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IEEE International Workshop on Robot and Human Communication (ROMAN)

作者： M. Okubo T. Watanabe Department of System Engineering Faculty of Computer Science and System Engineering Okayama Prefectural University Okayama Japan Japan Science and Technology Agency-CREST Japan

Collaboration consists mainly of two tasks; one is each partner's task which is done by the individual, the other is communication with each other. Both of them are very important for the smooth collaboration. From the viewpoint, the collaboration support system should be a coalition between the operation support and the communication support. We have developed the 3D shape evaluation support system in virtual space and the embodied virtual communication system for the analysis by synthesis. The fusion of two system is necessary for the collaboration support system for 3D shape evaluation in virtual space. From the viewpoint of communication, the talkers tend to prefer the situation in which they can share embodied interaction by observing their interaction of avatars including themselves in the same virtual space. However, the motion images including themselves would discourage them from the shape evaluation. In this paper, the influence of difference of the point of view on the shape evaluation in virtual space is investigated using the proposed system by the sensory evaluation of paired comparison and the questionnaire analysis. It is found that the subjects prefer the point of view from which they can see only their forearms' motion for the shape evaluation in virtual space.

关键词： Shape Collaboration Space technology systems engineering and theory Three dimensional displays Head Magnetic sensors computer science Avatars Product design

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Reliable multicast service with IPv6 support: synchronous collaborative applications

Reliable multicast service with IPv6 support: synchronous co...

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Student Conference on Research and Development (SCOReD)

作者： J.M. Patel S. Sahibuddin Collaborative Working & Distributed Applications Group Faculty of Computer Science and Information System University Technology of Malaysia Johor Malaysia

The world wide web (WWW) already accounts for more Internet network traffic than any other application, including email and simple file transfer. It is also a collaborative technology in a weak sense of the word - it allows people to share information. Synchronous collaboration is where an interactive activity is simultaneous and in real-time. computer based synchronous collaborative systems like shared whiteboards, collaborative editor etc. are only beginning to emerge recently. These applications involving more than two users exchanging information, require multicast communication. Multicast communication is a transmission mode that is now supported by a variety of local and wide area networks. Multicasting enables multiparty communication across a wide area to sparsely distributed groups by minimizing the network load. Multicasting itself is one of the key technologies in the next generation of the Internet. This paper describes the technical issues from the aspect of multicast communication and its reliability in synchronous collaborative application.

关键词： Collaboration Multicast communication Application software Web sites World Wide Web IP networks Telecommunication traffic Electronic mail Wide area networks Internet

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InterActor: Speech-driven embodied interactive actor

InterActor: Speech-driven embodied interactive actor

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IEEE International Workshop on Robot and Human Communication (ROMAN)

作者： T. Watanabe R. Danbara M. Okubo Faculty of Computer Science and System Engineering Okayama Prefectural University Okayama Japan JST Japan Science and Technology Agency-CREST Japan

A speech-driven embodied interactive actor called InterActor with both functions of speaker and listener is developed for activating human interaction and communication by generating expressive actions and motions coherently related to speech input. InterActor is the electronic media version of physical interaction robot called InterRobot for robot-mediated communication support, which sets free from the hardware restriction. By using InterActor, the concept of speech driven embodied interaction system is proposed for human interaction sharing by the entrainment between human speech and InterActor's motions in remote communication. The prototype of the system is developed, and the sensory evaluation and behavioral analysis in human communication through InterActor demonstrate the effectiveness of the system. Actual applications of InterActor to human interface are also demonstrated.

关键词： Humans Robots Face Hardware Prototypes Space technology Speech analysis Biological system modeling computer science systems engineering and theory

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A high-throughput pipelined architecture for blind adaptive equalization with minimum latency

A high-throughput pipelined architecture for blind adaptive ...

