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SICE Annual Conference

作者： Takahiro Ihara Takenao Sugi Makoto Eriguchi Toyoko Asami Masatoshi Nakamura Department of Electrical and Electoronic Engineering Saga University Saga Japan Saga University Hospital Saga Japan Department of Advanced Systems Control Engineering Saga University Saga Japan

Many persons suffer from severe disabilities such as amyotrophic lateral sclerosis (ALS) caused by neurological disorders. Such kinds of disabilities bring various restrictions to communication and circumstance in their daily life. A simple communication method using neuro-biological signal will be effective and helpful to enhance their life quality. In this study, a simple on-off communication method using electroencephalogram (EEG) and electrooculogram (EOG) was proposed. In case of EEG, parameters for linear regressive equation were selected by AIC. The results showed that the accuracy was extremely high with both communication methods.

关键词： Electroencephalography Electrooculography Equations

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Notes on Data-driven System Approaches

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Acta Automatica Sinica 2009年第6期35卷 668-675页

作者： Jian-Xin XU Zhong-Sheng HOU Department of Electrical and Computer Engineering National University of Singapore Singapore 117576 Singapore Advanced Control Systems Laboratory School of Electronics and Information Engineering Beijing Jiaotong University Beijing 100044 P.R. China

In this paper, we present several considerations centered around the data-driven system approaches. We briefly explore three main issues: the evolving relationship between off-line and on-line data processing methods, the complementary relationship between the data-driven and model-based methods, and the perspectives of data-driven system approaches. Instead of offering solutions to data-driven system problems, which is impossible at the present level of knowledge and research, in this article we aim at categorizing and classifying open problems, exploring possible directions that may offer alternatives or potentials for the four key fields of interests: control, decision making, scheduling, and fault diagnosis.

关键词： Data-driven principal relations problem classification research directions

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Simulation model of integrated OTEC and desalination plant and its application

Simulation model of integrated OTEC and desalination plant a...

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SICE Annual Conference

作者： Syo Nakamura Satoru Goto Takenao Sugi Yusuke Ikegami Masatoshi Nakamura Department of Advanced Systems Control Engineering Saga University Saga JAPAN Institute of Ocean Energy Saga University Saga JAPAN

Water and energy are indispensable for human life. Fossil fuels such as oil and coal are usually used for power generation. However, the environment impact of these thermal power generation is relatively large. Moreover, the shortage of water caused by a population increase and global warming also becomes serial problem. In order to solve these energy and water problems at the same time, an integrated plant of ocean thermal energy conversion (OTEC) system and desalination system has been developed. In this research, a simulation model of the integrated OTEC and desalination plant was constructed.

关键词： Desalination

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Automatic detection of apnea and EEG arousals for sleep apnea syndrome

Automatic detection of apnea and EEG arousals for sleep apne...

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SICE Annual Conference

作者： Genya Matsuoka Takenao Sugi Fusae Kawana Masatoshi Nakamura Department of Advanced Systems Control Engineering Saga University Saga Japan Department of Electrical and Electric Engineering Saga University Saga Japan Department of Clinical Physiology Toranomon Hospital Tokyo Japan

Sleep apnea/hypopnea syndrome (SAHS) is one of serious sleep disorders. EEG arousals due to the apnea hypopnea are frequently appeared in polysomnographic (PSG) record in patients with SAHS. In this study, the method for detecting EEG arousals and apnea interval in PSG record was proposed for supporting visual inspection to classify respiratory levels and EEG arousals. Two threshold values were established for classify the sleep apnea conditions and threshold values for detecting FFG arousals were then determined according to the results of apnea interval detection. Proposed automatic detection method will be an effective for diagnosis support system.

关键词： Electroencephalography Sleep apnea

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R &D at the Laboratory for control systems and Automation of the Korea advanced Institute of Science and Technology

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Robotica 2009年第4期8卷 333-338页

作者： Hyung S. Cho Laboratory for Control Systems and Automation Department of Production Engineering Korea Advanced Institute of Science and Technology P. O. Box 150 Cheongryang Seoul (Republic of Korea)

This paper describes the research activities at the Laboratory for control systems and Automation (LCA) which is a section of the Production department of Korea advanced Institute of Science and Technology (KAIST). LCA's research activities are focused on providing fundamental technologies to cope with the current trends in manufacturing automation. The R & D activities at the laboratory cover diverse areas. The research activities at the laboratory are classified into three sections—robotics and automation, fluid servo control, and manufacturing process control. Detailed explanations are given here on robotics and its application to automation. As a laboratory belonging to a nation's leading educational institution, LCA also conducts active educational activities. Such educational programs are also introduced in detail.

关键词： Robotic manipulator Flexible manufacturing system Automated Guided Vehicle Teleoperator Assembly system Fuzzy control Expert control Neural network

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Development of simplified PAM chlorophyll fluorometer for vegetation condition monitoring

Development of simplified PAM chlorophyll fluorometer for ve...

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IEEE International Symposium on Consumer Electronics (ISCE)

作者： Akiko Takeuchi Hidetoshi Yoshida Masaru Shibata Department of Electrical and Electronic Systems Engineering Nagaoka National College of Technology Nagaoka Japan Electrical & Mechanical System Engineering Advanced Course Nagaoka National College of Technology Nagaoka Japan Department of Materials Engineering Nagaoka National College of Technology Nagaoka Japan

Environmental issues are getting widespread international attention. The damage to the plant is immeasurable, too. For monitoring the vegetation conditions, a non-destructive, simplified and low-cost chlorophyll fluorometer was developed. Pulse amplification modulation method and control using programmable logic controller has been employed for that purpose. By measuring the fluorescence from spinach leaf, the performance of the system was checked. It was found that the system was provided empirical data to support theory.

