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Implementing The High Frequency Resonance Technique For The Vibration Monitoring Of Rolling Element Bearings
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Book Synopsis Implementing the High-frequency Resonance Technique for the Vibration Monitoring of Rolling Element Bearings by : P. D. McFadden
Download or read book Implementing the High-frequency Resonance Technique for the Vibration Monitoring of Rolling Element Bearings written by P. D. McFadden and published by . This book was released on 1983 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Vibration Monitoring of Rolling Element Bearings by the High-frequency Resonance Technique by : P. D. McFadden
Download or read book Vibration Monitoring of Rolling Element Bearings by the High-frequency Resonance Technique written by P. D. McFadden and published by . This book was released on 1983 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Condition Monitoring of Rolling Element Bearings by the High Frequency Resonance Technique by : Mohsen M. Alwa
Download or read book Condition Monitoring of Rolling Element Bearings by the High Frequency Resonance Technique written by Mohsen M. Alwa and published by . This book was released on 2006 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Shock and Vibration Digest written by and published by . This book was released on 1983 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Complex Demodulation for Bearing Fault Detection by : I. M. Howard
Download or read book Complex Demodulation for Bearing Fault Detection written by I. M. Howard and published by . This book was released on 1989 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vibration analysis using the high frequency resonance technique has been used successfully to detect incipient failure in rolling element bearings. This memo outlines a new method of obtaining the demodulated narrow band envelope of a bearing vibration signal from the high frequency resonant response. Previous techniques have used an analogue envelope where the raw analogue signal is bandpass filtered and enveloped before digitising. The method outlined in this document first digitises the vibration signal, performs a complex demodulation operation, then computes the envelope followed by its spectrum. Fault repetition frequencies can be identified in the demodulated spectrum of the high frequency resonant response. Keywords: Vibration tests; Demodulation; Bearing stress; Resonant frequency; Australia. (jhd).
Book Synopsis Condition Monitoring of Rolling Element Bearings by : Atul Andhare
Download or read book Condition Monitoring of Rolling Element Bearings written by Atul Andhare and published by LAP Lambert Academic Publishing. This book was released on 2010-05 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rolling bearings are the most important machine elements. Proper functioning of a machine depends on condition of bearings. Vibrations help in diagnosing various faults in machines. Therefore, vibration based condition monitoring is the most popular method to know health of any machine. However, as found from the literature, vibration monitoring and diagnostics of faults in tapered roller bearing is not well established. This book is therefore focused on vibration based condition monitoring of tapered roller bearings. It presents results of experiments performed towards diagnosis of defects in tapered roller bearings using vibration analysis. The bearing vibration data are analyzed using various time and frequency domain techniques. The results for defect-free and defective bearings are compared to get information for defect diagnosis. A MATLAB based computer interface, which was developed for vibration signal processing and diagnostics, is also discussed in the book. This interface made use of all the time and frequency domain vibration data to diagnose defects in bearings. This book will be useful for the practicing engineers and students working on condition monitoring.
Download or read book The Shock and Vibration Digest written by and published by . This book was released on 2003 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rolling Element Bearing Condition Monitoring Using High Frequency Resonances by : Edwin Dormer
Download or read book Rolling Element Bearing Condition Monitoring Using High Frequency Resonances written by Edwin Dormer and published by . This book was released on 1988 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Non-parametric and Non-filtering Methods for Rolling Element Bearing Condition Monitoring by : Hamid Faghidi
Download or read book Non-parametric and Non-filtering Methods for Rolling Element Bearing Condition Monitoring written by Hamid Faghidi and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Rolling element bearings are one of the most significant elements and frequently-used components in mechanical systems. Bearing fault detection and diagnosis is important for preventing productivity loss and averting catastrophic failures of mechanical systems. In industrial applications, bearing life is often difficult to predict due to different application conditions, load and speed variations, as well as maintenance practices. Therefore, reliable fault detection is necessary to ensure productive and safe operations. Vibration analysis is the most widely used method for detection and diagnosis of bearing malfunctions. A measured vibration signal from a sensor is often contaminated by noise and vibration interference components. Over the years, many methods have been developed to reveal fault signatures, and remove noise and vibration interference components. Though many vibration based methods have been proposed in the literature, the high frequency resonance (HFR) technique is one of a very few methods have received certain industrial acceptance. However, the effectiveness of the HFR methods depends, to a great extent, on some parameters such as bandwidth and centre frequency of the fault excited resonance, and window length. Proper selection these parameters is often a knowledge-demanding and time-consuming process. In particular, the filter designed based on the improperly selected bandwidth and center frequency of the fault excited resonance can filter out the true fault information and mislead the detection/diagnosis decisions. In addition, even if these parameters can be selected properly at beginning of each process, they may become invalid in a time-varying environment after a certain period of time. Hence, they may have to be re-calculated and updated, which is again a time-consuming and error-prone process. This undermines the practical significance of the above methods for online monitoring of bearing conditions. To overcome the shortcomings of existing methods, the following four non-parametric and non-filtering methods are proposed: 1. An amplitude demodulation differentiation (ADD) method, 2. A calculus enhanced energy operator (CEEO) method, 3. A higher order analytic energy operator (HO_AEO) approach, and 4. A higher order energy operator fusion (HOEO_F) technique. The proposed methods have been evaluated using both simulated and experimental data.
