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Proceedings of 1986 ACM Fall joint computer conference

作者： Demenico Ferrari Songnian Zhou Computer Systems Research Group Computer Science Division Department of Electrical Engineering and Computer Sciences and the Electronics Research Laboratory University of California Berkeley

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AN EXPERT SYSTEM FOR REAL-TIME NOISE AND VIBRATION ANALYSIS OF SHIPBOARD EQUIPMENT

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NAVAL ENGINEERS JOURNAL 1986年第3期98卷 107-114页

作者： KLEIN, SK VAIL, JA BALON, K Jeannine A. Vailis a graduate of the University of Pittsburgh and Wheeling College where she earned MS and BS degrees in mathematics. She is currently the president of Vail Research and Technology Corporation. Experience includes twelve years in reliability maintainability and availability (RMA) engineering software development and cost analysis in NA VSEA the Naval Surface Weapons Center and industry. She developed RMA requirements and performed simulations on a wide variety of naval ships and underwater weapons. She is a co-developer of the computer simulation techniques used in this paper for which she received a Group Achievement A ward from NA VSEA in 1980. Ms. Vail is currently a member of ASNE IEEE and the Society of Reliability Engineers. Publications include “DDG-47 Reliability Engineering Analysis”Naval Engineers JournalApril 1978. Steven K. Kleinattended Indiana University where he earned BS and MS degrees in mathemtical physics and completed course work for PhD degrees in mathematical physics and inorganic chemistry. He is currently a division director with ORI Inc. He has taught physics and mathematics at Indiana University and has over fifteen years experience in RMA engineering and management including director of product assurance for the joint cruise missile project. He has provided RMA engineering support to a broad spectrum of Navy and Air Force tactical and strategic weapon systems and is a past member of the NASA microcircuit line certification team. Kevin Balonis a graduate of the University of Maryland where he earned a BSEE degree. He is currently employed with ORI Inc. where he is performing a variety of projects related with implementation of higher order languages in embedded firmware architectures.

An expert system is described which allows real-time analysis of the noise and vibration signature of vibrating machinery. The system presented consists of an adaptive algorithm which varies the band width of analysis channels as a function of a signal complexity factor and a measure of the rapidity of local signal change. Overall program architecture is presented as well as detailed discussion of signature functional identification and statistical trend modules which are adaptable to a wide variety of input data base configurations. Execution of the program on a “super-mini” in FORTRAN code with direct graphics output and on 68000 series based firmware using ADA is discussed. Results are presented of program execution on Navy hydrophone and propulsion gas turbine data showing current signature and projections of trend to future times compared with failed condition signatures. Correlation results for such predictions are also discussed.

关键词： SHIP EQUIPMENT

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DEVELOPMENTS IN SWATH TECHNOLOGY

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NAVAL ENGINEERS JOURNAL 1986年第3期98卷 171-188页

作者： GUPTA, SK SCHMIDT, TW Sudhir “S.K.” Guptais currently manager technical programs at Lockheed Shipbuilding Company Seattle Washington. He graduated from the Marine Engineering College India in 1972 and spent eight years as a marine engineer on commercial ships including service as a licensed chief engineer. In 1981 he received his BSE degree in naval architecture and marine engineering from the University of Michigan. Before joining LSC Mr. Gupta worked with Designers and Planners Inc. His current responsibilities include management of SWA TH design and development efforts. Other experience has been in the fields of computer aided design and early-stage ship design. He received the Robert E. Gross Award for Technical Excellence as Engineer/Scientist of the Year from Lockheed Corporation in 1984 for his stability studies on LSD-41 class ships. Mr. Gupta has earlier presented technical papers on ship production and diesel engines. He is a member of SNAME ASNE RINA Institute of Marine Engineers and is registered as a chartered engineer in U.K. and in India. Terrence W. Schmidtgraduated from California State Polytechnic University in 1966 receiving his BS degree in aeronautical engineering. He received his MS degree in mechanical engineering from San Jose State University. Mr. Schmidt is currently a group leader at Lockheed Advanced Marine Systems Santa Clara previously known as the Ocean Systems Division of Lockheed Missile and Space Company. A key participant on all SWATH projects his work led to him being awarded the Robert E. Gross A ward for Technical Excellence as Engineer/Scientist of the Year in 198S. His responsibilities include hydrodynamic design development and analysis of SWATH ships. He has performed experimental and analytical studies on a variety of advanced marine vehicles. From 1966 to 1973 Mr. Schmidt worked at ARO Inc. as a project engineer responsible for planning conducting and documenting wind tunnel test programs. Models included missiles aircraft and marine vehicles.

