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2nd Solar Orbiter Workshop

作者： Maksimovic, M. Bale, S.D. Vaivads, A. Krasnoselskikh, V. Chust, T. Balikhin, M. Goetz, K. Gough, P. Travnicek, P. Soucek, J. Rucker, H. LESIA Observatoire de Paris Place Jules Janssen 92195 Meudon cedex France Department of Physics Space Sciences Laboratory University of California Berkeley Berkeley CA 94720-7450 United States Swedish Institute of Space Physics Uppsala Sweden LPCE/CNRS 3A ave. de la recherche scientifique 47071 Orleans cedex France CETP 10-12 avenue de l'Europe 78140Vélizy France Dept. of Automatic Control and Systems Eng. University of Sheffield Mappin Street Sheffield S13JD United Kingdom School of Physics and Astronomy University of Minnesota 116 Church street S.E. Minneapolis MN 55455-0112 United States Space Science Centre School of Engineering University of Sussex Brighton BN1 9QT United Kingdom Institute of Atmospheric Physics Czech Academy of Sciences Bocni II 1401 14131 Prague 4 Czech Republic Space Research Institute Austrian Academy of Sciences Graz Austria

ISBN: (纸本)9290922052

We present in this paper the general characteristics of a Radio and Plasma Wave experiment that we wish to submit in response to a possible Announcement of Opportunity for the Solar Orbiter payload. This experiment will provide measurements of both electrostatic and electromagnetic fields and waves in a broad frequency band, typically from a fraction of a Hertz up to a few tens of MHz, covering therefore all the scientific objectives described in the Solar Orbiter Science requirements document.

关键词： Space research

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Hybrid spiral-dynamic bacteria-chemotaxis algorithm with application to control two-wheeled machines

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Robotics and biomimetics 2017年第1期4卷 3页

作者： K M Goher A M Almeshal S A Agouri A N K Nasir M O Tokhi M R Alenezi T Al Zanki S O Fadlallah Department of Informatics and Enabling Technologies Lincoln University Lincoln New Zealand. Electronics Engineering Technology Department College of Technological Studies Public Authority for Applied Education and Training (PAAET) Adailiya Kuwait. Department of Automatic Control and Systems Engineering The University of Sheffield Sheffield UK. Mechanical Engineering Department Auckland University of Technology Auckland New Zealand.

This paper presents the implementation of the hybrid spiral-dynamic bacteria-chemotaxis (HSDBC) approach to control two different configurations of a two-wheeled vehicle. The HSDBC is a combination of bacterial chemotaxis used in bacterial forging algorithm (BFA) and the spiral-dynamic algorithm (SDA). BFA provides a good exploration strategy due to the chemotaxis approach. However, it endures an oscillation problem near the end of the search process when using a large step size. Conversely; for a small step size, it affords better exploitation and accuracy with slower convergence. SDA provides better stability when approaching an optimum point and has faster convergence speed. This may cause the search agents to get trapped into local optima which results in low accurate solution. HSDBC exploits the chemotactic strategy of BFA and fitness accuracy and convergence speed of SDA so as to overcome the problems associated with both the SDA and BFA algorithms alone. The HSDBC thus developed is evaluated in optimizing the performance and energy consumption of two highly nonlinear platforms, namely single and double inverted pendulum-like vehicles with an extended rod. Comparative results with BFA and SDA show that the proposed algorithm is able to result in better performance of the highly nonlinear systems.

