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Probabilistic risk analysis of diesel power generators onboard ships

NAVAL ENGINEERS JOURNAL 1999年第3期111卷 35-58页

作者： Ayyub, BM Karaszewski, ZJ Wade, M Bilal M. Ayyub.:is a Professor of Civil Enginnering and the Director of the Center for Technology and Systems Management at the University of Maryland (College Park). He is also a researcher and consultant in the areas of structural engineering inspection methods and practices reliability and risk analysis. He completed his B.S. degree in civil engineering in 1980 and completed both the M.S. (1981) and Ph.D. (1983) in civil engineering at the Georgia Institute of Technology. Dr. Ayyub has an extensive background in uncertainty modeling and marine structural reliability marine structures uncertainty modeling and anaylsis and mathematical medeling using the theories of probability statistics and fuzzy sets. He has completed several research projects that were funded by the NSF USCG USN the USACE ASME and several engineering companies. Dr. Ayyub served the engineering community in various capacities through societies that include ASNE ASCE ASME SNAME IEEECS and NAFIPS. He is the authour and co-author of about 250 publications in journals and conference proceedings and reports. His publications include edited books textbooks and book chapters. Dr. Ayyub is the only double recipient of the ASNE “Jimmie” Hamilton Award for the best papers in the Naval Engineers Journal in 1985 and 1992. Also he received the ASCE “Outstanding Research Oriented Paper” in the Journal of Walter L. Huber Research Prize in 1997 and the K.S. Fu Award of NAFIPS in 1995. He is a registered Professional Engineer (PE) with the State of Maryland. Zbigniew J. Karaszewski:is the Associate Director of the University of Maryland's Center for Technology and Systems Management and technical director of the Center for Maritime Leadership. He is a Systems Engineering and Management Consultant specializing in life cycle system support business systems auditing and risk management and loss prevention. Mr. Karasezewski has 30 years of experience in the field of systems performance analysis and management as a practitioner and teacher

In this paper, a methodology and guidelines for applying risk methods in design and operation of maritime systems were developed and demonstrated using a case study of marine diesel generators. The methodology consists of several modules that include system definition based on functional and performance requirements, definition of dependencies among subsystems, data collection and reduction, reliability and risk analyses, and results reduction for use in decision analysis. The methodology was used to assess and analyze typical service diesel generators found onboard ships. The analysis included the generation of cut sets for the overall reliability of the system. The most likely failure scenarios were determined by demonstration as the failure of fuel supply components. The results are consistent with previous findings of the U.S. Coast Guard.

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Multi objective design techniques applied to fault detection and isolation

Multi objective design techniques applied to fault detection...

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American control Conference (ACC)

作者： H. Niemann J. Stoustrup Department of System Engineering Australian National University Canberra ACT Australia Department of Control Engineering Institute of Electronic Systems University of Aalborg Aalborg Denmark

Various methods for design of fault detectors by using multi objective techniques are presented. The advantages of using multi objective design methods are shown. The design methods are compared to standard fault dete... 详细信息

关键词： Fault detection Design methodology Filters Industrial control Signal design Uncertainty Job shop scheduling control systems Hardware Actuators

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Computer-controlled equipment testing: Speed, accuracy and improved analysis

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NAVAL ENGINEERS JOURNAL 1998年第1期110卷 207-215页

作者： Smith, JJ Greene, WC John J. Smith is a senior field engineer with the Electrmics Systems Division (ESD) of TRACOR System Technologies Inc. As the technical supervisor fm the Impact and Feasibility Studies group of the E nginemang Department he provides engineering support to the Ships Communication Systems Operation Branch Naval Air Warfare Center Aircraft Division Patuxent River St. Inigoes Maryland. This support entails the integration of radio communication systems on USS Arleigh Burke (DDG 51)-class AEGIS destrqvers and special engineering projects. During 23 years of Naval service as an electronics technician he sewed as electronics division officer for the repair division (R-4) on board USS Ghore (AS IS) homeported in La Maddalena Sardinia. His last duty station was NAVCOMSTA Roosevelt Road Puerto Rico where he sewed as muster chief-in-charge of electronic communications repair the island-wide communications quality control chiel the contract administrator to the operations and maintenance contractor supporting Mystic Star transmitter and receiver facilities for Air Fme One communications the Naval transmitter station and 16 interconnecting remote mimowave sites. Wilhemina C. Greene is a Supervisory Electronics Engineer with the Combatant Engineering and Integration Section at NAWCAD. As the team leader directs the effots of Civilian and contractors personnel responsible for delivering a fully integrated and tested Radio Communication Systems for surfme cmnbatant ships. The team also pvovida the Nay's only system level training on RCS for all AEGIS Pre-Communits. As part ofthis eflort she is responsible for the operation and maintenance of the Satellite Production Test Centq a facility housing the RCS test beds. Ms. Greene has over 20 years of government service 13 years on the AEGIS RCS program. She has a BSEE degree from Tennessee State University.

