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ON THE POWER OF ONE-WAY SYNCHRONIZED ALTERNATING MACHINES WITH SMALL SPACE

International Journal of Foundations of computer Science 1992年第1期3卷 65-79页

作者： JURAJ HROMKOVIČ KATSUSHI INOUE BRANISLAV ROVAN ANNA SLOBODOVÁ ITSUO TAKANAMI KLAUS W. WAGNER Department of Mathematics and Computer Science University of Paderborn Postfach 1621 4790 Paderborn Germany On leave from Comenius University Bratislava. Department of Computer Science and Systems Engineering Yamaguchi University Ube 755 Japan Department of Computer Science Comenius University 842 15 Bratislava Czechoslovakia Institute of Computer Science Comenius University 842 15 Bratislava Czechoslovakia Department of Theoretical Computer Science Institute of Computer Science Julius-Maximilians-Universität Am Hubland 8700 Würzburg Germany

This paper continues the investigation of the concept of synchronized alternation. The open problems from Ref. 4 are solved by showing that one-way synchronized alternating (multihead) automata are as powerful as two-way ones. More precisely it is shown that: (i) one-way synchronized alternating finite automata recognize exactly context-sensitive languages, and (ii) NSPACE(n k ) is exactly the family of languages recognized by one-way (two-way) synchronized alternating k-head finite automata, for k≥1. Finaly, the synchronization complexity of one-way synchronized Turing machines (1satm's) is investigated and an infinite hierarchy among classes of sets accepted by 1satm's with space and synchronization bounds between log log n and log n is established. Some closure properties of the classes in this hierarchy are also proved.

关键词： Synchronized alternation complexity classes multihead finite automata

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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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What happened to the system perspective in reliability?

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Quality and Reliability engineering International 1992年第5期8卷 391-412页

作者： Halverson, Mark Ozdes, Demir Mark Halverson:received a BSEE from the University of Michigan in 1972 followed by an MS in Computer Information and Control System Engineering in 1973 also from the University of Michigan. Mr. Halverson has worked predominantly on military and aerospace design projects for such companies as Litton and Northrop. He is a specialist in inertial navigation and control systems. He has also worked with PLG Inc. as a risk analyst on various projects including commercial military and space applications. Since 1986 Mr. Halverson is an aerospace consultant working in Europe where he among other activities codeveloped the BRAT probabilistic risk analysis program. Demir Ozdes:received his BSEE from Purdue University in 1958 and his MSEE from the University of Arizona in 1963. He has over 35 years of experience in electronic design system engineering optimal control system design and analysis as well as in the design analysis and simulation of synergistic navigation systems. He has worked at Northrop Teledyne SPC TRW and Litton. Since 1984 he has been a private consultant in the aerospace field in Europe and is co-holder of patents as well as being a co-developer of the BRAT probabilistic risk analysis program.

This paper takes a broad overview of the reliability and safety engineering practice as it is commonly exercised in the aerospace and military industries today, especially with respect to complex electronic equipment which typically includes considerable software content. A general deficiency is noted with regard to the system-level approach to reliability. It would appear that the system-level reliability activities are given less attention than is needed, while excessive emphasis is placed on component micro- physics, component failure models, and various component-oriented analyses. systems-level reliability topics, which predominate in the equipment reliability which is actually observed, are sometimes ignored by reliability engineers. Methods and practical philosophies to re-establish a solid system engineering foundation for contemporary reliability practice, which have been developed through the authors' experience in the field, are presented. Finally, an example analysis is shown to illustrate the concepts.