关键词： Bacteria chemotaxis Hybrid fuzzy logic control PD-like fuzzy logic control Spiral dynamics Two-wheeled inverted pendulum with new configuration

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Corrigendum to “Ecological network analysis on intra-city metabolism of functional urban areas in England and Wales” [Resour. Conserv. Recycl. 138 (2018) 172–182]

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Resources, Conservation and Recycling 2019年 145卷 457-457页

作者： Ling Min Tan Hadi Arbabi Qianqian Li Yulan Sheng Danielle Densley Tingley Martin Mayfield Daniel Coca Department of Civil and Structural Engineering The University of Sheffield Sheffield S1 3JD UK Department of Urban Studies and Planning The University of Sheffield Sheffield S1 3JD UK Department of Automatic Control and Systems Engineering The University of Sheffield Sheffield S1 3JD UK

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Computer‐aided calculation of the steady‐state thermal performance characteristics of low‐voltage circuit breakers

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European Transactions on Electrical Power 1993年第5期3卷 347-352页

作者： Völker, F. Dr.-Ing. Frank Völker (1958) VDI studied mechanical engineering special subjects “powerengineering automatic control engineering and mechanical science” at the University-GH-Duisburg/Germany where he got his Dipl.-Ing. degree in 1984. From 1984 to 1990 he has been a scientific assistant at the department “Konstruktionslehre und Fördertechnik” special subject “computer simulation of the performance characteristics of driving systems” at the same University where he received his Dr.-Ing. degree in 1990. In 1990 he joined Klöckner-Moeller GmbH Bonn/Germany as research engineer at the department “Forschung”. Since 1992 he is manager of Energy Management Systems at this company. (Klöckner-Moeller GmbH Head Office Energy Management Systems Hein-Moeller-Str. 7-11 D-53115 Bonn T +49228/602 - 11 62 Fax +49228/602- 11 94)

A discrete thermal network is given as an equivalent circuit of the steady‐state thermal performance characteristics of circuit breakers. The immediate environment of the enclosure and the feeders of the unenclosed switching device are the boundaries of the equivalent circuit, which specifically models the central phase of a three‐phase circuit breaker. Computer simulations make it possible to analyse the thermal system performance in rated service. Selected examples prove the high quality of the model and the efficiency of the described method of calculation. Copyright © 1993 John Wiley & Sons, Ltd.

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MASTER ORDNANCE REPAIR APPLIED - STANDARD ITEM 009-67

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NAVAL ENGINEERS JOURNAL 1986年第3期98卷 35-42页

作者： STIMSON, WA MARSH, MT UTTICH, RM William A. Stimsonreceived his B.S. degree in mathematics from the University of Texas at El Paso in 1964 and his M.S. degree in engineering from the University of Santa Clara in 1971. He served in the U.S. Army Artillery during the Korean Conflict and subsequently was employed at IBM Huntsville Alabama until 1968 where he worked in the design of automatic control systems of the Saturn vehicle. From 1968 until 1971 he was employed at Ames Research Center Moffett Field in the design of nonlinear control systems for sounding rockets and pencil-shaped spacecraft. Following this Mr. Stimson worked at Hewlett Packard Sunnyvale California as a test engineer in automatic test systems. Since 1973 Mr. Stimson has been employed at the Naval Ship Weapon Systems Engineering Station Port Hueneme. He was a ship qualification trials project supervisor for many years and is now serving as master ordnance repair deputy program manager. Mr. Stimson is a member of the American Society of Naval Engineers and is program chairman of the Channel Islands Section. Cdr. Michael T. Marsh USNreceived a B.S. in mathematics from the University of Nebraska and was commissioned via the NESEP program in 1970. He holds an M.S. in computer science from the U.S. Navy Postgraduate School and an MBA from the State University of New York. Cdr. Marsh has served in the weapons department of USSFrancis Hammond (FF-1067) and of USSJohn S. McCain (DDG-36). He was weapons officer aboard USSSampson (DDG-10). As an engineering duty officer Cdr. Marsh was the technical design officer for PMS-399 at the FFG-7 Class Combat System Test Center from 1978 to 1982. He is presently combat system officer at SupShip Jacksonville and has been active in the MOR program since its inception. Cdr. Marsh is also the vice chairman of the Jacksonville Section of ASNE. LCdr. Richard M. Uttich USNholds B.S. and M.S. degrees in mechanical engineering from Stanford University. He enlisted in the Navy in 1965 serving as an electronics technician aboard USSNereus (A

