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ICROS-SICE International Joint Conference 2009, ICCAS-SICE 2009

作者： Zhang, Xiu Wang, Xingyu Sugi, Takenao Ikeda, Akio Nagamine, Takashi Shibasaki, Hiroshi Nakamura, Masatoshi Department of Automation East China University of Science and Technology Shanghai China Department of Electrical and Electronic Engineering Saga University Saga Japan Department of Neurology Graduate School of Medicine Kyoto University Kyoto Japan Department of System Neuroscience Sapporo Medical University Hokkai-do Japan Takeda General Hospital Kyoto Japan Research Institute of Systems Control Institute for Advanced Research and Education Saga University Saga Japan

ISBN: (纸本)9784907764333

Quantitative analysis and detection of abnormalities for electroencephalogram (EEG) recordings during evoked activities are essential for clinical diagnosis on neurological disorders. However, the process of interpreting EEG is time consuming and requires experienced electroencephalographers (EEGers). In this study, a method of automatic EEG interpretation during hyperventilation was proposed. The purpose is to provide a quantitative interpretation of EEG which is able to conform to EEGers' visual inspection. The final integrated results of automatic interpretation were compared with EEGers' evaluation, and showed high consistence. © 2009 SICE.

关键词： Electroencephalography

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Development of a desktop swarm robot system based on pheromone communication

Development of a desktop swarm robot system based on pheromo...

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作者： Kitamura, Naoyuki Nakamichi, Yoshiyuki Fukuda, Koji Advanced Course of Electricity and Control System Engineering Anan National College of Technology 265 Aoki Minobayashi Anan Tokushima 774-0017 Japan Department of Systems and Control Engineering Anan National College of Technology 265 Aoki Minobayashi Anan Tokushima 774-0017 Japan Department of Electronic Control Engineering Gifu National College of Technology 2236-2 Kamimakuwa Motosu Gifu 501-0495 Japan

ISBN: (纸本)9784990288037

Complex and adaptive behavior of population emerges in social insects. Especially in ants, pheromone communication is the key to understanding their swarm intelligence. This paper proposes a swarm robot system based on pheromone communication and reports our current status of development of the robot system. We believe that the system could be used in swarm robotics and complex systems education. ©ISAROB 2009.

关键词： Multipurpose robots

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Real-time estimation system of gaze angle based on electrooculogram

Real-time estimation system of gaze angle based on electrooc...

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作者： Zhang, Xiu Sugi, Takenao Wang, Xingyu Nakamura, Masatoshi Department of Automation East China University of Science and Technology 130 St. Meilong Shanghai China Department of Electrical and Electronic Engineering Saga University 1 Honjimachi Saga 840-8502 Japan Department of Advanced Systems Control Engineering Saga University 1 Honjimachi Saga 840-8502 Japan

ISBN: (纸本)9784990288037

This paper describes an online eye-tracking method based on electrooculogram (EOG) to estimate gaze angle. The objective is to use biomedical signal EOG as the input of human-machine interface for both disabled and healthy people. In this study, a quadratic function is applied to set the relation between EOG and gaze angle. The estimated gaze angle is decided by three EOG channels with maximum amplitude after compensating shift and smoothing. The results of real-time estimation showed high accuracy, which makes it possible in many application fields, such as assistance robot control, online word processor and so on. ©ISAROB 2009.

关键词： Eye tracking

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Artificial realization of an adaptive expert knowledge database for automatic sleep stage determination in clinical practice

Artificial realization of an adaptive expert knowledge datab...