It has been over two decades since the start of SWATH technology development began in earnest. SWATH is no longer an “emerging” technology. SWATH ships are now state of the art and the technology has come of age. With the construction of the 3500 ton Kaiyo in Japan, SWATH vessels have moved from prototypes and demonstrators to modern, high performance working vessels. A number of new design techniques have been developed which enhance the seakeeping and maneuvering capability of these ships. Other concepts currently being developed include producibility improvements, structural design manuals, cost and weight estimation standards, and performance predictions based on scale models. A synthesis computer program has been developed for conceptual design based on existing SWATH ships and designs.

关键词： SHIPS

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STATISTICAL DESIGN FOR THE LOCATION OF PLANES AND CIRCLES WHEN USING A PROBE

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PRECISION engineering-JOURNAL OF THE AMERICAN SOCIETY FOR PRECISION engineering 1985年第4期7卷 187-194页

作者： SWEET, AL NOLLER, D LEE, SH School of Industrial Engineering Purdue University West Lafayette IN USA IBM Computer Integrated Manufacturing Systems Group Boca Raton FL USA

A statistical approach to the problem of establishing the location of planes and circles by use of a touch-trigger probe mounted on a machining centre is presented. Equations for determining the minimum number of measurements to make and their location in order to locate a part within a specified confidence interval are given. An explicit solution to the parameter estimation problem for the circle is derived, and its properties are compared with solutions from two other methods. It is shown that one of the methods has an estimator whose accuracy does not improve as the number of measurements made is increased because the probe can move only along cartesian axes when it is mounted on a machining centre.

关键词： position control touch-trigger probe machining centre statistical testing

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Communication primitives for a distributed multi-robot system' 2

Communication primitives for a distributed multi-robot syste...

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2nd IEEE International Conference on Robotics and Automation, ICRA 1985

作者： Shin, Kang G. Epstein, Mark E. Computer Science and Engineering Division Department of Electrical Engineering and Computer Science University of Michigan Ann ArborMI48109 United States Advanced Robotics Systems Group IBM Corporation Boca RatonFL33432 United States

ISBN: (纸本)0818606150

An integrated multi-robot system (IMRS) consists of two or more robots, machinery and sensors, and is capable of executing almost all industrial processes with efficiency, flexibility and reliability. In order to support a distributed, modular architecture of an IMRS in [SHIN84], we propose in this paper low-level communication and synchronization primitives for the IMRS. This is done by comparing and analyzing the primitives developed/proposed for general concurrent programming, and carefully examining the generic structure and interactions of IMRS processes. © 1985 IEEE.

关键词： Multipurpose robots

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Communication primitives for a distributed multi-robot system

Communication primitives for a distributed multi-robot syste...

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IEEE International Conference on Robotics and Automation (ICRA)

作者： Kang Shin M. Epstein Computer Science and Engineering Division Department of Electrical Engineering and Computer Science The University of Michigan Michigan Advanced Robot ics Systems Group IBM Corporation Boca Raton FL

关键词： Multirobot systems Communication system control Centralized control Robot sensing systems Machinery Control systems Furnaces Service robots computer industry Parallel robots

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A fast local maximum likelihood estimator for time delay estimation

A fast local maximum likelihood estimator for time delay est...

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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)

作者： T. Abatzoglou Ground Systems Group Hughes Aircraft Company Fullerton CA USA Department of Electrical and Computer Engineering Naval Postgraduate School Monterrey CA USA

A fast algorithm for the local Maximum Likelihood determination of the difference of arrival time of a common signal at two spatially separated sensors with uncorrelated noise is given. The fast algorithm consists of locally maximizing the crosscorrelation function from the two wideband signals by using Newton's method for finding the root of an equation. The probability density function of one iteration of Newtons method is explicitly computed in terms of exponential and error functions. Using a theorem by S.O Rice on the probability density of local maxima of Gaussian processes, the probability density of the local maxima of the crosscorrelator is obtained.

