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IEEE International Conference on Vehicular Electronics and Safety (ICVES)

作者： Zhenjiang Li Fei-Yue Wang Qinghai Miao Feng He Key Laboratory of Complex Systems and Intelligence Science Institute of Automation Chinese Academy and Sciences Beijing China Program for Advanced Research in Complex Systems Department of Systems and Industrial Engineering University of Arizona Tucson Tucson AZ USA Key Laboratory for Complex Systems and Intelligence Science Chinese Academy and Sciences Beijing China

This paper presents an urban traffic control system using the multi-agent technology, called aDAPTS for agent-based Distributed and Adaptive Platform for Transportation systems. Based on the proposed system architecture, we divide an urban traffic system into five different functional modules and define five types of agents correspondingly. The composition and structure of each agent is discussed in detail and the correlation among them is addressed. Methods for verification and validation in artificial transportation systems are also studied in this paper.

关键词： Traffic control Control systems Distributed control Transportation Intelligent agent Automatic control Hardware Environmental management Artificial intelligence Helium

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Development of vision controlled bio-cell manipulation system

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International Journal of Manufacturing Technology and management 2006年第1-2期9卷 130-143页

作者： Zhou, Libo Qiu, Zhongjun Ishikawa, Tomohiko Kawakami, Tatsuo Eda, Hiroshi Department of System Engineering Ibaraki University 4-12-1 Nakanarusawa Hitachi 316-8511 Japan Sanyu Manufacturing Ltd. 457 Baba-cho Hitachi-Ohta 313-0004 Japan Department of Systems Engineering Ibaraki University Japan Satellite Venture Business Lab. Graduate School of Science and Engineering Ibaraki University Japan Sanyu Manufacturing Ltd. Japan

There are increasing demands of manipulation on bio-cells for cloning and artificial insemination in bio-engineering. However, most commercialised tools are manual or semi-automatic. The operations are tedious and time consuming, yet with very low yield rate. The objective of this research is to develop an automated manipulation system with high performance and repeatability for the biological applications. In this paper, a vision control scheme has been proposed and implemented to steer the movements of the tool arms. The positions of the targets and tools, the paths and speed of the movement are calculated at the pixel coordinate by use of an optical microscope with a CCD image device. This vision control scheme is able to eliminate mechanical inaccuracy including misalignment, hysteresis and drift. The pixel coordinate is also commonly shared by multiple tool arms and targeted objects, and essential to achieve smooth cooperative operations. A field test of following a cycle as small as 3 μm in diameter result was carried out to show the performances in accuracy and repeatability. Copyright © 2006 Inderscience Enterprises Ltd.

关键词： Cells

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A comparative evaluation of implementation methods for controlling the execution speed of a program by regulating I/O performance

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systems and Computers in Japan 2006年第7期37卷 72-82页

作者： Taniguchi, Hideo Graduate School of Information Science and Electrical Engineering Kyushu University Fukuoka 812-8581 Japan Department of Systems and Information Science Research Information Processing Society of Japan Japan Society for Software Science and Technology ACM

As the performance capacity of computer hardware increases, the processing time taken by software becomes shorter and it is now possible to have programs execute complex procedures. However, processing speed is highly dependent on the actual performance of the hardware. Therefore, it is necessary to establish control mechanisms in order to execute a given set of processing instructions at a speed within the limits of the hardware capacity that matches the demands of the user as well as the nature of the service provided by the software. In addition, there are various methods for implementing such control mechanisms: in the kernel of the operating system (OS) or as a library that is external to the OS. Each method has its own advantages and disadvantages. In this paper we describe and compare different methods for implementing program execution speed regulation procedures by controlling the input-output (I/O) performance. Specifically, we describe and compare implementations of a basic method for adjusting the number of times I/O is performed and a fundamental method for adjusting the time spent on I/O. In addition, we compare an implementation of a method for regulating I/O timing implemented as a library with an implementation in the OS kernel and highlight the advantages of each ap proach. © 2006 Wiley Periodicals, Inc.