As shipboard radio communication systems (RCSs) become more complex and crew size continues to be reduced, the requirement for an automated, condition-based maintenance system is imperative. Personal computers can be programmed to provide full equipment testing that is capable of digital interface as well as automated and semi-automated testing of equipment that is not buss-controllable. Some of the advantages of computer-controlled equipment testing (CCET) include increased accuracy repeatability, and data-collection capability for in-depth analysis. However, the paramount advantage of CCET is speed. This paper will describe various methods of remote testing, including using a LAN, the Internet, and the telephone system. It will detail application software developed to test the Aegis-class destroyers' RCS equipment. This paper examines CCET as it is presently applied to the Aegis Board of Inspection and Survey (INSURV) support program. Additionally, the condition-based maintenance (CBM) application developed for over-the-air system testing of the Navy's UHF line-of-sight (LOS) system installed on the USS Yorktown (CG 48) as part of the Smart Ship project will be described. This paper will also describe CCET methods to use charged-coupled device (CCD) miniature cameras to read analog meters, gauges, or entire gauge boards.

关键词： Electronic ship equipment

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EDITORIAL

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International Journal of Robust and Nonlinear control 1998年第4期7卷

作者： Giorgio Bartolini Antonella Ferrara Sarah Spurgeon Department of Electrical and Electronic Engineering University of Cagliari Piazza d'Armi 09123 Cagliari Italy Department of Communication Computer and System Sciences University of Geneva Via Opera Pia 13 Geneva Italy Control Systems Research Department of Engineering University of Leicester Leicester LE1 7RH U.K.

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Fault analysis of space station dc power systems—using neutral network adaptive wavelets to detect faults

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AIP Conference Proceedings 1997年第1期387卷 277-284页

作者： James A. Momoh Yanchun Wang James L. Dolce Center for Energy Systems and Control Department of Electrical Engineering Howard University Washington District of Columbia 20059 System Analysis and Engineering Branch NASA Lewis Research Center Cleveland Ohio 44135

This paper describes the application of neutral network adaptive wavelets for fault diagnosis of space station power system. The method combines wavelet transform with neural network by incorporating daughter wavelets into weights. Therefore, the wavelet transform and neural network training procedure become one stage, which avoids the complex computation of wavelet parameters and makes the procedure more straightforward. The simulation results show that the proposed method is very efficient for the identification of fault locations.

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Physical limits and information bounds of micro control. I. Quantum filters and non-demolition measurements 8

Physical limits and information bounds of micro control. I. ...

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8th International Symposium on Micromechatronics and Human Science, MHS 1997

作者： Ulyanov, S.V. Arai, F. Yamafuji, K. Fukuda, T. Rizzotto, G.G. Kurawaki, I. Department of Mechanical and Control Engineering University of Electro-Communications 1-5-1 Chofu Tokyo182 Japan Department of Micro Systems Nagoya University Furo-cho Chikusa-ku Nagoya Japan Corporate Advanced System Architectures Groups SGS-THOMSON Microelectronics Via C. Olivetti 2 Agrate Brianza20041 Italy Human Technology Division Research and Development Department Yamaha Motor Co. Ltd 2500 Shingai Iwata Shizuoka438 Japan

ISBN: (纸本)0780341716

The possible accuracy limit of micro control of dynamic systems in which the dominating disturbances are thermal and quantum noises is considered. The optimal control with a Kalman-Bucy filter (KBF) and physical limits of micro control of a macro object are studied. For the individual control of a micro object a quantum prototype of KBF with non-demolition observation on the basis of quantum filtering equation is introduced. © 1997 IEEE.

关键词： Demolition

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Robust Classification of "Artificial Nose" Sensor Data by Artificial Neural Networks

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IFAC Proceedings Volumes 1997年第9期30卷 347-351页

作者： Z. Boger L. Ratton T.A. Kunt T.J. Mc Avoy R.E. Cavicchi S. Semancik Consultant Intelligent Process Control Systems PO Box 15053 Be’er-Sheva 84003 Israel Institute for System Research Department of Chemical Engineering University of Maryland College Park MD 20742 Chemical Science and Technology Laboratory National Institute of Standards and Technology Gaithersburg MD 20899

Response data from a novel micro-hotplate gas sensor were used to test a robust classification technique based on an artificial neural network. Four different compounds were identified even when the sensor signal was corrupted by high levels of noise and drift. Additional verification rules in doubtful cases were provided by examining unique binary patterns of outputs of the hidden layer neurons. Similarities to proposed models of the human nose are noted.

关键词： Micro-hotplate gas sensors Artificial neural networks Classification rules Artificial nose

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Physical limits and information bounds of micro control. I. Quantum filters and non-demolition measurements

Physical limits and information bounds of micro control. I. ...