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作者： Wang, Bei Sugi, Takenao Kawana, Fusae Wang, Xingyu Nakamura, Masatoshi Department of Automation East China University of Science and Technology Shanghai 200237 China Department of Electrical and Electronic Engineering Saga University Saga 840-8502 Japan Department of Clinical Physiology Toranomon Hospital Tokyo 105-8470 Japan Department of Advanced Systems Control Engineering Saga University Saga 840-8502 Japan

ISBN: (纸本)9784990288037

Artificial realization of an adaptive expert knowledge database for the sleep data from clinics was investigated. The ultimate purpose is to develop automatic sleep stage determination technique for variable cases of sleep data in hospitals. The automatic sleep stage determination algorithm is designed by using probabilistic method based on conditional probability. In order to make algorithm flexible for variable sleep data, an adaptive expert knowledge database is constructed based on a set of fundamental and optional parameters. The parameters, which can improve the accuracy of sleep stage recognition for the training data, are selected. The adaptive expert knowledge database is consisting of the probability density functions of fundamental parameters and selected optional parameters. The overnight sleep data of 4 subjects from Toranomon hospital, Tokyo, Japan were utilized for analysis. The automatic sleep stage determination results were compared with the visual inspection by clinician. Finally, satisfied results of close agreement with the visual inspection were obtained. The developed automatic sleep stage determination by adaptive expert knowledge database can be an effective tool for clinical practice. ©ISAROB 2009.

关键词： Hospitals

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Generalized Local Priority Based Medical Image Fusion Scheme

Generalized Local Priority Based Medical Image Fusion Scheme

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International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IIHMSP)

作者： Jiasheng Hao Yi Shen Hongbing Xu Jianxiao Zou School of Automation Engineering University of Electronic Science and Technology ChengDu China Department of Control Science and Engineering Harbin Institute of Technology Harbin China

Computer aided fusion of multi modality medical images provides a very promising diagnostic tool with numerous clinical applications. The objective of this paper is to present a novel scheme of medical imaging fusion. We define ¿local to be fused¿ of the process of image fusion as a generalized local, which extends airspace locals to generalized locals, and promotes the airspace local priority to generalized local priority. Based on this priority, the volume-weighted of token coefficient of images is introduced and weighted so that multi-modal medical image fusion is achieved with high quality. This scheme is applied to CT/MRI datasets and results show the effectiveness of the method.

关键词： Biomedical imaging Image fusion Medical diagnostic imaging Computed tomography Magnetic resonance imaging Biomedical engineering Positron emission tomography Signal processing automation Automatic control

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An evaluation of a use case driven requirements analysis using web UI prototype generation tool

An evaluation of a use case driven requirements analysis usi...

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作者： Ogata, Shinpei Matsuura, Saeko Function Control System Graduate School of Engineering Shibaura Institute of Technology 307 Fukasaku Minuma-ku Saitama-City Saitama 337-8570 Japan Department of Electronic Information Systems College of System Engineering and Science Shibaura Institute of Technology 307 Fukasaku Minuma-ku Saitama-City Saitama 337-8570 Japan

ISBN: (纸本)9789604741274

It has been widely acknowledged that a major reason for software project failure is the ambiguous and incomplete customer's requirements. One of their main cautions is the inconsistency between implementation image and specification at an early stage of software development. Therefore, we have been proposed a method to automatically generate a user interface prototype from a requirements analysis model in Unified Modeling Language in order to decrease inconsistency between them for business Web application development. In this paper, we have compared our proposal with traditional use case modeling to evaluate the effectiveness of our proposal.

关键词： Unified Modeling Language

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A region entropy based objective evaluation method for image segmentation

A region entropy based objective evaluation method for image...

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IEEE Instrumentation and Measurement Technology Conference

ISBN: (纸本)9781424433520

Many image segmentation methods have been proposed over the last few decades. However, the results of segmentation are usually evaluated only visually, qualitatively, or indirectly by the effectiveness of the segmentation on the subsequent processing steps. Such methods are either subjective or tied to particular applications. A few quantitative evaluation methods have been proposed, but these early methods have been based entirely on empirical analysis and have no theoretical grounding. In this paper, we put forward the concept of segmentation entropy, based on which a novel objective segmentation evaluation method is proposed. This method uses region entropy as the basis for measuring the uniformity of pixel characteristics within segmented regions and segmented entropy as a whole measure to provide a relative qualitative score that can be used to compare both various parameterizations of one particular segmentation method as well as fundamentally different segmentation techniques.

