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International Conference on Computational Intelligence and Software engineering (CiSE)

作者： Yaling Wang Pishi Sun Wenbin Zhang Zhanfeng Cao Applied Science Private University Beijing China Electromobility Sub-systems Volvo GTT Advanced Technology & Research Göteborg Sweden Electric Power Research Institute Puhua Information Technology Company Limited Beijing China School of Control and Computer Engineering North China Electric Power University Beijing China Faculty of Mechanical Engineering University of Ljubljana Ljubljana Slovenia

Since data sharing mechanism between the various business systems lacks of specification and standardization, information shares hardly and data exchange are inefficient, the paper proposes a data exchange platform for power enterprise based on ESB, which is based on SOA architecture, unified data exchange standards by using XML, used SOAP/HTTP(S) as the data transfer protocol between business systems and services bus and used Web Services as the business system data exchange standard interface. BEA ALSB service bus provides data exchange services for registration, release, information, routing and other functions. Practice has proved that the platform has good flexibility and scalability and can meet the business enterprise system between all kinds of complex data exchange requirements.

关键词： Business Service oriented architecture Marketing and sales Security Routing Databases

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A modified eigenvector method for blind deconvolution of MIMO systems using the matrix pseudo-inversion lemma

A modified eigenvector method for blind deconvolution of MIM...

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IEEE International Symposium on Circuits and systems (ISCAS)

作者： Mitsuru Kawamoto Kiyotaka Kono Yujiro Inouye Koichi Kurumatani CREST Japan Science and Technology Agency Japan Information Technology Research Institute National Institute of Advanced Science and Technology (AIST) Koto-ku Tokyo Japan Kokuritsu Yonago Kogyo Koto Senmon Gakko Yonago Tottori JP Department of Electronic and Control Systems Engineering Shimane University Matsue Shimane Japan

Recently we have developed an eigenvector method (EVM) which can achieve the blind deconvolution (BD) for MIMO systems. The attractive features of the proposed algorithm are that the BD can be achieved by calculating the eigenvectors of a matrix and by using reference signals. However, the performance accuracy of the EVM depends highly on the computational result of the eigenvectors. In this paper, by modifying the EVM, we propose an algorithm which can achieve the BD without calculating the eigenvectors. Then the pseudo-inverse which is needed to carry out the BD is calculated by our proposed matrix pseudo-inversion lemma. Simulation results will be presented for showing the validity of the proposed method.

关键词： Deconvolution MIMO High performance computing control engineering Educational institutions control systems systems engineering and theory Computational modeling Proposals Blind equalizers

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Investigation of surface properties on Indium Thin Oxide films modified by MirroTron Sputtering system

Investigation of surface properties on Indium Thin Oxide fil...

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International Symposium on Discharges and Electrical Insulation in Vacuum

作者： N. Mungkung T. Yuji K. Nakabayashi H. Kataoka Y. Suzaki H. Toya H. Shibata Department of Electrical Technology Education King Mongkut's University of Technology Thonburi Bangkok Thailand Faculty of Education & Culture University of Miyazaki Miyazaki Japan Department of International Liberal Arts Minami Kyushu Junior College Miyazaki Japan Department of Advanced Materials Science Kagawa University Takamatsu Kagawa Japan Department of Electronics & Control Engineering Tsuyama National College of Technology Tsuyama Okayama Japan Department of Electronic Control Engineering Hiroshima National College of Maritime Technology Hiroshima Japan

ISBN: (纸本)9781424483679

Indium Tin Oxide (ITO) film is evaporated on the PEN film using MirrorTron Sputtering system, which is a new sputtering system enabling sputter deposition at a low temperature, separating a sputtering chamber and a deposition chamber. As a result, a uniform ITO thin-film deposition with a film thickness of 150 nm is enabled. This ITO thin-film is chemically analyzed using Focused ion beam and X-ray photoelectron spectroscopy. As a result, good thin-film condition is confirmed.

关键词： Films Photovoltaic cells Indium tin oxide Sputtering Plasmas Substrates

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Computer vision based wheel sinkage detection for robotic lunar exploration tasks

Computer vision based wheel sinkage detection for robotic lu...