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International Symposium on Micromechatronics and Human Science (MHS)

作者： S.V. Ulyanov F. Arai K. Yamafuji T. Fukuda G.G. Rizzotto I. Kurawaki Department of Mechanical and Control Engineering University of Electro-Communications Tokyo Japan Department of Micro Systems University of Nagoya Nagoya Japan Corporate Advanced System Architectures Groups SGS-THOMSON Microelectronics Agrate-Brianza Italy Research & Development Department YAMAHA MOTOR Company Limited Iwata Shizuoka Japan

关键词： Filters Distortion measurement Optimal control Equations Optical microscopy Motion measurement control systems Robots Atom optics Optical control

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Expert system for energizing bulk power systems after a blackout

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EUROPEAN TRANSACTIONS ON ELECTRICAL POWER 1997年第1期7卷 19-26页

作者： Markovic, ML [?]Milond L. Markovic (1960) received the Dipl.-Ing. and M.Sc. degrees in electrical engineering from the University of Beognd in I984 and 1990. respectively. From 1985 to 1991 he was at the Institute “Mihajlo Pupin” Beognd. In 1991 he joined the Austrian Electricity Board (Verbund) in its central dispatching department. His main interests are application of Operations Research methods and intelligent systems to power system control and operation. (herreichische Elektrizitiitswirtschafts-AG (Verbund). Am H of 6 a. A-IOIO Wien. Austria. Tel +43 11531 13-2368 Fax +43 1/5113-23 16. E-mail: markovic@verbund.co.at)

In this paper an expert system for energizing the hydro-dominated Austrian bulk power system after a blackout is presented. According to general restoration guidelines and operating procedures, the expert system computes the restoration schedule (as a sequence of events)for the presumed blackout (i. e. non-available elements are defined). The restoration schedule is concluded using a discrete event simulator where all substations are modelled at element level. The dispatcher is guided by check lists to follow this restoration schedule and the switching instructions are proposed. Subsequent faults during the restoration result in a revision of the restoration schedule. This expert system has been realized with the help of the expert system fool KEE, and is in use as a stand-alone program. Further integration within the energy management system is under way.

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Influence of human engineering on manning levels and human performance on ships

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NAVAL ENGINEERS JOURNAL 1997年第5期109卷 67-76页

作者： Anderson, DE Oberman, FR Malone, TB Baker, CC David E. Anderson:has a bachelor of science degree in environmental engineering from Florida Technological University and a master's degree in environmental engineering from the University of Central Florida. He is a graduate of the Naval Sea Systems Command's Engineer-In-Training (EIT) Program. Mr. Anderson was instrumental in introducing the collective protection system (CPS) in the U.S. Navy developing the initial forward-fit package for the USS Gunston Hall and the engineering change proposal (ECP) for the USS Wasp. In 1990 he joined the Human Systems Integration (HSI) Division (SEA 55W5) where he was task leader for auxiliary ships. He is currently the HSI manager for the future technology variant of the SeaLift ship and the future carrier. Association of Scientists and Engineers 33rdAnnual Technical Symposium 26 April 1996. Fred R. Oberman:has B.A. and M.A. degrees from the University of Chicago and Loyola University (experimental psychology) and an M.S. degree in industrial engineering and operations research from Virginia Polytechnic Institute (VPI). He has more than 30 years experience in HSI management planning research analysis design and testing in government and private sector positions. He is currently responsible for NavSea HSI generic research and tool development efforts. He is responsible for Human Engineering Specifications and Standards (Commercial Hypertext) and is the NavSea 03D7 representative on HSI in Performance Specifications and for integration of HSI within Integrated Logistic Support (ILS). He has served as DoD HSI SubTAG chair and member of the Simulation and Modeling Test and Evaluation Display and Control Systems Human Computer Interaction Specifications and Standards and Systems Design Sub Tags as a member of the Society of Naval Architects and Marine Engineers (SNAME) Systems Safety Panel and a member of NATO RSG 14 on man-machine analysis. Thomas B. Malone: CHFEP received a Ph.D. in experimental psychology from Fordham University in 1964. He is president of Carlow

The objectives of Human engineering (HE) are generally viewed as increasing human performance, reducing human error, enhancing personnel and equipment safety, and reducing training and related personnel costs. There are other benefits that are thoroughly consistent with the direction of the Navy of the future, chief among these is reduction of required numbers of personnel to operate and maintain Navy ships. The Naval Research Advisory Committee (NRAC) report on Man-Machine Technology in the Navy estimated that one of the benefits from increased application of man-machine technology to Navy ship design is personnel reduction as well as improving system availability, effectiveness, and safety The objective of this paper is to discuss aspects of the human engineering design of ships and systems that affect manning requirements, and impact human-performance and safety The paper will also discuss how the application of human engineering leads to improved performance, and crew safety, and reduced workload, all of which influence manning levels. Finally, the paper presents a discussion of tools and case studies of good human engineering design practices which reduce manning.

关键词： Human engineering

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