关键词： Reliability

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FFG-61 PROTOTYPE DIGITAL TECHNICAL LIBRARY

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NAVAL ENGINEERS JOURNAL 1992年第2期104卷 58-68页

作者： VINROOT, CA ORNER, JG USN Capt. Charles A. Vinroot USN (Ret.)retired from the U.S. Navy in September 1991 following over 27 years of active duty as an engineering duty officer. He holds a BSEE from North Carolina State University and a MSEE and professional degree from the U.S. Naval Postgraduate School. During his naval career he served on USSIndependence (CVA-62) and USSLuce (DLC-7/DDC-38). He also served at Supship Quincy Mass. and Hunters Point Naval Shipyard. He was stationed in Washington D.C. with assignments at CNO (OP 98) ASN (S&L) and the Naval Sea Systems Command. Captain Vinroot was technical director of the Battleship Reactivation Program (PMS 378) technical director of the Destroyer Acquisition Program (PMS 389) and deputy program manager of the Amphibious Warfare and Strategic Sealift Program (PMS 377). Most recently he served as program manager for Gas Turbine Surface Combatants (PMS 314) and Surface Combatants (PMS 330). Captain Vinroot is now employed by PRC Inc. and serves as technical director for the Advanced Technology Division in Crystal City Va. Jeffery G. Ornergraduated from Wittenberg University in Springfield Ohio in 1979 with a bachelor of arts degree in political science and earned a master's of science degree in business from The American University in Washington D.C. in 1982. He has ten years of professional experience with the Naval Sea Systems Command in positions with responsibilities for logistic support planning policy and delivery computer-aided acquisition and logistic support and Fleet Modernization Program (FMP) and ship construction issues. He was a key player in establishing the current FMP integrated logistic support (ILS) process and in implementing of the Ships' Configuration and Logistic Support Information System (SCLSIS). His current position as Fleet Logistic Support Branch head for the Surface Combatant Program includes responsibility for logistic support and management of ship configuration and logistic data for all surface combatant ships (except for Aegis ships). In

USS Ingraham (FFG-61) is the prototype ship for NavSea's Advanced Technical Information System (ATIS). ATIS is a digital technical library, which holds on optical disks the ship's 2,000 technical manuals and 73,000 drawing sheets. It contains a detailed ship's configuration index (derived from SCLSIS) to lead the user to the proper drawing or manual, and it replaces the ship's aperture cards and the second (library) copy of the technical manuals. ATIS, and the data standards established and tested through ATIS development, will be the technical library portion of micro-SNAP and SNAP III. It also forms an important part of NavSea's plans to utilize EDMICS data. This paper describes the goals and technical concepts behind the development of ATIS. Problems encountered, solutions developed, and lessons learned are detailed. Special attention was paid to the application of the computer Aided Acquisition and Logistic Support (CALS) standards, problems caused by conflicts and ambiguities in those standards, the standards. Original program goals are compared with actual operational experiences. Plans for future expansion are outlined, including applications of this technology in the availability planning and execution process. A comparison is developed among the various methods of optical imaging and their costs and benefits.

关键词： Information Retrieval systems

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EMI - THE ENEMY WITHIN

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NAVAL ENGINEERS JOURNAL 1992年第2期104卷 69-80页

作者： BARON, NT CEBULSKI, DR Neil T. Baronis currently the team leader for the combat system topside design work for amphibious assault auxiliary mine warfare and Coast Guard ships. He sits on the IEEE SCC-28 Committee for personnel radiation hazards and is extensively involved in the EM engineering initiative at NavSea. Mr. Baron has lectured at the MIT Summer Professional Series on the subject of electromagnetic interference. While attending Marquette University he started his career with the Navy as a coop student supporting personnel radiation hazard assessments. After graduating with a BS in bio-medical engineering he took an electronics engineer position in the Systems Electromagnetic Division. Since then he has lectured on Navy training films and has developed several software packages which have pushed the state-of-the-art in EMI assessment. Mr. Baron has prepared several reports and professional papers. He has worked on several professional committees and in February of 1991 was awarded the “Young Engineer of the Year Award” which was presented by the D.C. Council of Engineering and Architectural Societies. Donald R. Cebulskiis currently the head of the Topside Design Division in the Naval Sea Systems Command Weapons and Combat System Directorate. He graduated from the University of Michigan with a bachelor's degree in 1963 and a master's degree in 1977 both in naval architecture and marine engineering. He started his career in 1964 at the Bureau of Ships and joined the Aircraft Carrier Section of the Arrangements Branch in Hull Design. During the past 25 years he has included almost every naval ship type in his ship arrangement experience and in October of 1988 he transferred to the Topside Design and Integration Branch in the System Electromagnetics Division Sea 06. Mr. Cebulski has written several papers on ship arrangements computer aided design and ship topside design. He prepared and presented lectures at the MIT Professional Series on ship topside design and has served on many ASNE committees. He is currently the