The 600-ship United States Navy offers private shipyards an unprecedented opportunity for overhaul of surface combatants with complex combat systems. Recognizing the new challenge associated with the overhaul of high technology combat systems in the private sector, the Navy in 1983 established the master ordnance repair (MOR) program. This program, a joint effort of the Naval Sea systems Command (NAVSEA) and the Shipbuilders Council of America (SCA), was designed to identify and qualify those companies and private shipyards technically capable of managing combat systems work and conducting combat system testing. Standard Item 009–67 describes the role of the MOR company in combat system overhaul. It defines terms that are important to understanding the item itself, and imposes upon the prime contractor an obligation to utilize the MOR subcontractor in a managerial capacity. Specific tasks are assigned to the MOR company in planning, production, and testing. Finally, this standard item describes to the Navy planner how to estimate the size of the MOR team appropriate to the work package, a feature that will ensure that combat system bids are tailored to a specific availability.

关键词： WARSHIPS

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EXPERIENCES WITH REVERSE-OSMOSIS DESALINATION ABOARD USS FLETCHER

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NAVAL ENGINEERS JOURNAL 1984年第3期96卷 69-75页

作者： ADAMSON, WL PIZZINO, JF SMITH, W Wayne L. Adamson:received his BS and MS degrees in mechanical engineering from Georgia Institute of Technology in 1962 and 1966 respectively and his MS degree in governmental administration from the George Washington University in 1969. He has been employed at the David W Taylor Naval Ship Research and Development Center Annapolis Maryland since 1957 and presently conducts research and development in shipboard auxiliary machinery including desalination and water recovery equipment heat exchangers and steam condensers. He is a registered Professional Engineer in the state of Maryland and in addition to ASNE which he joined in 1967 he is a member of ASME. Joseph F. Pizzino:received his BS degree in chemical engineering from the University of Maryland in 1970 and his MS degree in chemical engineering from The Catholic University of America in 1978. He has been employed at the David W. Taylor Naval Ship Research and Development Center Annapolis Maryland since 1971 and is currently involved in the development of reverse osmosis for shipboard desalination and liferaft emergency desalination. In addition to ASNE which he joined in 1974 he is a member of AIChE. Wilbur L. Smith:received his BS degree in mechanical engineering from the Virginia Polytechnic Institute in 1962 and has done graduate work at Pennsylvania State University and George Washington University in automatic control theory and systems engineering. His career with the U.S. Navy started at the Philadelphia Naval Shipyard in 1962 as a designer of hydraulic systems. He worked for the Naval Boiler and Turbine Laboratory as a boiler control system engineer from 1964 until 1968. Since then he has been employed by the Naval Sea Systems Command and is currently head of the Heat Exchanger Branch Code 56X23.

As part of a program to develop reverse osmosis (RO) desalination systems for shipboard freshwater production, the David Taylor Naval Ship Research and Development Center worked with the Naval Sea systems Command to install a 12,000 gal/day, two-stage RO plant aboard USS Fletcher (DD 992) in 1981. The first stage provides potable water (less than 500 parts/million total dissolved solids) for crew needs; the second stage provides high purity water (less than 2 parts/million of total dissolved solids) for boiler makeup. The plant has been producing acceptable water quality and quantity despite some materials related problems. The system design has proven to be well suited for minimizing manning and maintenance requirements. A 12,000 gal/day “ship quality” RO system is now under contract to meet Navy needs for a reliable, minimum weight and volume, low energy desalination plant for future surface ships. The preproduction plant will be required to meet stringent reliability requirements as well as shock, vibration, and noise specifications as part of the process for obtaining approval for full production. This paper describes the technology developments necessary to achieve the present naval performance levels and discusses plans for future applications.