关键词： Image segmentation Random variables Information theory Particle measurements Information entropy Instrumentation and measurement automation Automatic control Grounding Measurement standards

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Robust fuzzy fault detection for non-linear stochastic dynamic systems

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Open automation and control systems Journal 2009年第1期2卷 45-53页

作者： El-Ghatwary, Magdy G. Ding, Steven X. Industrial Electronic and Automatic Control Department Faculty of Electrical Engineering Menoufia University Menouf 32952 Menofia Egypt Institute for Automatic Control and Complex System University of Duisburg-Essen Germany

One of the difficults for fault detection techniques for non-linear stochastic systems via model-based methods is the design of residual generation. In this paper, a new fault detection (FD) approche for non-linear stochastic systems is proposed. The non-linear system is represented by a discrite Takagi-Sugeno (TS) fuzzy model. The use of (TS) theory allows to represent non-linear systems as a set of linear systems, which represent the local system behavior around different operating points. The global system behaviour is described by a fuzzy fusion of all systems. The FD system for each local sub system is designed by solving the corresponding Discrite Algebra Recati Equation (DARE). Optimization algorithm based on minimizing the residual covariance matrix is used to obtain a robust FD for global system behavior. The observer gain matrices are solved using a set of Linear matrix Inequalities (LMIs). © El-ghatwary and Ding;Licensee Bentham Open.

关键词： Fault detection

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Hilbert-Huang Transform and its application in ultrasonic transducer analysis

Hilbert-Huang Transform and its application in ultrasonic tr...

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IEEE Youth Conference on Information, Computing and Telecommunication, YC-ICT

作者： Qing He Guoqi Li College of Electronic Information and Automation Tianjin University of Science and Technology TUST Tianjin China Department of System Engineering of Engineering Technology Beihang University Beijing China

A method to analyze the properties of ultrasonic transducer is proposed. The method is based on Hilbert-Huang Transform. The signals derived from ultrasonic transducer will be decomposed by empirical mode decomposition, and then the intrinsic mode functions can be obtained. So the marginal spectrum of each intrinsic mode functions will be calculated. The marginal spectrum offers a measure of total amplitude (or energy) contribution from each frequency value. Using those marginal spectrums and intrinsic mode functions, the amplitude and frequency properties of ultrasonic transducer can be analyzed. The proposed method was applied to analyze the properties of two ultrasonic transducers in experiment, and the results show that it is effective.

关键词： Ultrasonic transducers Frequency Biomedical transducers Acoustic transducers Signal analysis Signal processing Information analysis systems engineering and theory automation Energy measurement

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A nonlinear plant control by means of simulator-based foresight control

A nonlinear plant control by means of simulator-based foresi...

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SICE Annual Conference

作者： Tao Zhang Motomiki Uchida Masatoshi Nakamura Department of Automation Tsinghua University Beijing China Fukuoka Institute of Technology Fukuoka Japan Department of Advanced System Control Engineering Saga University Saga Japan

This paper proposes a simulator-based foresight control approach for nonlinear plant based on system identification. In the proposed method, as a main part of the simulator-based foresight control system, a simulator of an exact plant model of non-affine nonlinear plant is first constructed. If relative degree of disturbance is smaller than control input, servo type filter will be then installed in series of disturbance line in order to adjust relative degree. Next, a control target equation which defines pole assignment for stable output error convergence is determined. Based on this control target equation, the control input for non-affine type nonlinear plant is generated. In this paper, the control of a boiler was implemented by use of the proposed method. The simulation results verified the effectiveness of the proposed method.

关键词： Nonlinear control systems Nonlinear equations system identification Servomechanisms Filters control systems Automatic control control system synthesis Error correction Convergence

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