Electromagnetic interference (EMI) is one of the major contributors to mission degradation in our fleet today due to the increase in population and sensitivity of both topside and below deck electronic systems. Sensitive combat systems designed to counter intelligent and deceptive targets can be confused by the complex intra-ship EM environment. This can cause identification failure or losing "track" of a hostile or incoming missile or even engaging "friendly targets." Topside design and integration efforts have been used to reduce EMI, but this is not the total solution to the problem. A program of total ship and system EMI assessment and control must be implemented. This program must exploit electromagnetic compatibility (EMC) optimization in electronic circuit design and take advantage of and (in some cases) direct topside shapes and structures to control the propagation of desired and undesired EM energy. Positive and active control of EM design characteristics are absolutely required before optimum combat system effectiveness can be realized. This paper will describe the current topside design process, EMC improvements being made, and how the process is being integrated into, and is dependent upon, the ship design process. It will give examples of some of the major mission degrading EMI problems in the fleet today and how past problems were solved with existing EM analysis programs. It will also discuss the control of EM energy in new design through the use of techniques being developed such as ray tracing and ray casting. The paper projects where the challenges lie for future topside and EM engineering designers and describes how the equipment technology transfer process must be better integrated to meet the challenge of effective EMI control.

关键词： Signal Interference

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SMALL SHIPS, ADVANCED TECHNOLOGY AND WARFIGHTING PERFORMANCE

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NAVAL ENGINEERS JOURNAL 1991年第3期103卷 30-45页

作者： SKOLNICK, DH SKOLNICK, A David H. Skolnickhas practiced naval engineering in both government and industry. He has supported the Military Sealift Command and the Naval Sea Systems Command Ship Design Group and Amphibious Ship Acquisition Program Office participating in the design and assessment of ship structure evaluation of intact and damaged stability and arrangements during design and construction phases of acquisition conversion and overhaul. He is currently involved in systems engineering and integration. Recent responsibilities have included requirements analyses and feasibility studies interface analyses and computer aided analyses. He received his B.S. in naval architecture and marine engineering from Webb Institute of Naval Architecture in 1982 (as an ASNE scholar) and is currently an M.S. candidate in systems engineering at the University of Virginia. Alfred Skolnickserved over 30 years as an engineering duty officer and retired from the Navy with the rank of captain in 1983. His early assignments included tactical missile engineering shipboard duty and Polaris submarine inertial navigation. He later served in the Deep Submergence Systems Project was project director surface effect ships (SES) David Taylor Model Basin director of technology Joint Navy-Commerce SES Program director combat systems Naval Sea Systems Command and project manager directed energy weapons. His awards include the Navy League's Parsons Award in 1979 for scientific and technical progress ASNE's Gold Medal in 1981 for high energy laser development the Navy Legion of Merit in 1983 National Capital Engineer of the Year in 1986 and the American Defense Preparedness Association Gold Medal in 1988 for contributions to strategic defense. He was president of ASNE from 1985–1989. He received his B.S. in mathematics from Queens College his M.A. in mathematics from Columbia University his M.S. in electrical engineering from U.S. Naval Postgraduate School and his Ph.D. in electrical engineering/applied mathematics from Polytechnic University. He w

Changing threat requirements and radical budget shifts imply that Navy operational needs will broaden and engineering solutions will face tougher constraints. Existing and emerging technology promise increased combat capability in smaller packages;space-based assets will allow operator orchestration of widely dispersed naval units via connectivity attributes previously unavailable. Tactical data relay by downlink may permit reallocation of responsibilities among several platforms, space, air, or seaborne, so ships can be outfitted for custom-use (sensing, unique data processing, high-firepower) and optimized to meet specific mission needs. These evolving capabilities demand a fresh look at ship concepts and prospective force structures consistent with global and fiscal realities. Warfighting performance formerly unknown in small ship design may offer a very effective solution to the intricate, interacting issues of falling defense budgets, diverse operational requirements and complex national priorities. Multimission ships which take advantage of new or current technology to reduce ship size, manning and cost could be affordable in sufficient numbers to meet our continuing worldwide obligations, complement our larger ships' force structure, and produce a balanced fleet. These same ships could satisfy U.S. maritime needs beyond the Navy and improve export trade through foreign military sales (FMS).

