Transmission Bearing Damage Detection Using Decision Fusion Analysis

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Transmission Bearing Damage Detection Using Decision Fusion Analysis

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Author : National Aeronautics and Space Adm Nasa
Publisher : Independently Published
ISBN 13 : 9781724137654
Total Pages : 28 pages
Book Rating : 4.1/5 (376 download)

Book Synopsis Transmission Bearing Damage Detection Using Decision Fusion Analysis by : National Aeronautics and Space Adm Nasa

Download or read book Transmission Bearing Damage Detection Using Decision Fusion Analysis written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-09-28 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: A diagnostic tool was developed for detecting fatigue damage to rolling element bearings in an OH-58 main rotor transmission. Two different monitoring technologies, oil debris analysis and vibration, were integrated using data fusion into a health monitoring system for detecting bearing surface fatigue pitting damage. This integrated system showed improved detection and decision-making capabilities as compared to using individual monitoring technologies. This diagnostic tool was evaluated by collecting vibration and oil debris data from tests performed in the NASA Glenn 500 hp Helicopter Transmission Test Stand. Data was collected during experiments performed in this test rig when two unanticipated bearing failures occurred. Results show that combining the vibration and oil debris measurement technologies improves the detection of pitting damage on spiral bevel gears duplex ball bearings and spiral bevel pinion triplex ball bearings in a main rotor transmission. Dempsey, Paula J. and Lewicki, David G. and Decker, Harry J. Glenn Research Center NASA/TM-2004-213382, ARL-TR-3328, E-14890...

Transmission Bearing Damage Detection Using Decision Fusion Analysis

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Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781721680252
Total Pages : 26 pages
Book Rating : 4.6/5 (82 download)

Book Synopsis Transmission Bearing Damage Detection Using Decision Fusion Analysis by : National Aeronautics and Space Administration (NASA)

Download or read book Transmission Bearing Damage Detection Using Decision Fusion Analysis written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-21 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: A diagnostic tool was developed for detecting fatigue damage to rolling element bearings in an OH-58 main rotor transmission. Two different monitoring technologies, oil debris analysis and vibration, were integrated using data fusion into a health monitoring system for detecting bearing surface fatigue pitting damage. This integrated system showed improved detection and decision-making capabilities as compared to using individual monitoring technologies. This diagnostic tool was evaluated by collecting vibration and oil debris data from tests performed in the NASA Glenn 500 hp Helicopter Transmission Test Stand. Data was collected during experiments performed in this test rig when two unanticipated bearing failures occurred. Results show that combining the vibration and oil debris measurement technologies improves the detection of pitting damage on spiral bevel gears duplex ball bearings and spiral bevel pinion triplex ball bearings in a main rotor transmission. Dempsey, Paula J. and Lewicki, David G. and Decker, Harry J. Glenn Research Center NASA/TM-2004-213382, ARL-TR-3328, E-14890

Prognostics and Health Management of Electronics

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Author : Michael G. Pecht
Publisher : John Wiley & Sons
ISBN 13 : 0470385839
Total Pages : 335 pages
Book Rating : 4.4/5 (73 download)

Book Synopsis Prognostics and Health Management of Electronics by : Michael G. Pecht

Download or read book Prognostics and Health Management of Electronics written by Michael G. Pecht and published by John Wiley & Sons. This book was released on 2008-09-11 with total page 335 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first book on Prognostics and Health Management of Electronics Recently, the field of prognostics for electronic products has received increased attention due to the potential to provide early warning of system failures, forecast maintenance as needed, and reduce life cycle costs. In response to the subject's growing interest among industry, government, and academic professionals, this book provides a road map to the current challenges and opportunities for research and development in Prognostics and Health Management (PHM). The book begins with a review of PHM and the techniques being developed to enable a prognostics approach for electronic products and systems. building on this foundation, the book then presents the state of the art in sensor systems for in-situ health and usage monitoring. Next, it discusses the various models and algorithms that can be utilized in PHM. Finally, it concludes with a discussion of the opportunities in future research. Readers can use the information in this book to: Detect and isolate faults Reduce the occurrence of No Fault Found (NFF) Provide advanced warning of system failures Enable condition-based (predictive) maintenance Obtain knowledge of load history for future design, qualification, and root cause analysis Increase system availability through an extension of maintenance cycles and/or timely repair actions Subtract life cycle costs of equipment from reduction in inspection costs, down time, and inventory Prognostics and Health Management of Electronics is an indispensable reference for electrical engineers in manufacturing, systems maintenance, and management, as well as design engineers in all areas of electronics.

