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International Symposium on Power Semiconductor Devices and Ics (ISPSD)

作者： Peter Moens Filip Bauwens Bart Desoete Joris Baele Konstantin Vershinin Hocine Ziad E.M. Sankara Narayanan Marnix Tack Member of the technical program committee of ISPSD IRW ESREF ESD/EOS Symposium chair of the HV reliability subcommittee of IRPS technical program chair of ISPSD2009. Device Development Team. AMIS Belgium ON semiconductor process modules and integration group Senior Research Fellow Emerging Technologies Research Centre De Montfort University. Professor Royal Academy of Engineering/Rolls Royce Professorship in Power Electronics Systems at Sheffield University Fellow of IET and IoP member of the IEEE Ad Com committee

Experimental data are shown for integrated smart power transistors breaking the silicon limit at 100V. The performance is close to the much lower super-junction limit for the given device pitch. The device uses standard trench technology and is implemented in a 0.35 μm smart power process. Key steps to improve device performance yielding a record performance of 30 mOhm*mm 2 for a V bd of 94V are highlighted in the paper.

关键词： Awards

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Project neptune: Improved operation of water distribution networks

Project neptune: Improved operation of water distribution ne...

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Contemporary Topics in Ground Modification, Problem Soils, and Geo-Support - 2009 International Foundation Congress and Equipment Expo

作者： Savic, D.A. Boxall, J.B. Ulanicki, B. Kapelan, Z. Makropoulos, C. Fenner, R. Soga, K. Marshall, I.W. Maksimovic, C. Postlethwaite, I. Ashley, R. Graham, N. Centre for Water Systems University of Exeter Harrison Building North Park Road Exeter Devon EX4 4QF United Kingdom Pennine Water Group Dept. Civil and Struct. Eng. University of Sheffield Mappin St. Sheffield South Yorkshire S1 3JD United Kingdom De Montfort University Process Control-Water Software Systems Leicester United Kingdom Department of Engineering University of Cambridge Trumpington Street Cambridge CB2 1PZ United Kingdom Lancaster University Lancaster Environment Centre Lancaster Lancs LA1 4YQ United Kingdom Environmental and Water Resource Engineering Imperial College London South Kensington London SW7 2AZ United Kingdom University of Leicester University Road Leicester LE1 7RH United Kingdom

ISBN: (纸本)9780784410233

Water service providers (WSPs) in the UK have statutory obligations to supply drinking water to all customers that complies with increasingly stringent water quality regulations and minimum flow and pressure criteria. At the same time, the industry is required by regulators and investors to demonstrate increasing operational efficiency and to meet a wide range of performance criteria that are expected to improve year-on-year. Most WSPs have an ideal for improving the operation of their water supply systems based on increased knowledge and understanding of their assets and a shift to proactive management followed by steadily increasing degrees of system monitoring, automation and optimisation. The fundamental mission is, however, to ensure security of supply, with no interruptions and water quality of the highest standard at the tap. Unfortunately, advanced technologies required to fully understand, manage and automate water supply system operation either do not yet exist, are only partially evolved, or have not yet been reliably proven for live water distribution systems. It is this deficiency that the project NEPTUNE seeks to address by carrying out research into 3 main areas;these are: data and knowledge management;pressure management (including energy management);and the associated complex decision support systems on which to base interventions. The 3-year project started in April of 2007 and has already resulted in a number of research findings under the three main research priority areas (RPA). The paper summarises in greater detail the overall project objectives, the RPA activities and the areas of research innovation that are being undertaken in this major, UK collaborative study. Copyright 2009 ASCE.