关键词： Naval Warfare

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ROLE OF SIMULATION IN RAPID PROTOTYPING FOR CONCEPT DEVELOPMENT

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NAVAL ENGINEERS JOURNAL 1991年第3期103卷 204-211页

作者： KING, JF BARTON, DE J. Fred King:is the manager of the Advanced Technology Department for Unisys in Reston Virginia. He earned his Ph.D. in mathematics from the University of Houston in 1977. He has been principal investigator of research projects in knowledge engineering pattern recognition and heuristic problem-solving. Efforts include the development of a multi-temporal multispectral classifier for identifying graincrops using LANDSAT satellite imagery data for NASA. Also as a member of the research team for a NCI study with Baylor College of Medicine and NASA he helped develop techniques for detection of carcinoma using multispectral microphotometer scans of lung tissue. He established and became technical director of the AI Laboratory for Ford Aerospace where he developed expert scheduling modeling and knowledge acquisition systems for NASA. Since joining Unisys in 1985 he has led the development of object-oriented programming environments blackboard architectures data fusion techniques using neural networks and intelligent data base systems. Douglas E. Barton:is manager of Logistics Information Systems for Unisys in Reston Virginia. He earned his B.A. degree in computer science from the College of William and Mary in 1978 and did postgraduate work in London as a Drapers Company scholar. Since joining Unisys in 1981 his work has concentrated on program management and software engineering of large scale data base management systems and design and implementation of knowledge-based systems in planning and logistics. As chairman of the Logistics Data Subcommittee of the National Security Industrial Association (NSIA) he led an industry initiative which examined concepts in knowledge-based systems in military logistics. His responsibilities also include evaluation development and tailoring of software engineering standards and procedures for data base and knowledge-based systems. He is currently program manager of the Navigation Information Management System which provides support to the Fleet Ballistic Missile Progr

A valuable technique during concept development is rapid prototyping of software for key design components. This approach is particularly useful when the optimum design approach is not readily apparent or several known alternatives need to be rapidly evaluated. A problem inherent in rapid prototyping is the lack of a "target system" with which to interface. Some alternatives are to develop test driver libraries, integrate the prototype with an existing working simulator, or build one for the specific problem. This paper presents a unique approach to concept development using rapid prototyping for concept development and scenario-based simulation for concept verification. The rapid prototyping environment, derived from artificial intelligence technology, is based on a blackboard architecture. The rapid prototype simulation capability is provided through an object-oriented modeling environment. It is shown how both simulation and blackboard technologies are used collectively to rapidly gain insight into a tenacious problem. A specific example will be discussed where this approach was used to evolve the logic of a mission controller for an autonomous underwater vehicle.

关键词： Military engineering

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Navy's chlorofluorocarbon/Halon program

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Naval Engineers Journal 1991年第3期103卷 107-117页