关键词： Delay estimation Maximum likelihood estimation Delay effects Filters Signal resolution Signal processing Wideband Newton method Equations Bandwidth

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AUTOMATION OF PROPELLER INSPECTION AND FINISHING

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NAVAL ENGINEERS JOURNAL 1985年第4期97卷 124-131页

作者： STERN, H METZGER, R Howard K. Stern:is presently vice president of Robotic Vision Systems Inc. He received a bachelor of electrical engineering degree from College of the City of New York in 1960. Mr. Stern joined Dynell Electronics Corporation in 1971 and became part of the Robotic Vision Systems Inc. staff at the time of its spin-off from Dynell. He was program manager of the various three-dimensional sensing and replication systems constructed by Dynell and Robotic Vision Systems. As program manager his responsibilities encompassed technical administrative and operational areas. The first two portrait sculpture studio systems and the first three replication systems built by Robotic Vision Systems Inc. were designed manufactured and operated under his direction. Before joining Dynell Mr. Stern was a senior engineer at Instrument Systems Corporation and chief engineer of the Special Products Division of General Instrument Corporation. Prior to these positions Mr. Stern was chief engineer of Edo Commercial Corporation. At General Instrument and Edo Commercial he was responsible for the design and manufacture of military and commercial avionics equipment. Mr. Stern is presently responsible for directing the systems design and development for all of the company's programs. Robert J. Metzger:is currently engineering group leader at Robotic Vision Systems Inc. He graduated summa cum laude from the Cooper Union in 1972 with a bachelor of electrical engineering degree. Under sponsorship of a National Science Foundation graduate fellowship he graduated from the Massachusetts Institute of Technology in 1974 with the degrees of electrical engineer and master of science (electrical engineering). In 1979 Mr. Metzger graduated from Polytechnic Institute of New York with the degree of master of science (computer science). Since 1974 Mr. Metzger has been actively engaged in the design of systems and software for noncontact threedimensional optical measurement for both military and commercial applications. Of particular note are his c

Ship's propellers are currently measured by manual procedures using pitchometers, templates and gauges. This measurement process is extremely tedious, labor intensive and time consuming. In an effort to provide increased accuracy, repeatability and cost effectiveness in propeller manufacture, an automated propeller optical measurement system (APOMS) has been built which rapidly and automatically scans an entire ship's propeller using a 3-D vision sensor. This equipment is integrated with a propeller robotic automated templating system (PRATS) and the propeller optical finishing system (PROFS) which robotically template and grind the propeller to its final shape, using the APOMS-derived data for control feedback. The optical scanning and the final shape are both controlled by CAD/CAM data files describing the desired propeller shape. An automated propeller balancing system is incorporated into the PROFS equipment. The APOMS/PRATS/PROFS equipment is expected to provide lower propeller manufacturing costs.

关键词： PROPELLERS

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FIRE MAIN CONTROL

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NAVAL ENGINEERS JOURNAL 1985年第6期97卷 35-48页

作者： MALKOFF, DB MOY, MC WILLIAMS, HL Dr. Donald B. Malkoff majored in physics as an undergraduate at Harvard University. He received an M.D. degree from the University of Pittsburgh School of Medicine in 1960. This was followed by an internship and residency in neurology at University Hospital in Ann Arbor Michigan. He spent several years at the National Institutes of Health engaged in gerontology research has practiced and taught clinical neurology and in 1983 received an M.S. degree in computer science at the University of California San Diego. Currently Dr. Malkoff is employed by the Navy Personnel Research and Development Center in San Diego California where he is senior investigator in a human factor/computer display-and-control project involving the DDG-51 gas turbine propulsion unit. He is a member of the American Academy of Neurology the Society for Neuroscience the American Association for Artificial Intelligence and the Association for Computing Machinery. Dr. Malkoff is certified by the American Board of Psychiatry and Neurology has taught computer science at UCSD and published in several research areas including magnetoencephalography and electron microscopy. His basic interests are in the areas of artificial intelligence and learning expert systems particularly as they apply to the problems of fault-detection and control. Dr. Melvyn C. Moy received his undergraduate training in mathematics and chemistry at the University of Texas Austin. He studied experimental psychology at the University of Wisconsin Madison receiving his M.S. in 1970 and Ph.D. in 1972. He served as an assistant professor at the University of South Dakota where he taught experimental design and methodology for a year before joining the Navy Personnel Research and Development Center in 1973. His work and research since then spans across many application areas such as the development of manpower planning models for the Navy the design of operational decision aids the human engineering of interactive large-scale war gaming systems and the evaluation o