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EVALUATING THE NEUROPHYSIOLOGICAL SIGNATURES OF DIFFERENT ALCOHOL CONSUMPTION PATTERNS WITH EPICORTICAL NEUROPROSTHETICS

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IBRO Neuroscience Reports 2023年 15卷 S576-S576页

作者： Bettina Habelt Dzmitry Afanasenkau Cindy Schwarz Ivan Minev Rainer Spanagel Marcus Meinhardt Nadine Bernhardt TU Dresden Medical Faculty Department Of Psychiatry And Psychotherapy Dresden Germany TU Dresden Biotechnology Center (biotec) Dresden Germany University of Sheffield Department Of Automatic Control And Systems Engineering Sheffield United Kingdom University of Heidelberg Medical Faculty Mannheim Institute Of Psychopharmacology Central Institute Of Mental Health Mannheim Germany

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Magnetic Tracking: A Facile Magnetic System for Tracking of Medical Devices (Adv. Mater. Technol. 6/2021)

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Advanced Materials Technologies 2021年第6期6卷

作者： Liam Swanepoel Nouf Alsharif Alexander Przybysz Pieter Fourie Pierre Goussard Mohammad Asadullah Khan Abdullah Almansouri Jurgen Kosel Computer Electrical and Mathematical Sciences and Engineering King Abdullah University of Science and Technology Thuwal Makkah 23955-6900 Saudi Arabia Department of Paediatrics and Child Health Stellenbosch University Stellenbosch Western Cape 7600 South Africa Department of Automatic Control and Systems Engineering The University of Sheffield Sheffield S1 3JD UK Department of Electrical and Electronic Engineering University of Jeddah Jeddah Makkah 21959 Saudi Arabia Department of Sensor Systems Silicon Austria Labs Villach 9524 Austria

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Bearing faults and broken bars simulation in an induction motor using an engineering tool

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Journal of Physics: Conference Series 2020年第1期1633卷

作者： Gustavo Caiza Carlos Andres Garcia Baldui Blanque-Molina Marcelo Vladimir Garcia Department of Electronics Engineering Universidad Politecnica Salesiana Moran Valverde Av. Quito 170146 Ecuador Faculty of Systems Electronics and Industrial Engineering Universidad Tecnica de Ambato De los Chasquis Av. Ambato 180103 Ecuador Department of Electric Engineering Universitat Politècnica de Catalunya Av. Victor Balaguer Vilanova i La geltru 08800 Spain Department of Automatic Control & Systems University of the Basque Country Torres Quevedo Ingeniaria Plaza Bilbao 48013 Spain

Industrial processes require reliable, safe, and continuous operation of electric motors. However, unexpected failures result in production losses, high emergency maintenance costs, damage to other related machines and prolonged shutdowns. Therefore, the development of failure analysis, detection and prevention systems is of high importance for the industrial sector. The following paper proposes the generation of a model of a squirrel cage induction motor in the software tool Simulink capable of simulating: i) broken bars and broken rotor rings, and ii) failures in the bearings of the motor, based on the Motor Current Signature Analysis (MCSA) technique which is a non-invasive method. Moreover, the Fast Fourier Transform (FFT) analysis is used to perform spectral investigation on the current to detect specific components that characterize faults in these conditions.

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Set-up of active magnetic bearings for control of flexible shaft

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AIP Conference Proceedings 2018年第1期2029卷

作者： Adam Piłat Bartosz Sikora Jan Klocek Jan Cieślik 1AGH University of Science and Technology Faculty of Electrical Engineering Automatics Computer Science and Biomedical Engineering Department of Automatic Control and Robotics Mickiewicza 30 30-059 Krakow Poland 2Optister Jalowcowa 50 31-329 Krakow Poland 3AGH University of Science and Technology Faculty of Mechanical Engineering and Robotics Department of Manufacturing Systems Mickiewicza 30 30-059 Krakow Poland

This paper presents the new laboratory test rig of the vertical axis flexible shaft supported by two active magnetic bearings. Behind the motivation of establishing this setup is the control of vibration modes of the flexible rotor - shaft assembly, while the rotational speed varies and the unbalanced mass on the whirling disc is introduced to the system. The proposed model is aimed to simulate real operation conditions of the rotating machinery with an applied external load, with a variable structure caused by a change of material properties of the rotor - shaft assembly, or due to a fault of some elements coupled with the rotor.

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