作者： Krinsky, Joel L. Noel, William Joel L. Krinskyholds a B.S. degree from the U.S. Merchant Marine Academy (1960) and an M.B.A. from the American University (1966). He is currently the director of The HVAC Submarine Life Support Division within NavSea. He formerly served as the deputy director of the Auxiliaries Division and head of the Air Compressor/Forced Draft Blowers and Valves and Piping Branches within the Auxiliaries Division. He has thirty years experience in the marine engineering and computer fields. He sailed for two years in the merchant marine and then began his career in the Bureau of Ships in 1962 as a project engineer in the Boiler and Heat Exchanger Branch. Mr. Krinsky then served as the systems acquisition manager for navigation systems on attack submarines and aircraft carriers. Mr. Krinsky entered private industry with IBM in 1967 spent eight years in the computer industry serving in various capacities and returned to NavSea in 1975. He served in the U.S. Navy Reserve from 1961 to 1967 and is a member of ASE ASNE and ASTM. Mr. Krinsky currently chairs the ASTM subcommittee for shipboard HVAC (F25.11.07) and is writing the heating ventilation air conditioning and refrigeration chapter of the revised SNAME text on Marine Engineering. William Noelgraduated from Drexel University in 1984 with a B.S. degree in mechanical engineering. He worked at the Naval Ship Systems Engineering Station in Philadelphia in the Air Compressor Branch where he directed improvements to compressed air ship silencing systems. In 1985 he was hired at the Naval Sea Systems Command and spent two years working in the Auxiliary Machinery Division where he was life cycle manager for various air compressors and compressed air system components. In 1989 he earned an M.S. degree in mechanical engineering from the University of Maryland specializing in multi-phase fluid flow and heat transfer phenomena. Since 1987 Mr. Noel has been the project engineer charged with developing replacement refrigerants and fire fighting agents in executing the Navy CFC/

The Naval Sea systems Command is executing a three-phase program to ensure compliance with national regulations, DoD policy, and Navy instructions mandating the phase-out of CFC and Halon use by the Navy. The Navy uses significant quantities of CFCs and Halon as solvents, refrigerants, and fire-fighting agents both in military operations and through specifications and contracts for weapons and support equipment. Phase one of the program plan will be to conserve chemicals through reclaiming and recycling, and by establishing and maintaining a chemical inventory of CFCs and Halons. Phase two will research, develop, and test substitute chemicals and alternative technologies for existing CFC uses. This research will be pursued through Navy and government laboratories, cooperation with chemical and equipment manufacturers, and by participation in government/industry consortiums. Finally, phase three will deploy the replacement chemicals and new technologies into the fleet, and institutionalize the conservation measures developed in phase one. This paper discusses in detail the three phases of the Navy program, and relates the Navy effort to DoD policy, the Montreal Protocol, and Congressional legislation. Unique Navy concerns, research initiatives, and vintaging scenarios for existing equipment are presented.

关键词： Freons

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MAGNETOHYDRODYNAMIC SUBMARINE PROPULSION systems

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NAVAL ENGINEERS JOURNAL 1991年第3期103卷 141-157页

作者： SWALLOM, DW SADOVNIK, I GIBBS, JS GUROL, H NGUYEN, LV VANDENBERGH, HH Daniel W. Swallomis the director of military power systems at Avco Research Laboratory Inc. a subsidiary of Textron Inc. in Everett Mass. Dr. Swallom received his B.S. M.S. and Ph.D. degrees in mechanical engineering from the University of Iowa Iowa City Iowa in 1969 1970 and 1972 respectively. He has authored numerous papers in the areas of power propulsion and plasma physics and currently is a member of the Aerospace Power Systems Technical Committee of the AIAA. Dr. Swallom has directed various programs for the development of advanced power generation systems lightweight power conditioning systems and advanced propulsion systems for marine applications. His previous experience includes work with Odin International Corporation Maxwell Laboratories Inc. Argonne National Laboratory and the Air Force Aero Propulsion Laboratory. Currently Dr. Swallom is directing the technical efforts to apply magnetohydrodynamic principles to a variety of propulsion and power applications for various marine vehicles and power system requirements respectively. Isaac Sadovnikis a principal research engineer in the Energy Technology Office at Avco Research Laboratory Inc. a subsidiary of Textron Inc. He received his B.S. in engineering (1974) B.S. in physics (1975) M.S. in aeronautics and astronautics (1976) and Ph.D. in physics of fluids (1981) at the Massachusetts Institute of Technology. Dr. Sadovnik has been involved in research work funded by DARPA concerning the use of magnetohydrodynamics for underwater propulsion. He has built theoretical models that predict the hydrodynamic behavior of seawater flow through magnetohydrodynamic ducts and their interaction with the rest of the vehicle (thrust and drag produced). In addition Dr. Sadovnik has been involved in research investigations geared toward the NASP program concerning the use of magnetohydrodynamic combustion-driven accelerator channels. Prior to joining Avco Dr. Sadovnik was a research assistant at MIT where he conducted experimental and