The ship fire main has undergone considerable development throughout the past 2,000 years, resulting in a system that is critical both for normal ship function and for ship survivability in emergencies. Because of its complexity, the modern firemain system is highly vulnerable to malfunction and to damage during combat. Firemain fault detection and fault recovery are currently conducted manually by damage control teams. The advantages and disadvantages of this method are discussed, and alternative methods of fault detection and recovery are explored. An interactive computer program is introduced which uses central control over remotely situated valves to facilitate fault detection and recovery, significantly reducing recovery-time and manpower requirements. These reductions may result in savings of lives, ship systems, and ships themselves. The computer program is based upon an algorithm which is, in effect, a prescription that can be followed manually by the operator or be completely automated. The color graphic display which is used for monitoring can also be utilized for the training of damage control operators or for the evaluation of other algorithms for firemain control. Alternative firemain hardware and configurations could lead to even more efficient methods of fault detection and recovery as well as improved firemain water supply management in general.

关键词： NAVAL VESSELS

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AIR-CUSHION LANDING CRAFT NAVIGATION

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NAVAL ENGINEERS JOURNAL 1985年第4期97卷 248-260页

作者： GRAHAM, HR KIM, JC BAND, EGU FOWLER, AW Herbert R. Graham:received his degrees of B.S. in 1951 and M.S. in 1958 in aeronautical engineering from the Massachusetts Institute of Technology and the California Institute of Technology respectively. He also attended the Harvard Graduate School of Business Administration. He is presently a task manager at TRW Inc. McLean Virginia responsible for landing craft air cushion (LCAC) engineering support. Since joining TRW in 1967 he has had several technical project management and system engineering responsibilities in amphibious ships transportation and energy. He was responsible for the preliminary engineering design and cost estimates for tracked air cushion vehicles (TACVs). He has been active in several professional societies including ASNE and served as vice-chairman Los Angeles Section American Institute of Aeronautics and Astronautics. John C. Kim:received his degrees of B.S. in electrical engineering Tri-State University 1959 M.S. in electrical engineering Michigan State University 1960 and Ph.D. in electrical engineering Michigan State University. He is presently a senior staff engineer with TRW Inc. McLean Virginia where his technical experience has included communications system engineering and navigation system analysis. Since joining TRW in 1969 he has held numerous positions including section head project manager and department manager. His previous employment includes E-Systems/Melpar Division and Honeywell. Dr. Kim has been active in the IEEE Washington Chapter activities which included secretary vice-chairman and chairman of Systems Science and Cybernetics Group. Edward G.U. Band:received a B.S. degree in mechnical engineering in 1946 and a D.I.C in aeronautical engineering in 1947 at the City and Guilds College of London University. In 1951 he received an M.S. degree from Stevens Institute of Technology in fluid dynamics. After a career in the aircraft industry in England Canada and the U.S.A. he spent several years teaching in Chile and at Webb Institute of Naval Archi

Air cushion vehicles (ACVs) have operated successfully on commercial routes for about twenty years. The routes are normally quite short; the craft are equipped with radar and radio navigation aids and maintain continuous contact with their terminals. Navigation of these craft, therefore, does not present any unusual difficulty. The introduction of air cushion vehicles into military service, however, can present a very different picture, especially when external navigation aids are not available and the craft must navigate by dead reckoning. This paper considers the problems involved when navigating a high-speed air cushion vehicle by dead reckoning in conditions of poor visibility. A method is presented to assess the ACV's navigational capability under these circumstances. A figure of merit is used to determine the sensitivity of factors which affect navigation such as the range of visibility, point-to-point distance, speed, turning radius and accuracy of onboard equipment. The method provides simplistic but adequate answers and can be used effectively to compare the-capability and cost of alternative navigation concepts.

关键词： AIR CUSHION VEHICLES

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