关键词： Water quality

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Propagation modelling based on airborne particle release data from nanostructured materials for exposure estimation and prediction

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Journal of Physics: Conference Series 2017年第1期838卷

作者： Daniel Göhler Ralf Gritzki Michael Stintz Markus Rösler Clemens Felsmann Research Group Mechanical Process Engineering Institute of Process Engineering and Environmental Technology Technische Universität Dresden D-01062 Dresden Germany Chair of Building Energy Systems and Heat Supply Institute of Power Engineering Technische Universität Dresden D-01062 Dresden Germany

The gap between release and exposure is limiting the current risk assessment of nanostructured materials. Both, release and exposure were connected to each other by transport and transformation processes and require therefore the description/specification of complex exposure scenarios. Within this study, propagation modelling based on experimentally determined airborne particle release data was used for exposure estimation and prediction in a defined model room. Therefore, 9 different exposure scenarios based on 3 release scenarios and 3 ventilation scenarios were analysed. Results for near field considerations have shown that the level of inhalation exposure is fundamentally defined by the present exposure scenario, that personal heat can cause particle availability in the breathing zone and that highest exposure levels arise immediate during material processing.

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Project neptune: Improved operation of water distribution networks

Project neptune: Improved operation of water distribution ne...

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10th Annual Water Distribution systems Analysis Conference, WDSA 2008

作者： Savic, D.A. Boxall, J.B. Ulanicki, B. Kapelan, Z. Makropoulos, C. Fenner, R. Soga, K. Marshall, I.W. Maksimovic, C. Postlethwaite, I. Ashley, R. Graham, N. Centre for Water Systems University of Exeter SECaM Harrison Building North Park Road Exeter Devon EX4 4QF United Kingdom Pennine Water Group Dept. Civil and Struct. Eng. University of Sheffield Mappin Building Mappin St. Sheffield South Yorkshire S1 3JD United Kingdom De Montfort University Process Control - Water Software Systems Leicester United Kingdom Department of Engineering University of Cambridge Trumpington Street Cambridge CB2 1PZ United Kingdom Lancaster University Lancaster Environment Centre Lancaster Lancs LA1 4YQ United Kingdom Environmental and Water Resource Engineering Imperial College London South Kensington London SW7 2AZ United Kingdom University of Leicester University Road Leicester LE1 7RH United Kingdom

ISBN: (纸本)9780784410240

Water service providers (WSPs) in the UK have statutory obligations to supply drinking water to all customers that complies with increasingly stringent water quality regulations and minimum flow and pressure criteria. At the same time, the industry is required by regulators and investors to demonstrate increasing operational efficiency and to meet a wide range of performance criteria that are expected to improve year-on-year. Most WSPs have an ideal for improving the operation of their water supply systems based on increased knowledge and understanding of their assets and a shift to proactive management followed by steadily increasing degrees of system monitoring, automation and *** fundamental mission is, however, to ensure security of supply, with no interruptions and water quality of the highest standard at the tap. Unfortunately, advanced technologies required to fully understand, manage and automate water supply system operation either do not yet exist, are only partially evolved, or have not yet been reliably proven for live water distribution systems. It is this deficiency that the project NEPTUNE seeks to address by carrying out research into 3 main areas;these are: data and knowledge management;pressure management (including energy management);and the associated complex decision support systems on which to base interventions. The 3-year project started in April of 2007 and has already resulted in a number of research findings under the three main research priority areas (RPA). The paper summarises in greater detail the overall project objectives, the RPA activities and the areas of research innovation that are being undertaken in this major, UK collaborative study. ©ASCE 2009.

关键词： Water quality

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Studying Power Transformers Cooling Effectiveness from Computational Fluid Dynamics approach

Studying Power Transformers Cooling Effectiveness from Compu...

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IEEE Electrical Insulation Conference

作者： K. S. Kassi I. Fofana M. I. Farinas C. Volat Research Chair on the Aging of Power Network Infrastructure (ViAHT) Universite du Quebec a Chicoutimi Research Group for Process and Systems Engineering (GRIPS) Department of Applied Sciences Universite du Quebec a Chicoutimi Modeling and Diagnostic of Power Network Equipement Laboratory (MODELE) Universite du Quebec a Chicoutimi

ISBN: (纸本)9781467387071

In this contribution, data from experimental investigations are used to develop a numerical model allowing studying the impact of mineral oils degradation on the cooling of layer-type windings power transformers. From the obtained results, it was confirmed that oil decay products, especially sludge formation are also contributing factors to temperature rise in the transformers.