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IEEE International Conference on Mechatronics and Automation

作者： GuruPrasad Hegde Christopher J. Robinson Cang Ye Ashley Stroupe Edward Tunstel Department of Applied Science University of Arkansas at Little Rock Little Rock AR USA Department of Systems Engineering University of Arkansas at Little Rock Little Rock AR USA Advanced Robotic Control Group Jet Propulsion Laboratory Pasadena CA USA Space Department Johns Hopkins University Applied Physics Laboratory Laurel MD USA

This paper presents a wheel sinkage detection method that may be used in robotic lunar exploration tasks. The method extracts the boundary line between a robot wheel and lunar soil by segmenting the wheel-soil images captured from a video camera that monitors wheel-soil interaction. The detected boundary is projected onto the soil-free image of the robot wheel to determine the depth of wheel sinkage. The segmentation method is based on graph theory. It first clusters a wheel-soil image into homogeneous regions called superpixels and constructs a graph on the superpixels. It then partitions the graph into segments by using normalized cuts. Compared with the existing methods, the proposed algorithm is more robust to illumination condition, shadows and dust (covering the wheel). The method's efficacy has been validated by experiments under various conditions.

关键词： Wheels Image segmentation Mobile robots Soil Moon Pixel

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A fuzzy-based control method for smoothing power fluctuations in substations along high-speed railways

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IEEJ Transactions on Industry Applications 2009年第2期129卷 207-213+13页

作者： Sugio, Tetsuya Yamamoto, Masayoshi Funabiki, Shigeyuki Department of Electronic and Control Systems Engineering Interdisciplinary Faculty of Science and Engineering Shimane University 1060 Nishikawatsu-cho Matsue 690-8504 Japan

The use of an SMES (Superconducting Magnetic Energy Storage) for smoothing power fluctuations in a railway substation has been discussed. This paper proposes a smoothing control method based on fuzzy reasoning for reducing the SMES capacity at substations along high-speed railways. The proposed smoothing control method comprises three countermeasures for reduction of the SMES capacity. The first countermeasure involves modification of rule 1 for smoothing out the fluctuating electric power to its average value. The other countermeasures involve the modification of the central value of the stored energy control in the SMES and revision of the membership function in rule 2 for reduction of the SMES capacity. The SMES capacity in the proposed smoothing control method is reduced by 49.5% when compared to that in the nonrevised control method. It is confirmed by computer simulations that the proposed control method is suitable for smoothing out power fluctuations in substations along high-speed railways and for reducing the SMES capacity. © 2009 The Institute of Electrical Engineers of Japan.

关键词： Membership functions

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Gait evaluation of overground walking and treadmill walking using compass-type walking model

IEEJ Transactions on Electronics, Information and Systems

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IEEJ Transactions on Electronics, Information and systems 2009年第7期129卷 1212-1219+6页

作者： Nagata, Yousuke Yamamoto, Masayoshi Funabiki, Shigeyuki Department of Electronic and Control Systems Engineering Interdisciplinary Faculty of Science and Engineering Shimane University 1060 Nishikawatsu-cho Matsue-shi Shimane 690-8504 Japan

A treadmill is a useful apparatus for the gait training and evaluation. However, many differences are reported between treadmill and overground walking. Experimental comparisons of the muscle activity of the leg and the heart rate have been carried out. However, the dynamic comparison has not been performed. The dynamic evaluation of the overground walking and the treadmill walking using a compass-type walking model (CTWM) which is a simple bipedal walking model, then their comparison is discussed. It is confirmed that the walking simulation using the CTWM can simulate the difference of that walk it is clarified that there are the differences of the kick impulse on the ground and the turning impulse of the foot to the variation of the belt speed and then differences are the main factor of two walking. © 2009 The Institute of Electrical Engineers of Japan.

关键词： Sporting goods

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Finite state machine with adaptive electromyogram (EMG) feature extraction to drive meal assistance robot

IEEJ Transactions on Electronics, Information and Systems

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IEEJ Transactions on Electronics, Information and systems 2009年第2期129卷 308-313+17页

作者： Zhang, Xiu Wang, Xingyu Wang, Bei Sugi, Takenao Nakamura, Masatoshi Department of Automation East China University of Science and Technology 130 Meilong St. Shanghai 200237 China Department of Electrical and Electronic Engineering Faculty of Science and Engineering Saga University 1 Honjomachi Saga 840-8502 Japan Department of Advanced Systems Control Engineering Graduate School of Science and Engineering Saga University 1 Honjomachi Saga 840-8502 Japan

Surface electromyogram (EMG) from elbow, wrist and hand has been widely used as an input of multifunction prostheses for many years. However, for patients with high-level limb deficiencies, muscle activities in upper-limbs are not strong enough to be used as control signals. In this paper, EMG from lower-limbs is acquired and applied to drive a meal assistance robot. An onset detection method with adaptive threshold based on EMG power is proposed to recognize different muscle contractions. Predefined control commands are output by finite state machine (FSM), and applied to operate the robot. The performance of EMG control is compared with joystick control by both objective and subjective indices. The results show that FSM provides the user with an easy-performing control strategy, which successfully operates robots with complicated control commands by limited muscle motions. The high accuracy and comfortableness of the EMG-control meal assistance robot make it feasible for users with upper limbs motor disabilities. © 2009 The Institute of Electrical Engineers of Japan.