关键词： Input output programs

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DNA complex formed with peptide-grafted polymer responding with tyrosine kinase 'c-Src'

DNA complex formed with peptide-grafted polymer responding w...

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55th SPSJ Annual Meeting

作者： Sato, Yuko T. Oishi, Jun Kawamura, Kenji Terada, Keiko Asai, Daisuke Kang, Jeong-Hun Katayama, Yoshiki JST-CREST Kyushu University 744 Motooka Nishi-ku Fukuoka 819-0395 Japan Department of Applied Chemistry Faculty of Engineering Kyushu University 744 Motooka Nishi-ku Fukuoka 819-0395 Japan Graduate School of Systems Life Sciences Kyushu University 744 Motooka Nishi-ku Fukuoka 819-0395 Japan Center for Future Chemistry Kyushu University 744 Motooka Nishi-ku Fukuoka 819-0395 Japan COE Program

We aim to create gene delivery system responding to cellular signal i.e. exogenous DNAs are translated only in cancer cells. First, we synthesized polymer that grafted c-Src substrate peptide as gene carrier. Next, we generated complex with those polymer and DNA. In this meeting, we will report about characterization of DNA-carrier complex, and the ability of carrier to control transcription/ translation and protection of DNA.

关键词： DNA

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Enabling a strong U.S. engineering workforce for leadership of technology development and innovation in industry: Setting a new vision for integrative professional graduate education in engineering practice

Enabling a strong U.S. engineering workforce for leadership ...

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113th Annual ASEE Conference and Exposition, 2006

作者： Keating, Donald Stanford, Thomas Bardo, John Dunlap, Duane DeLoatch, Eugene McHenry, Albert Tidwell, Joseph Depew, Dennis Latif, Niaz Schuver, Mark Quick, David Olson, Roger Truesdale, Samuel Snellenberger, Jay Tricamo, Stephen Palmer, Harvey Noori, Mohammad Landis, Kathleen Gonzalez Bennett, Ronald University of South Carolina United States Department of Mechanical Engineering University of South Carolina United States Graduate Studies Division College Industry Partnership Division American Society for Engineering Education United States Department of Chemical Engineering University of South Carolina United States Western Carolina University United States Kimmel School of Construction Management Engineering and Technology United States College of Applied Sciences Western Carolina University United States Graduate Studies Division American Society for Engineering Education United States Morgan State University United States School of Engineering Morgan State University United States Arizona State University United States College of Technology and Annlied Sciences Arizona State University Polytechnic United States Public Affairs of the American Society for Engineering Education United States JACMET Arizona State University Polytechnic United States College Industry Partnership Division Purdue University United States College of Technology Purdue University United States Department of Industrial Technology College of Technology Purdue University United States Master's Degree Program College of Technology Purdue University United States Rolls-Royce R and D Customer Requirements R and T Strategy Rolls-Royce North American Technologies United States Rolls-Royce Corporation United States New Jersey Institute of Technology United States Department of Industrial and Manufacturing Engineering Rochester Institute of Technology United States Kate Gleason College of Engineering Rochester Institute of Technology United States California State Polytechnic University United States College of Engineering California State Polytechnic University United States University of Arizona United States Continuing Professional Development Division American Society for Engineering Education United States University of St. Thomas United States School of Engineering University of St. Thoma

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Analyzing Resilience of an Oil Distribution Plant

Analyzing Resilience of an Oil Distribution Plant

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IEEE Symposium on systems and Information engineering Design, SIEDS

作者： Marcos P. Abech Gabriel A. Berg Michael G. Delis Lia B. M. Guimaraes David D. Woods Universidade Federal do Rio Grande do Sul Brazil Industrial and Systems Engineering program Ohio State Uinversity Columbus OH USA Ergonomics and Design Department Universidade Federal do Rio Grande do Sul Porto Alegre Rio Grande do Sul Brazil Industrial and Systems Engineering Ohio State Uinversity Columbus OH USA