关键词： Vegetation Condition monitoring Fluorescence Pulse modulation Programmable control Light emitting diodes Educational institutions Pulse amplifiers LED lamps Pigments

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A Statistical Process control Method for Semiconductor Manufacturing

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SICE Journal of control, Measurement, and System Integration 2009年第4期2卷 246-254页

作者： Tomoaki Kubo Tomomi Ino Kazuhiro Minami Masateru Minami Tetsuya Homma Postgraduate Courses of Functional Control Systems Shibaura Institute of TechnologyCorporate Manufacturing Engineering Center Toshiba Corporation Corporate Manufacturing Engineering Center Toshiba Corporation Oita Operations Toshiba Corporation Department of Electronic Engineering Shibaura Institute of TechnologyResearch Center for Advanced Science and Technology University of Tokyo Department of Electronic Engineering Shibaura Institute of Technology

To maintain stable operation of semiconductor fabrication lines, statistical process control (SPC) methods are recognized to be effective. However, in semiconductor fabrication lines, there exist a huge number of process state signals to be monitored, and these signals contain both normally and non-normally distributed data. Therefore, if we try to apply SPC methods to those signals, we need one which satisfies three requirements: 1) It can deal with both normally distributed data, and non-normally distributed data, 2) It can be set up automatically, 3) It can be easily understood by engineers and technicians. In this paper, we propose a new SPC method which satisfies these three requirements at the same time. This method uses similar rules to the Shewhart chart, but can deal with non-normally distributed data by introducing “effective standard deviations”. Usefulness of this method is demonstrated by comparing false alarm ratios to that of the Shewhart chart method. In the demonstration, we use various kinds of artificially generated data, and real data observed in a chemical vapor deposition (CVD) process tool in a semiconductor fabrication line.

关键词： semiconductor manufacturing SPC control chart Shewhart chart non-normal distribution

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Scaling reduction of port-Hamiltonian systems for numerical calculation

Scaling reduction of port-Hamiltonian systems for numerical ...

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

作者： Nishida, Gou Ichishima, Daiji Kashima, Kenji Fujimoto, Kenji Yamakita, Masaki Maschke, Bernhard Ikeura, Ryojun Robotic Motion Lab. Advanced Science Institute RIKEN Japan Research and Development Center Sumitomo Heavy Industries Ltd. Japan Department of Mechanical and Environmental Informatics Graduate School of Information Science and Engineering Tokyo Institute of Technology Japan Department of Mechanical Science and Engineering Graduate School of Engineering Nagoya University Japan Department of Mechanical and Control Systems Engineering Tokyo Institute of Technology Japan Laboratoire d'Automatique et de Génie des Procédés UMR CNRS 5007 Université Claude Bernard Lyon 1 France Department of Mechanical Engineering Mie University Denmark

ISBN: (纸本)9784907764333

We present a novel reduction method of port-Hamiltonian systems by a renormalization group. The reduced system is suitable for a fast numerical calculation in a mesoscopic scale. Especially, we aim at the development of renormalized molecular dynamics with controls. First, we define a renormalized Hamiltonian with coarse graining. Next, we introduce a renormalized canonical Hamiltonian system. Moreover, we clarify the relationship between the renormalized Hamiltonian system and a Dirac structure. Finally, we obtain necessary conditions of boundary connections for each renormalized Hamiltonian system with different scales. © 2009 SICE.

关键词： Hamiltonians

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Automatic adaptive onset detection using an electromyogram with individual difference for control of a meal assistance robot

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Journal of Medical engineering and Technology 2009年第4期33卷 322-327页

作者： Zhang, X. Wang, X. Wang, B. Sugi, T. Nakamura, M. 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 Advanced Systems Control Engineering Saga University Saga 840-8502 Japan

The onset detection of muscle activation is an essential issue in electromyogram (EMG) control. In this paper, a novel approach based on EMG power with automatic adaptive threshold is proposed to address this issue. The purpose is to develop an effective EMG-controlled meal assistance robot. Taking into account the individual difference such as contraction power and resting power, the threshold of onset detection is set with respect to the latest EMG signal. The results show the method is able to adjust automatically to avoid false alarms, and works well when the contraction power varies. Implementation of this EMG-controlled meal assistance robot may provide limb-deficient patients with an effective and comfortable human-machine assistance interface.

关键词： Adaptive control systems

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Global Asymptotical Stabilization of Morse-Smale systems Using Weak control-Lyapunov Functions

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SICE Journal of control, Measurement, and System Integration 2009年第1期2卷 43-49页

作者： Gou Nishida Takayuki Tsuzuki Hisakazu Nakamura Yuh Yamashita RIKEN-TRI Collaboration Center for Human-Interactive Robot Research Center Advanced Science Institute RIKEN Department of Electronic and Control Systems Engineering Interdisciplinary Faculty of Science and Engineering Shimane University Systems and Control Lab. Graduate School of Information Science Nara Institute of Science and Technology Division of Systems Science and Informatics Graduate School of Information Science and Technology Hokkaido University

This paper proposes a method of constructing weak control-Lyapunov functions for nonlinear systems by introducing a topological geometric assumption called a Morse-Smale system. A Lyapunov function is one of the most important tools to study stability and stabilization of nonlinear systems. However, a general way of finding Lyapunov functions has not been found yet. First, we confirm there is a weak Lyapunov function for Morse-Smale systems. Next, we define the escapability for singular structures of the weak Lyapunov function. If all singular structures are escapable, then the Morse-Smale system is a globally asymptotically stabilizable one. Finally, we present the method of constructing a set of weak control-Lyapunov functions to achieve global stabilization. The method is described in terms of a recursive sequence of singular structures. We call the sequence a weak Lyapunov filtration.

关键词： nonlinear systems Lyapunov functions iterative modeling and control design

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