Book Synopsis Implementation of the Signal Averaging Technique for the Vibration Monitoring of Rolling Element Bearings by : Mohammad Mehdi Toozhy
Download or read book Implementation of the Signal Averaging Technique for the Vibration Monitoring of Rolling Element Bearings written by Mohammad Mehdi Toozhy and published by . This book was released on 1999 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :IMechE (Institution of Mechanical Engineers) Publisher :John Wiley & Sons ISBN 13 :9781860584473 Total Pages :750 pages Book Rating :4.5/5 (844 download)
Book Synopsis Vibrations in Rotating Machinery by : IMechE (Institution of Mechanical Engineers)
Download or read book Vibrations in Rotating Machinery written by IMechE (Institution of Mechanical Engineers) and published by John Wiley & Sons. This book was released on 2004-10-22 with total page 750 pages. Available in PDF, EPUB and Kindle. Book excerpt: This essential text contains the papers from the 8th international IMechE conference on Vibrations in Rotating Machinery held at the University of Wales, Swansea in September 2004. The themes of the volume are new developments and industrial applications of current technology relevant to the vibration and noise of rotating machines and assemblies. TOPICS INCLUDE Rotor balancing – including active and automatic balancing Special rotating machines – including micromachines Oil film bearings and dampers Active control methods for rotating machines Smart machine technology Dynamics of assembled rotors Component life predictions and life extension strategies The dynamics of geared systems Cracked rotors – detection, location ad prognosis Chaotic behaviour in machines Experimental methods and discoveries.
Book Synopsis A Model for the Extraction of Periodic Waveforms by Time Domain Averaging by : P. D. McFadden
Download or read book A Model for the Extraction of Periodic Waveforms by Time Domain Averaging written by P. D. McFadden and published by . This book was released on 1986 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is shown that the existing comb filter model of time domain averaging does not correctly describe the extraction of periodic waveforms from additive noise using a digital computer because it assumes a knowledge of the signal over an infinite time and the result it produces is not exactly periodic. A revised model is presented which requires only a finite number of samples and which produces a result which is periodic. It is demonstrated that the rejection of periodic noise of a known frequency can be optimized by the selection of a suitable number of averages.
Book Synopsis Vibration-based Condition Monitoring by : Robert Bond Randall
Download or read book Vibration-based Condition Monitoring written by Robert Bond Randall and published by John Wiley & Sons. This book was released on 2011-03-25 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Without doubt the best modern and up-to-date text on the topic, wirtten by one of the world leading experts in the field. Should be on the desk of any practitioner or researcher involved in the field of Machine Condition Monitoring" Simon Braun, Israel Institute of Technology Explaining complex ideas in an easy to understand way, Vibration-based Condition Monitoring provides a comprehensive survey of the application of vibration analysis to the condition monitoring of machines. Reflecting the natural progression of these systems by presenting the fundamental material and then moving onto detection, diagnosis and prognosis, Randall presents classic and state-of-the-art research results that cover vibration signals from rotating and reciprocating machines; basic signal processing techniques; fault detection; diagnostic techniques, and prognostics. Developed out of notes for a course in machine condition monitoring given by Robert Bond Randall over ten years at the University of New South Wales, Vibration-based Condition Monitoring: Industrial, Aerospace and Automotive Applications is essential reading for graduate and postgraduate students/ researchers in machine condition monitoring and diagnostics as well as condition monitoring practitioners and machine manufacturers who want to include a machine monitoring service with their product. Includes a number of exercises for each chapter, many based on Matlab, to illustrate basic points as well as to facilitate the use of the book as a textbook for courses in the topic. Accompanied by a website www.wiley.com/go/randall housing exercises along with data sets and implementation code in Matlab for some of the methods as well as other pedagogical aids. Authored by an internationally recognised authority in the area of condition monitoring.