System Health Management

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Author : Stephen B. Johnson
Publisher : John Wiley & Sons
ISBN 13 : 1119998735
Total Pages : 659 pages
Book Rating : 4.1/5 (199 download)

Book Synopsis System Health Management by : Stephen B. Johnson

Download or read book System Health Management written by Stephen B. Johnson and published by John Wiley & Sons. This book was released on 2011-06-01 with total page 659 pages. Available in PDF, EPUB and Kindle. Book excerpt: System Health Management: with Aerospace Applications provides the first complete reference text for System Health Management (SHM), the set of technologies and processes used to improve system dependability. Edited by a team of engineers and consultants with SHM design, development, and research experience from NASA, industry, and academia, each heading up sections in their own areas of expertise and co-coordinating contributions from leading experts, the book collates together in one text the state-of-the-art in SHM research, technology, and applications. It has been written primarily as a reference text for practitioners, for those in related disciplines, and for graduate students in aerospace or systems engineering. There are many technologies involved in SHM and no single person can be an expert in all aspects of the discipline.System Health Management: with Aerospace Applications provides an introduction to the major technologies, issues, and references in these disparate but related SHM areas. Since SHM has evolved most rapidly in aerospace, the various applications described in this book are taken primarily from the aerospace industry. However, the theories, techniques, and technologies discussed are applicable to many engineering disciplines and application areas. Readers will find sections on the basic theories and concepts of SHM, how it is applied in the system life cycle (architecture, design, verification and validation, etc.), the most important methods used (reliability, quality assurance, diagnostics, prognostics, etc.), and how SHM is applied in operations (commercial aircraft, launch operations, logistics, etc.), to subsystems (electrical power, structures, flight controls, etc.) and to system applications (robotic spacecraft, tactical missiles, rotorcraft, etc.).

Deep Learning Applications, Volume 2

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Author : M. Arif Wani
Publisher : Springer
ISBN 13 : 9789811567582
Total Pages : 300 pages
Book Rating : 4.5/5 (675 download)

Book Synopsis Deep Learning Applications, Volume 2 by : M. Arif Wani

Download or read book Deep Learning Applications, Volume 2 written by M. Arif Wani and published by Springer. This book was released on 2020-12-14 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents selected papers from the 18th IEEE International Conference on Machine Learning and Applications (IEEE ICMLA 2019). It focuses on deep learning networks and their application in domains such as healthcare, security and threat detection, fault diagnosis and accident analysis, and robotic control in industrial environments, and highlights novel ways of using deep neural networks to solve real-world problems. Also offering insights into deep learning architectures and algorithms, it is an essential reference guide for academic researchers, professionals, software engineers in industry, and innovative product developers.

Metals Abstracts

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Author :
Publisher :
ISBN 13 :
Total Pages : 1014 pages
Book Rating : 4.E/5 ( download)

Book Synopsis Metals Abstracts by :

Download or read book Metals Abstracts written by and published by . This book was released on 1999 with total page 1014 pages. Available in PDF, EPUB and Kindle. Book excerpt:

International Aerospace Abstracts

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Author :
Publisher :
ISBN 13 :
Total Pages : 1032 pages
Book Rating : 4.F/5 ( download)

Book Synopsis International Aerospace Abstracts by :

Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 1032 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

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Author :
Publisher :
ISBN 13 :
Total Pages : 704 pages
Book Rating : 4.:/5 (31 download)

Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Systems and Computer Technology

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Author : Yunfei Chen
Publisher : CRC Press
ISBN 13 : 1315651491
Total Pages : 226 pages
Book Rating : 4.3/5 (156 download)

Book Synopsis Systems and Computer Technology by : Yunfei Chen

Download or read book Systems and Computer Technology written by Yunfei Chen and published by CRC Press. This book was released on 2015-09-17 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume consists of papers presented at the 2014 International Symposium on Systems and Computer Technology (ISSCT 2014, Shanghai, China, 15-17 November 2014). The demand for systems and informatics have been constantly increasing, as more and more computer applications have been built. Great efforts have been made to improve the state of the a

Adapted Wavelet Analysis

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Author : Mladen Victor Wickerhauser
Publisher : CRC Press
ISBN 13 : 143986361X
Total Pages : 499 pages
Book Rating : 4.4/5 (398 download)

Book Synopsis Adapted Wavelet Analysis by : Mladen Victor Wickerhauser

Download or read book Adapted Wavelet Analysis written by Mladen Victor Wickerhauser and published by CRC Press. This book was released on 1996-04-17 with total page 499 pages. Available in PDF, EPUB and Kindle. Book excerpt: This detail-oriented text is intended for engineers and applied mathematicians who must write computer programs to perform wavelet and related analysis on real data. It contains an overview of mathematical prerequisites and proceeds to describe hands-on programming techniques to implement special programs for signal analysis and other applications.