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Asilomar Conference on Signals, systems & computers

作者： M. Mizuno K. Ueda J. Okello H. Ochi Department of Communication Electrical Engineering Nagano Japan Radio Co.Ltd. Faculty of Computer Science and System Engineering Kyushu Institute of Technology Japan

We propose a pipelined architecture for an equalizer based on the multilevel modified constant modulus algorithm (MMCMA). We also provide the correction factor that mathematically converts the adaptive equalizer having the proposed architecture into an equivalent non-pipelined conventional MMCMA based equalizer. The proposed architecture uses modules with 6 filter coefficients, resulting in an overall latency of a single sampling period, along the main transmission line. The basic concepts of the proposed architecture is to implement the finite impulse response (FIR) filter and the algorithm portion of the equalizer, such that the critical path of all circuits has three complex multipliers and three adders.

关键词： Blind equalizers Adaptive equalizers Delay Finite impulse response filter Throughput Pipeline processing computer architecture Sampling methods computer science systems engineering and theory

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Intelligent diagnosis method for plant machinery using wavelet transform, genetic programming and possibility theory

Intelligent diagnosis method for plant machinery using wavel...

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IEEE Region 10 International Conference TENCON

作者： Peng Chen T. Horie T. Toyota Zhengjia He Faculty of Computer Science and System Engineering Kyushu Institute of Technology Iizuka Fukuoka Japan Japan Condition Diagnosis Technology Laboratory Incorporated Kitakyushu Japan Department of Mechanical Engineering Xi‘an Jiaotong University Xi‘an China

This paper proposes an intelligent diagnosis method for plant machinery using wavelet transform (WT) genetic programming (GP) and possibility theory. The WT is used to extract feature spectra of each machine state from measured vibration signal for distinguishing faults. Excellent symptom parameters (SP) for detecting fault states are automatically generated by GP. The membership functions of symptom parameters are established using possibility theory for resolving the ambiguous diagnosis problems. The methods proposed in this paper are verified by applying them to the fault diagnosis of gear equipment.

关键词： Machine intelligence Machinery Wavelet transforms Genetic programming Possibility theory Vibration measurement Fault diagnosis Feature extraction Fault detection Signal resolution

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Intelligent Diagnosis Method for Plant Machinery Using Wavelet Transform, Genetic Programming and Possibility Theory

Intelligent Diagnosis Method for Plant Machinery Using Wavel...

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2002年IEEE十区计算机、通信、控制和电机工程会议

作者： Tomoyoshi HORIE Toshio TOYOTA Faculty of Computer Science and System Engineeing Kyushu Institute of Technology 680-4 Kawazu lizuka Fukuoka Japan. Japan Condition Diagnosis Technology Laboratory incoryorated.3-11-1 Takasuhigashi Wakamatu-ku Kitakyushu Japan

This paper proposes an intelligentdiagnosis method for plant machinery using wavelettransform (WT) genetic programming (GP) andpossibility theory. The WT is used to extract featurespectra of each machine state from measured vibrationsignal for distinguishing faults. Excellent symptomparameters (SP) for detecting fault states areautomatically generated by GP. The membershipfunctions of symptom parameters will be establishedusing possibility theory for resolving the ambiguousdiagnosis problems. The methods proposed in thispaper are verified by applying them to the faultdiagnosis of gear equipment.

关键词： condition monitoring fault diagnosis of machinery wavelet transform genetic programming (GP) possibility theory gear drive

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VLSI architecture of digital matched filter and prime interleaver for W-CDMA

VLSI architecture of digital matched filter and prime interl...

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IEEE International Symposium on Circuits and systems (ISCAS)

作者： Y. Uchida M. Ise T. Onoye I. Shirakawa I. Arungsrisangchai Department Information System Engineering Osaka University Suita Osaka Japan Department Comm & Computer Engineering Kyoto University Kyoto Japan Faculty of Engineering King Mongkut''s Institute of Technology Ladkrabang Bangkok Thailand

A VLSI architecture dedicated to W-CDMA (Wideband Code Division Multiple Access) baseband modem is described, with the main theme focused on the cell searcher and PIL (Prime InterLeaver). A search algorithm is refined for the cell searcher to minimize the circuit size, maintaining the operating throughput. In addition, a time-shared scheme is adopted for the turbo encoding/decoding, aiming at the maximization of the hardware sharing in the encoding/decoding process. Finally, implementation results are shown to demonstrate that the proposed architecture can contribute much toward the practical low-power implementation of W-CDMA baseband modem LSI.