关键词： Simulation Viscosity Density 3D model Hotspot

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High frequency multi-input periodic operation of continuous fermentation process

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Journal of Chemical Technology & Biotechnology 1999年第3期73卷

作者： Sing Kiong Nguang Xiao Dong Chen Systems and Control Group Department of Electrical and Electronic Engineering University of Auckland Private Bag 92019 Auckland New Zealand Food Science & Process Engineering Department of Chemical and Materials Engineering University of Auckland Private Bag 92019 Auckland New Zealand

This paper examines the problem of high frequency multi-input periodic operation of continuous fermentation process. Based on π-criterion published prevously, it is shown theoretically that a continuous fermentation process under the operation of simultaneous high frequency periodic change of feed substrate concentration and dilution rate is always superior over the steady state operation except at the optimal feed substrate concentration. This, however, is yet to be confirmed experimentally. Finally, via computer simulations, a good correlation between the simulation and theoretical calculation of the percentage of improvements on the process productivity is revealed. © 1988 Society of Chemical Industry

关键词： continuous fermentation computer simulation fermentation model high frequency multi-point periodic operation

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Recursive least squares scheme for operating a class of continuous fermentation processes at optimal steady state productivity

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Journal of Chemical Technology & Biotechnology 1999年第3期73卷

作者： Sing Kiong Nguang Xiao Dong Chen Systems & Control Group Department of Electrical and Electronic Engineering University of Auckland Private Bag 92019 Auckland New Zealand Food Science & Process Engineering Department of Chemical and Materials Engineering University of Auckland Private Bag 92019 Auckland New Zealand

This paper has developed a recursive least squares scheme for operating a class of continuous fermentation processes at the optimal steady state productivity. More precisely, the class of continuous fermentation processes under investigation is described by a widely accepted non-segregated fermentation process model. Based on a recursive least squares algorithm, an on-line estimation scheme for estimating the optimal set points for feed substrate concentration and dilution rate is developed. Finally, via simulation, it is shown that this on-line estimation scheme is robust against measurement time (sampling time). © 1998 Society of Chemical Industry

关键词： continuous fermentation process model recursive least squares scheme parameter estimation

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ALBATROSS Carbon neutrality and zero-emission vehicles with smart battery cells

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Transportation Research Procedia 2023年 72卷 2377-2384页

作者： Beatriz Correia Pedro Catarino Bjorn van de Ven Liat Gantman Anders Vestin David Britton Margit Harting Matthew Jennison Merve Öztürk İrem Sapmaz Eda Demir Josh Eichman Maite Etxandi Santolaya Tomas Montes Ahsan Habib M. Azizur Rahman Sulalit Bandyopadhyay Jahn Axel Jon Gowdy Mohsen Moslemin Koupaie Iosu Cendoya EWF Lisbon Portugal INND BATTERIES BV Netherland ALGOLION LTD REHOVOT Israel ZEMISSION AB LUND Sweden PST SENSORS EUROPE LTD United Kingdom YESILOVA HOLDING AS BURSA TURKEY FUNDACIO INSTITUT DE RECERCA DE L'ENERGIA DE CATALUNYA Spain TECHNOVATIVE SOLUTIONS LTD MANCHESTER United Kingdom NORGES TEKNISK-NATURVITENSKAPELIGE UNIVERSITET NTNU TRONDHEIM Norway FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. MUNCHEN Germany CENTRE FOR PROCESS INNOVATION LIMITED LBG United Kingdom THE UNIVERSITY OF NOTTINGHAM University Park NOTTINGHAM United Kingdom The Control Systems Group Electrical Engineering Department of the Eindhoven University of Technology

ALBATROSS is a European Funded project by the European Commission that addresses the needs of European Electric and Hybrid-Electric passenger vehicle market by overcoming driver concerns relating to battery range and anxiety, cost, long-term reliability, and excessive charging times. ALBATROSS will develop an integrated approach based on smart batteries combined with lightweight designs. Using innovative cooling technologies, we will achieve pack temperature range 5-40°C, with <3°C variation between battery cells and optimal operating temperature 20-23°C. The light weighting solutions, based on modular multi-material systems for battery modules and trays, will be fabricated and joined using cutting edge, fast and cost-effective processes, with disassembly, recycling and reuse designed in as a part of an eco-design approach. The modular approach provides solutions for BEVs and PHEVs.