Advances in Smart Grid Technology

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Author : Ning Zhou
Publisher : Springer Nature
ISBN 13 : 9811572410
Total Pages : 545 pages
Book Rating : 4.8/5 (115 download)

Book Synopsis Advances in Smart Grid Technology by : Ning Zhou

Download or read book Advances in Smart Grid Technology written by Ning Zhou and published by Springer Nature. This book was released on 2020-09-18 with total page 545 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises the select proceedings of the International Conference on Power Engineering Computing and Control (PECCON) 2019. This volume covers several important topics such as optimal data selection and error-free data acquiring via artificial intelligence and machine learning techniques, information and communication technologies for monitoring and control of smart grid components, and data security in smart grid network. In addition, it also focuses on economics of renewable electricity generation, policies for distributed generation, smart eco-structures and systems. This book can be useful for beginners, researchers as well as professionals interested in the area of smart grid technology.

Proceedings of the ... ASME Design Engineering Technical Conferences

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Author :
Publisher :
ISBN 13 :
Total Pages : 584 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Proceedings of the ... ASME Design Engineering Technical Conferences by :

Download or read book Proceedings of the ... ASME Design Engineering Technical Conferences written by and published by . This book was released on 2003 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Systematic Analysis of Gear Failures

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Author : Lester E. Alban
Publisher : ASM International
ISBN 13 : 9781615031771
Total Pages : 252 pages
Book Rating : 4.0/5 (317 download)

Book Synopsis Systematic Analysis of Gear Failures by : Lester E. Alban

Download or read book Systematic Analysis of Gear Failures written by Lester E. Alban and published by ASM International. This book was released on 1985-01-01 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explores the detailed steps necessary to determine the causes of failure. First, the physical characteristics of a gear are studied: where the stress points are, from what directions the forces are applied, where the movement of material progresses, and where strain patterns exist. Second, all external conditions and forces are considered. With this background information, a systematic examination is described from beginning to end, the end being a conclusion about the mode and cause of failure.

Science Abstracts

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Author :
Publisher :
ISBN 13 :
Total Pages : 980 pages
Book Rating : 4.3/5 (243 download)

Book Synopsis Science Abstracts by :

Download or read book Science Abstracts written by and published by . This book was released on 1993 with total page 980 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mechanical Fault Diagnosis and condition monitoring

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Author : R. Collacott
Publisher : Springer Science & Business Media
ISBN 13 : 9400957238
Total Pages : 505 pages
Book Rating : 4.4/5 (9 download)

Book Synopsis Mechanical Fault Diagnosis and condition monitoring by : R. Collacott

Download or read book Mechanical Fault Diagnosis and condition monitoring written by R. Collacott and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 505 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although the most sophisticated fault diagnosis and condition monitoring systems have their origin in the aerospace and nuclear energy industries, their use is by no means restricted to such areas of 'high technology'. Modern machinery in most industrial plants is now so complex and expensive that mechanics find it increas ingly difficult to detect failure by, for instance, recognising changes in sound 'signatures', and few plants can afford the luxury of regular 'stripping down'. Increasingly, therefore, eady-warning devices are being employed in an effort to prevent catastrophic breakdown. This book provides the first co-ordinated compilation of fault diagnosis and con dition monitoring devices. It proceeds in three logical steps. The eady chapters deal with those conditions which contribute to deterioration and the consequent likely development of faults. The middle part of the book considers the various tech niques of monitoring and discusses the criteria for their selection in different situ ations. The final chapters provide a guide to the interpretation of the information signals deriving from monitoring, relating to reliability science and the mathematics of probability, and thus providing decision data on which management can act.

Crack Detection for Aerospace Quality Spur Gears

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Author :
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (317 download)

Book Synopsis Crack Detection for Aerospace Quality Spur Gears by :

Download or read book Crack Detection for Aerospace Quality Spur Gears written by and published by . This book was released on 2002 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Health and Usage Monitoring System research and development involves analysis of the vibration signals produced by a gearbox throughout its life. There are two major advantages of knowing the actual lifetime of a gearbox component: safety and cost. In this report, a technique is proposed to help extract the critical data and present it in a manner that can be easy to understand. The key feature of the technique is to make it independent of speed, torque and prior history for localized, single tooth damage such as gear cracks. This extraction technique is demonstrated on two sets of digitized vibration data from cracked spur gears. Standard vibration diagnostic parameters are calculated and presented for comparison. Several new detection algorithms are also presented. The results of this study indicate that crack detection methods examined are not robust or repeatable. The proposed techniques provide a limited improvement to existing diagnostic parameters. Current techniques show that the cracks progressed at a much faster rate than anticipated which reduced available time for detection.

Technical Abstract Bulletin

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Author :
Publisher :
ISBN 13 :
Total Pages : 216 pages
Book Rating : 4.E/5 ( download)

Book Synopsis Technical Abstract Bulletin by :

Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1981 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: