylyn dataset showed the proposed method was able to reduce the number of rules from 1347 down to 13, while the delta of the prediction performance was only. 015 (from. 757 down to. 742) in terms of the F1 prediction criteria. In the experiment with Eclipsed PDE dataset, the proposed method reduced the number of rules from 398 to 12, while the prediction performance even improved (from. 426 to. 441.) Conclusion: The novel technique introduced resolves the rule explosion problem in association rule mining for software proneness prediction, which is significant and provides better understanding of the causes of faulty modules.

关键词： Measurement Association rules Explosions Software Predictive models Educational institutions

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Corrigendum: Azide photochemistry for facile modification of graphitic surfaces: preparation of DNA-coated carbon nanotubes for biosensing

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Nanotechnology 2013年第37期24卷

作者： Minoo J Moghaddam Wenrong Yang Barbara Bojarski Thomas R Gengenbach Mei Gao Hadi M Zareie Maxine J McCall CSIRO Materials Science and Engineering North Ryde NSW 2113 Australia Present address: School of Life and Environmental Sciences Deakin University Geelong Vic 3217 Australia. CSIRO Materials Science and Engineering Clayton VIC 3169 Australia Institute for Nano-scale Technology University of Technology Sydney NSW 2007 Australia Present address: Nanotechnology Graduate Program Department of Electrical Engineering Gediz University Izmir Turkey. CSIRO Animal Food and Health Sciences North Ryde NSW 2113 Australia

The full text of this article is available in the PDF provided.

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Admission and Traffic Control Schemes Suitable for QoS Applications in WLAN Systems

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American Journal of Operations Research 2012年第3期2卷 382-390页

作者： Takefumi Hiraguri Takayuki Kimura Toshiyuki Ogawa Hiroshi Takase Akira Kishida Kentaro Nishimori Doctoral Program in Graduate School of Electrical Engineering Nippon Institute of Technology 4-1 Gakuendai Miyashiro Minami-Saitama Saitama Japan Graduate School of Science & Technology Niigata University 8010 Igarashi 2-nocho Nishi-ku Niigata Japan Nippon Institute of Technology 4-1 Gakuendai Miyashiro Minami-Saitama Saitama Japan NTT Access Network Service Systems Laboratories 1-1 Hikarinooka Yokosuka Kanagawa Japan

This paper proposes the use of admission and traffic control schemes for real-time applications. The admission control scheme determines the admission of high-priority real-time applications such as voice and video streams in terms of their bandwidth utilization time (medium time), whereas the traffic control scheme maintains the communication quality of applications permitted admission by restricting other traffic. Owing to the use of contention-based access, a conventional scheme without admission control will degrade the communication quality when the number of terminals using high-priority applications increases. Moreover, only the capabilities (i.e., frame and sequence procedures) of admission control are defined in the IEEE 802.11e standard;the detailed usage in terms of the application characteristics is not specified, and it may be difficult to achieve a sufficient level of quality of service (QoS). The proposed schemes achieve the optimum QoS for actual services. The software used in the proposed schemes was implemented into hardware at the access point, and was evaluated experimentally. Based on the evaluation results, excellent performances with high QoS applications were obtained.

关键词： QoS IEEE 802.11 Admission Control Traffic Control EDCA

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Fault Detection and Isolation for Nonlinear Systems via HOSM Multiple-Observer *

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IFAC Proceedings Volumes 2012年第20期45卷 534-539页

作者： H. Ríos C. Edwards J. Davila L. Fridman National Autonomous University of Mexico Program of PhD in Electrical Engineering Engineering Faculty C.P. 04510 Mexico D.F Control and Instrumentation Research Group Department of Engineering University of Leicester University Road Leicester LE1 7RH UK National Polytechnic Institute Section of Graduate Studies and Research ESIME-UPT C.P. 07340 Mexico D.F Department of Automatic Control CINVESTAV-IPN Mexico D.F. AP-14-740 on leave on National Autonomous University of Mexico Engineering Department of Control and Robotics Division of Electrical Engineering Engineering Faculty C.P. 04510 Mexico D.F

The fault detection and isolation problem is studied for a class of nonlinear systems. Under structural conditions, a bank of High-Order Sliding-Mode observers is proposed. The value of the equivalent output injection is used for detecting and isolating particular faults in the system. The proposed method provides finite-time isolation of actuator and plant faults. Simulation results support the proposed approach.

关键词： High-order Sliding-Mode Observers Fault Detection Fault Isolation

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Functional movement modeling for robot-assisted upper limb rehabilitation: The case of a simulated reduced-freedom anthropomorphic manipulator

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Revista Brasileira de Engenharia Biomedica 2012年第1期28卷 3-10页

作者： Abadia, Fernando Gonçalves Santiago, Paulo Roberto Pereira de Oliveira, Marco Antônio Assfalk Vieira, Marcus Fraga Post-graduate Program of Electrical and Computer Engineering Federal University of Goiás - UFG Goiânia Go Brazil School of Physical Education and Sport of Ribeirão Preto University of São Paulo - USP Ribeirão Preto SP Brazil School of Electrical and Computer Engineering Federal University of Goiás - UFG Goiânia Go Brazil Laboratory for Bioengineering and Biomechanics Federal University of Goiás - UFG Mail Box 131 Zip Code 74001-940 Goiânia Go Brazil

This paper presents the results of an on-going investigation into the use of an anthropomorphic robotic manipulator with three degrees of freedom (two DOF shoulder joint and one DOF elbow joint) for rehabilitation of a human upper arm. The reduction to three DOF for this manipulator allows for a simpler project, leading to a lower cost of production and maintenance: important factors for its intended wide-spread use in financially restricted areas, e.g., the state of Goiás, Brazil. The project focuses on determining the variations observed for a class of trajectories known as functional movements. These functional movements are trajectories realized when a limb is used for a given function, e.g., combing the hair. In this present paper we use three functional movements: hair combing, bringing a cup to one's mouth and a waving movement. We describe how these functional movements are acquired from test subjects and compared in computer simulations to the equivalent functional movements of our proposed reduced-order anthropomorphic manipulator. Our research indicates that the errors incurred in using a reduced-order shoulder joint are well within the observed variation in the functional movements of human subjects, when compared among different subjects and also between similar functional movements of any one given human subject. Despite the limitations, the proposed manipulator would be viable for rehabilitation of patients in early phases of a stroke, at lower cost of production.

关键词： Patient rehabilitation

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Design of welding system in three-dimensional numerical control using laser with dual-wavelength and four-focus

Design of welding system in three-dimensional numerical cont...

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International Conference on Electronics and Optoelectronics

作者： Cai, Jun Li, Yuxiang Liu, Jian Zhang, Guo Center of Engineering Practice Training Tianjin Polytechnic University Tianjin China School of Mechanical and Electrical Engineering Tianjin Polytechnic University Tianjin China Department of Graduate Tianjin Polytechnic University Tianjin China

ISBN: (纸本)9781612842738

Laser welding has attracted so much attention in the field of processing, welding system in three-dimensional numerical control using in laser with dual-wavelength and four-focus is designed in this paper, the principle of multi-focus is described, the composition and control flow of control system of laser welding are analyzed. © 2011 IEEE.

关键词： Laser beam welding

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