Download or read book Wavelets written by Robert X Gao and published by Springer Science & Business Media. This book was released on 2010-12-07 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wavelets: Theory and Applications for Manufacturing presents a systematic description of the fundamentals of wavelet transform and its applications. Given the widespread utilization of rotating machines in modern manufacturing and the increasing need for condition-based, as opposed to fix-interval, intelligent maintenance to minimize machine down time and ensure reliable production, it is of critical importance to advance the science base of signal processing in manufacturing. This volume also deals with condition monitoring and health diagnosis of rotating machine components and systems, such as bearings, spindles, and gearboxes, while also: -Providing a comprehensive survey on wavelets specifically related to problems encountered in manufacturing -Discussing the integration of wavelet transforms with other soft computing techniques such as fuzzy logic, for machine defect and severity classification -Showing how to custom design wavelets for improved performance in signal analysis Focusing on wavelet transform as a tool specifically applied and designed for applications in manufacturing, Wavelets: Theory and Applications for Manufacturing presents material appropriate for both academic researchers and practicing engineers working in the field of manufacturing.
Book Synopsis Vibration Monitoring of Induction Motors by : William T. Thomson
Download or read book Vibration Monitoring of Induction Motors written by William T. Thomson and published by Cambridge University Press. This book was released on 2020-12-03 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt: Master the art of vibration monitoring of induction motors with this unique guide to on-line condition assessment and fault diagnosis, building on the author's fifty years of investigative expertise. It includes: *Robust techniques for diagnosing of a wide range of common faults, including shaft misalignment and/or soft foot, rolling element bearing faults, sleeve bearing faults, magnetic and vibrational issues, resonance in vertical motor drives, and vibration and acoustic noise from inverters. *Detailed technical coverage of thirty real-world industrial case studies, from initial vibration spectrum analysis through to fault diagnosis and final strip-down. *An introduction to real-world vibration spectrum analysis for fault diagnosis, and practical guidelines to reduce bearing failure through effective grease management. This definitive book is essential reading for industrial end-users, engineers, and technicians working in motor design, manufacturing, and condition monitoring. It will also be of interest to researchers and graduate students working on condition monitoring.
Book Synopsis Vibration Engineering and Technology of Machinery by : Jyoti K. Sinha
Download or read book Vibration Engineering and Technology of Machinery written by Jyoti K. Sinha and published by Springer. This book was released on 2014-08-14 with total page 1110 pages. Available in PDF, EPUB and Kindle. Book excerpt: The VETOMAC-X Conference covered a holistic plethora of relevant topics in vibration and engineering technology including condition monitoring, machinery and structural dynamics, rotor dynamics, experimental techniques, finite element model updating, industrial case studies, vibration control and energy harvesting, and signal processing. These proceedings contain not only all of the nearly one-hundred peer-reviewed presentations from authors representing more than twenty countries, but also include six invited lectures from renowned experts: Professor K. Gupta, Mr W. Hahn, Professor A.W. Lees, Professor John Mottershead, Professor J.S. Rao, and Dr P. Russhard. This work is of interest to researchers and practitioners alike, and is an essential book for most of libraries of higher academic institutes.
Book Synopsis Handbook of Research on Manufacturing Process Modeling and Optimization Strategies by : Das, Raja
Download or read book Handbook of Research on Manufacturing Process Modeling and Optimization Strategies written by Das, Raja and published by IGI Global. This book was released on 2017-03-10 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent improvements in business process strategies have allowed more opportunities to attain greater developmental performances. This has led to higher success in day-to-day production and overall competitive advantage. The Handbook of Research on Manufacturing Process Modeling and Optimization Strategies is a pivotal reference source for the latest research on the various manufacturing methodologies and highlights the best optimization approaches to achieve boosted process performance. Featuring extensive coverage on relevant areas such as genetic algorithms, fuzzy set theory, and soft computing techniques, this publication is an ideal resource for researchers, practitioners, academicians, designers, manufacturing engineers, and institutions involved in design and manufacturing projects.