This article presents the opportunities and challenges for improving resilience in an oil distribution plant. The plant is situated in the southernmost state of Brazil, and it distributes fuel products by truck and train. Based on observations and interviews with the people who handle the transfer and distribution process, this paper provides an analysis of how the system is resilient in some ways and brittle in other ways. The research focused on understanding how the system adapts to variations and disrupting events relative to expected conditions. The areas of brittleness are pointers to possible accident scenarios. The resilience analysis identified opportunities to improve how the system adapts to situations that challenge plans and procedures

关键词： Resilience Petroleum Accidents systems engineering and theory Humans Risk management Electronic mail Safety Design engineering Fuels

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Etching characteristics of a silicon surface induced by focused ion beam irradiation

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International Journal of Manufacturing Technology and management 2006年第1-2期9卷 34-50页

作者： Kawasegi, Noritaka Morita, Noboru Yamada, Shigeru Takano, Noboru Oyama, Tatsuo Ashida, Kiwamu Taniguchi, Jun Miyamoto, Iwao Momota, Sadao Graduate School of Science and Engineering Toyama University 3190 Gofuku Toyama 930-8555 Japan Department of Mechanical and Intellectual Systems Engineering Toyama University 3190 Gofuku Toyama 930-8555 Japan Advanced Manufacturing Research Institute National Institute of Advanced Industrial Science and Technology 1-2-1 Namiki Tsukuba Ibaraki 305-8564 Japan Department of Applied Electronics Tokyo University of Science 2641 Yamazaki Noda Chiba 278-8510 Japan Department of Intelligent Mechanical Systems Engineering Kochi University of Technology 185 Tosayamada Kochi Japan Graduate School of Science and Engineering Toyama University Toyama Japan Faculty of Engineering Toyama University Toyama Japan Faculty of Engineering Toyama University Japan National Institute of Advanced Industrial Science and Technology Tsukuba Japan National Institute of Advanced Industrial Science and Technology Japan Department of Applied Electronics Tokyo University of Science Chiba Japan Department of Applied Electronics Tokyo University of Science Japan Faculty of Engineering Kochi University of Technology Japan

The etching resistance characteristics of a Focused Ion Beam (FIB) irradiated silicon surface against KOH are investigated in this study. An FIB irradiated silicon surface can withstand etching in KOH solution, whereas the non-irradiated area is etched and consequently, a protruding nanostructure can be fabricated on the irradiated area. Height dependence of the nanostructure on the FIB irradiating conditions is investigated in order to control the shape of the nanostructure for application to three-dimensional nanofabrication. As a consequence, it was found that the height of the nanostructure can be controlled by FIB irradiating conditions such as dose and acceleration voltage. The mechanism is investigated by a selective etching method using HF solution. The results of a simulation indicate that the amorphous layer induced by ion irradiation is strongly related to this phenomenon. In addition, surface roughness and line width dependence was investigated, and these results indicate the potential use of this method as a novel three-dimensional nanofabrication process. Copyright © 2006 Inderscience Enterprises Ltd.

关键词： Silicon

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Performance of Secondary Radios in Spectrum Sharing with Prioritized Primary Access

Performance of Secondary Radios in Spectrum Sharing with Pri...

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MILCOM, Military Communications Conference

作者： Pak Kay Tang Yong Huat Chew Ling Chuen Ong M.K. Haldar NUS Graduate School of Integrative Sciences and Engineering National University of Singapore Singapore Wireless Communication Department Institute for Infocomm Research (12R) Agency for Science Technology and Research Singapore Radio Systems Department 12R Agency for Science Technology and Research Singapore Department of Electrical and Computer Engineering National University of Singapore Singapore