关键词： Electric Propulsion Electric Vehicle Smart Batteries Temperature control Battery Management systems

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Mass action realizations of reaction kinetic system models on various time scales

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Journal of Physics: Conference Series 2011年第1期268卷

作者： K M Hangos G Szederkényi Process Control Research Group Computer and Automation Reseach Institute Kende u. 13-17 H-1111 Budapest Hungary Department of Electrical Engineering and Information Systems University of Pannonia Egyetem u. 10 Veszprém Hungary

Complex chemical reaction networks often exhibit different dynamic behaviour on different time scales. A combined approach is proposed in this work for determining physically meaningful mass action realizations of complex chemical reaction networks that describe its dynamic behaviour on different time scales. This is achieved by appropriately reducing the detailed overall mass action kinetic scheme using quasi steady state assumptions fit to the particular time scale, and then searching for an optimal realization using mixed integer linear programing. Furthermore, the relationship between the properties (reversibility, deficiency, stability) of the obtained realizations of the same system on different time scales are also investigated and related to the same properties of the detailed overall model. It is shown that the reduced models obtained by quasi steady state assumptions may show exotic nonlinear behaviour, such as oscillations, when the original detailed is globally asymptotically stable. The proposed methods are illustrated by using a simple Michaelis-Menten type reaction kinetic example. The simplified versions of the well known Brusselator model have also been investigated and presented as a case study.

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IMPROVING THE SHIP DESIGN, ACQUISITION AND CONSTRUCTION process

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NAVAL ENGINEERS JOURNAL 1992年第2期104卷 39-57页

作者： RYAN, JC JONS, OP J. Christopher Ryan:earned his bachelor's and master's degrees in Naval Architecture from Webb Institute and MIT respectively. He spent three years at the Advanced Marine Technology Division of Litton Industries working on the DD-963 class ship design and related computer aided design projects. he subsequently went to the Navy Department concentrating on early stage design of surface combatants for 12 years including work on the FFG-7 Sea Control Ship CSGN and CVV aircraft carrier projects. He then shifted focus and became the technical director for the Computer Supported Design Program in NavSea for five years. Mr. Ryan has served in several supervisory positions within the Ship Design Group in NavSea since that time. He is currently the project manager for the Ship Design Acquisition and Construction Process Improvement Project. Otto P. Jons:received a Diplom Ing. in shipbuilding from the Technical University of Hannover W. Germany and an M.S. in naval architecture and marine engineering from the Massachusetts Institute of Technology in 1967. He then joined Litton Ship Systems where he was responsible for the preliminary design of the DD-963 hull structure and then for ship systems as manager LHA Ship Systems Engineering Department. From 1972 to 1974 he was principal research scientist at Hydronautics. In 1976 as technical director he helped establish the local office of Designers and Planners. Otto Jons was one of the co-founders of Advanced Marine Enterprises Inc. in 1976 where he is corporate vice president engineering.

In the spring of 1990, the NavSea Chief Engineer initiated a project to improve the design, acquisition and construction (DAC) of U.S. Navy ships. The project's objectives are to reduce the time and cost of acquiring and operating Navy ships while improving their quality, unlike previous studies on the subject, the project utilizes a rigorous process analysis approach and attempts to use quantitative measures as the basis for recommending improvements. The paper is, of necessity, a status report on the progress of this project. Topics covered include: the DAC process;a look at the current state of ship acquisition time, cost, and quality;the methodology for process improvements;and early findings.

关键词： Naval Vessels

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