关键词： Very large scale integration Matched filters Multiaccess communication Baseband Modems Encoding Decoding Wideband Circuits Throughput

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A STUDY ON VIRTUAL ENTERPRISE COALITION WITH MULTI-AGENT technology IN AGILE MANUFACTURING ENVIRONMENT

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Journal of Advanced Manufacturing systems 2002年第2期1卷 125-139页

作者： TOSHIYA KAIHARA SUSUMU FUJII Division of System Science Graduate School of Science and Technology Kobe University 1-1 Rokko-dai Nada Kobe 657-8501 Japan Tel: +81-78-803-6086 Fax: +81-78-803-6391. Department of Computer and Systems Engineering Faculty of Engineering Kobe University 1-1 Rokko-dai Nada Kobe 657-8501 Japan

There is a growing recognition that current manufacturing enterprises must be agile, and the use of virtual enterprise (VE) is becoming increasingly prevalent in recent years. It is a very important and difficult activity in forming a virtual enterprise to select appropriate business partners, because each enterprise considers not only pursuing its profit but also sharing the risk to join the virtual enterprise. At first we propose a VE coalition algorithm based on multi-agent paradigm. Then we develop a computer simulation model to evaluate the proposed method by forming a virtual enterprise through multiple negotiations amongst several potential members in the negotiation domain. Finally, we clarify the coalition dynamism with the negotiation process. The effectiveness of the proposed concept in the agile manufacturing is discussed with several simulation experiments.

关键词： Agile manufacturing virtual enterprise multi-agent programming partnering supply chain management contract-net protocol

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Fingerprint classification approaches: An overview

Fingerprint classification approaches: An overview

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6th International Symposium on Signal Processing and Its Applications, ISSPA 2001

作者： Ern, Leong Chung Sulong, Ghazali Faculty of Computer Science and Information System University Technology Malaysia 81310 Skudai Malaysia

ISBN: (纸本)0780367030

Fingerprint classification was introduced to reduce the searching time of fingerprint recognition. There have been many new approaches introduced, mostly in the design of feature extraction. However, no literature to date explicitly documents all fingerprint classification approaches. On the other hand, this paper studies some of the current approaches by grouping them into two groups-classifier, and feature extractor. A lot of emphasis put into the design of the fingerprint feature extractor shows that it deserves to be separated from the classifier. While it cannot be said that the development of the classifier has remained stagnant, there has been a lack of novel designs of the classifier, and a lot of research into neural network based classifiers. © 2001 IEEE.

关键词： Information retrieval systems

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Remote force control of robot using PHANToM haptic model and force sensor

Remote force control of robot using PHANToM haptic model and...

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IEEE International Symposium on Assembly and Manufacturing (ISAM)

作者： T. Horie K. Tanaka N. Abe H. Taki Faculty of Computer Science and System Engineering Kyushu Institute of Technology Japan Faculty of System Engineering Wakayama University Japan

ISBN: (纸本)078037004X

The master slave control is a technique often used when controlling a remote robot. In this technique, the operator can work while he notices the force which is added to the robot. However, when the taken time in the communication between the robot (the slave) and the operator (the master) is long, accurate control becomes difficult. This research aims to generate the force environment using the posture of the robot and the value detected with the sensor. With this, even if the communication time was long, the operator could operate a robot appropriately while he sensed the force added to the robot.

关键词： Force control Robot sensing systems Imaging phantoms Haptic interfaces Force sensors Communication system control Master-slave Robot control Robotic assembly systems engineering and theory

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