Research and discussion into more efficient utilization of frequency spectrum has led to a paradigm shift in future allocation and utilization of spectral resources in the frequency band of licensed (primary) systems. Secondary usage of licensed spectrum is being considered as a viable solution to the problem of inefficient usage of spectral resources. In this paper, we model and analyze the performance of the secondary system in dynamic spectrum access by secondary users employing an overlay approach of sharing spectral resources with a primary system. Our model assumes the operation of primary system is completely unaffected by the introduction of a secondary system, i.e., primary users have priority in transmission over secondary users. Each primary user is randomly assigned an available frequency slot for transmission by the primary system controller. Secondary users are required to sense across the same spectrum to identify any unoccupied frequency slots for transmission. During its transmission, if it detects a primary user accessing the same frequency slot, the connection will be forced to drop. Using a three-dimension Markov chain model, this paper presents an analytical approach to study the secondary system performance under a given primary traffic. Two important parameters that are indicative of the grade-of-service (GoS) of the secondary system, namely, secondary call blocking probability and secondary call dropping probability are computed using the model presented. The analysis provides an insightful study about how the secondary system capacity is determined by its GoS requirement. We use the same analytical approach to show that when the secondary call dropping probability is the cause of low capacity, by suitably reserving a number of frequency slots for primary users' access, the secondary system capacity can be improved significantly

关键词： Frequency Resource management Radio spectrum management Performance analysis Cognitive radio Wideband Narrowband Traffic control Capacity planning Wireless communication

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Chitosan for Biofunctionalization of Microsystems

Chitosan for Biofunctionalization of Microsystems

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IEEE/NLM Life Science systems and Applications Workshop

作者： Stephan T. Koev Michael A. Powers Vlad Badilita Hyunmin Yi William E. Bentley Gregory F. Payne Gary W. Rubloff Reza Ghodssi Institute for Systems Research ISR University of Maryland College Park MD USA University System of Maryland Adelphi MD US Department of Materials Science and Engineering University of Maryland College Park MD USA Department of Chemical Engineering University of Maryland College Park MD 20742 University of Maryland Biotechnology Institute (UMBI) University of Maryland College Park MD 20742 Bioengineering Graduate Program University of Maryland College Park MD 20742 University of Maryland College Park MD USA University of Maryland Biotechnology Institute College Park MD USA Institute for Systems Research (ISR) University of Maryland College Park MD 20742 Department of Materials Science and Engineering University of Maryland College Park MD 20742 Department of Electrical and Computer Engineering University of Maryland College Park MD 20742 Institute for Systems Research (ISR) University of Maryland College Park MD 20742

ISBN: (纸本)1424402778

We present the use of the polysaccharide chitosan for immobilizing biomolecules on microfabricated device surfaces. The main advantages of chitosan are its abundance of primary amine groups and its ability to be electrodeposited. Biomolecules are easily attached to chitosan 's amines by standard glutaraldehyde chemistry. The electrodeposition of chitosan allows accurate spatial and temporal control of biomolecule placement. We have demonstrated this biofunctionalization method for two different bioMEMS devices: a biophotonic sensor and a micromechanical biosensor. We have successfully assembled probe DNA on each of them and detected hybridization with target DNA as a demonstration of sensor operation. Here, we briefly present the fabrication procedure and testing results for both of these bioMEMS sensing devices

关键词： DNA Biosensors Molecular biophysics Probes Micromechanical devices Optical sensors Optical surface waves Optical interferometry Assembly Biomedical optical imaging

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Adaptive inventory management using RFID data

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The International Journal of Advanced Manufacturing Technology 2006年第9期32卷 1052-1052页

作者： Mills-Harris, Misty D. Soylemezoglu, Ahmet Saygin, Can Center for Aerospace Manufacturing Technologies Manufacturing Engineering Program University of Missouri-Rolla Rolla USA Center for Aerospace Manufacturing Technologies Engineering Management & Systems Engineering Department University of Missouri-Rolla Rolla USA Engineering Management & Systems Engineering Department University of Missouri-Rolla Rolla USA

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