关键词： Robots

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Evolutionary Prisoner＇s Dilemma Game Based on Pursuing Higher Average Payoff

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Chinese Physics Letters 2009年第1期26卷 360-363页

作者：李玉金汪秉宏杨涵新凌翔陈小杰姜锐 Department of Modern Physics University of Science and Technology of China Hefei 230026 Shanghai Academy of System Science and University of Shanghai for Science and Technology Shanghai 200093 Faculty of Science Zhefiang Normal University Jinhua 321004 School of Engineering Science University of Science and Technology of China Hefei 230026 Intelligent Control Laboratory Center for Systems and Control Department of Mechanics and Space Technologies College of Engineering Peking University Beijing 100871

We investigate the prisoner＇s dilemma game based on a new rule： players will change their current strategies to opposite strategies with some probability if their neighbours＇ average payoffs are higher than theirs. Compared with the cases on regular lattices （RL） and Newman-Watts small world network （NW）, cooperation can be best enhanced on the scale-free Barabasi-Albert network （BA）. It is found that cooperators are dispersive on RL network, which is different from previously reported results that cooperators will form large clusters to resist the invasion of defectors. Cooperative behaviours on the BA network are discussed in detail. It is found that large-degree individuals have lower cooperation level and gain higher average payoffs than that of small-degree individuals. In addition, we find that small-degree individuals more frequently change strategies than do large- degree individuals.

关键词： SMALL-WORLD NETWORK SCALE-FREE NETWORKS SNOWDRIFT GAME COOPERATION

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Evaluating fuzzy voice commands by user guided visual attention for controlling a robot manipulator

Evaluating fuzzy voice commands by user guided visual attent...

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

作者： Jayasekara, A. G. Buddhika P. Watanabe, Keigo Izumi, Kiyotaka Department of Advanced Systems Control Engineering Graduate School of Science and Engineering Saga University 1-Honjomachi Saga 840-8502 Japan

ISBN: (纸本)9784907764333

This paper proposes a method for evaluating fuzzy voice commands (FVCs) by user guided visual attention. FVCs inherit fuzzy linguistic information due to the inclusion of fuzzy linguistic terms such as "very little." The contextual meaning of such information depends on the environmental arrangement. Therefore, visual attention system (VAS) is utilized to evaluate the fuzzy linguistic information based on the environmental conditions. It is implemented by assuming that the corresponding distance value for a particular FVC depends on the spatial arrangement of the surrounding objects in the environment. A fuzzy logic based voice command evaluation system (VCES) is proposed to assess the fuzzy linguistic information in user commands. In addition, the user has been given the freedom to adjust command evaluation process by changing the attention level. It is achieved by using attentive voice commands such as "move carefully." A situation of object manipulation by navigating the tip of a robot manipulator through the user's working space is demonstrated to illustrate the system where a PA-10 robot manipulator is used. © 2009 SICE.

关键词： Fuzzy logic

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Evaluating fuzzy voice commands by internal rehearsal for controlling a robot manipulator

Evaluating fuzzy voice commands by internal rehearsal for co...

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

作者： Buddhika, A.G. Jayasekara, P. Watanabe, Keigo Izumi, Kiyotaka Department of Advanced Systems Control Engineering Graduate School of Science and Engineering Saga University 1-Honjomachi Saga 840-8502 Japan

ISBN: (纸本)9784907764333

This paper proposes a method for evaluating fuzzy voice commands (FVCs) by internal rehearsal. The robot's experience on previous movements is very useful for understanding fuzzy linguistic information. Therefore, an internal rehearsal system is introduced to acquire the robot's experience on previous movements. Such acquisition enhances the robot's capability to interpret fuzzy linguistic information in FVCs according to the current environmental context. The proposed system is used to evaluate the fuzzy linguistic information related to the primitive movements of a robot manipulator. Those primitive movements are realized by behavior evaluation network (BEN) with the guidance of the internal rehearsal system. Mainly, the system is utilized to understand fuzzy voice motion commands (FVMCs) and fuzzy voice joint commands (FVJCs) for controlling the end-effector movements and the single joint movements of the robot manipulator. The proposed idea is demonstrated with a PA-10 robot manipulator. © 2009 SICE.

关键词： End effectors

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