Magnetohydrodynamic propulsion systems for submarines offer several significant advantages over conventional propeller propulsion systems. These advantages include the potential for greater stealth characteristics, increased maneuverability, enhanced survivability, elimination of cavitation limits, greater payload capability, and the addition of a significant emergency propulsion system. These advantages can be obtained with a magnetohydrodynamic propulsion system that is neutrally bouyant and can operate with the existing submarine propulsion system power plant. A thorough investigation of magnetohydrodynamic propulsion systems for submarine applications has been completed. During the investigation, a number of geometric configurations were examined. Each of these configurations and mounting concepts was optimized for maximum performance for a generic attack class submarine. The optimization considered each thruster individually by determining the optimum operating characteristics for each one and accepting only those thrusters that result in a neutrally buoyant propulsion system. The results of this detailed optimization study show that the segmented, annular thruster is the concept with the highest performance levels and greatest efficiency and offers the greatest potential for a practical magnetohydrodynamic propulsion system for attack class submarines. The optimization study results were used to develop a specific point design for a segmented, annular magnetohydrodynamic thruster for an attack class submarine. The design point case has shown that this thruster may be able to provide the necessary thrust to propel an attack class submarine at the required velocity with the potential for a substantial acoustic signature reduction within the constraints of the existing submarine power plant and the maintenance of neutral buoyancy. This innovative magnetohydrodynamic propulsion system offers an approach for submarine propulsion that can be an important contributio

关键词： Ship Propulsion

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ADVANCED TECHNOLOGY IN NAVY LOGISTICS SUPPORT

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NAVAL ENGINEERS JOURNAL 1990年第3期102卷 111-118页

作者： HOUTS, RE The Author:is the director of the Advanced Logistics Technology Division in the Naval Supply Systems Command (NavSup) Engineering and Quality Directorate. He is responsible for managing Nav-Sup's lead role Navy-wide in the research and development of techniques processes and systems to improve Navy readiness and productivity. In this role his office serves as the Navy's Computer-aided Acquisition and Logistics Support (CALS) primary support office. Mr. Houts has more than 19 years of government service as a career logistics manager including a year-long assignment in OSD. Prior to being selected for the senior executive service in December 1985 and accepting his current position Mr. Houts spent 15 years at the Naval Air System Command. He has had extensive experience in logistics program initiation on major aircraft systems and in the development of contractual documents to implement logistics programs. He holds a B.S. degree in aerospace engineering from the University of Michigan and an M.S. degree in systems management from the University of Southern California.

In the face of present and foreseeable budget constraints which will severely restrict the amount of funding available to provide logistics support to the Navy's operating forces, the Naval Supply systems Command's Advanced Logistics Technology Division is actively pursuing a number of efforts to apply current and emerging technology to improve logistics systems and methodologies. The engineering Data Management Information and Control System (EDMICS) program will automate the technical information process from initial acquisition through delivery to the end user, addressing the inability of current paper-based systems to cope with the tidal wave of information requirements for the effective management of weapon and logistics systems. Rapid Acquisition of Manufactured Parts (RAMP) program is applying computer integrated manufacturing (CIM) technology to the production of spare parts which are normally available only at great cost and with extensive lead time. The Standard Hardware Acquisition and Reliability program (SHARP) will standardize electronic system hardware (i.e., modules, power supplies, enclosures and batteries) to decrease development and logistics costs, while providing dramatic increases in component and system reliability. The Integrated Diagnostic Support System (IDSS) project is integrating diagnostic design into the weapon system development process to enhance the ability of the organizational level technician to detect and isolate system/equipment failures. This paper discusses each of these ongoing projects as well as a number of new initiatives being explored for future funding.

关键词： Military engineering

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