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The Resource Dynamics and Vibration Analyses of Gearbox in Wind Turbine

Dynamics and Vibration Analyses of Gearbox in Wind Turbine

Label
Dynamics and Vibration Analyses of Gearbox in Wind Turbine
Title
Dynamics and Vibration Analyses of Gearbox in Wind Turbine
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Contributor
Subject
Language
eng
Cataloging source
MiAaPQ
Literary form
non fiction
Nature of contents
dictionaries
Dynamics and Vibration Analyses of Gearbox in Wind Turbine
Label
Dynamics and Vibration Analyses of Gearbox in Wind Turbine
Link
http://libproxy.rpi.edu/login?url=https://ebookcentral.proquest.com/lib/rpi/detail.action?docID=4699673
Publication
Copyright
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Related Location
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Carrier category
online resource
Carrier category code
cr
Carrier MARC source
rdacarrier
Color
multicolored
Content category
text
Content type code
txt
Content type MARC source
rdacontent
Contents
  • Acknowledgments -- Contents -- Abstract -- 1 Introduction -- 1.1 Requirement of Wind Turbine Gearbox -- 1.2 Dynamics of Gearbox -- 1.3 Structure Description of Gearbox in Wind Turbine -- 1.4 Modeling Methods for Dynamic and Vibration Analyses -- 1.5 Shaft Misalignment in Gearbox -- 1.6 Measurement and Analysis of Gearbox Vibration -- 1.7 Works in This Book -- References -- 2 Torsional Dynamics of Gear-Rotor System in Wind Turbine Gearbox -- 2.1 Lumped Mass Model for Torsional Dynamics -- 2.1.1 Mechanical Schematic -- 2.1.2 Definition of DOFs -- 2.1.3 Mesh Stiffness Excitation -- 2.1.4 Transmission Error Excitation -- 2.1.5 Mesh Damping in the Planetary Train -- 2.1.6 Governing Equations -- 2.2 Torsional Dynamics of the Gearbox -- 2.3 Load Factors of Gear-Rotor System in Gearbox -- 2.3.1 Analysis of System Excitation and Damping -- 2.3.2 Load Factors of Gear-Rotor System -- 2.4 Load-Sharing Coefficients Based on Torsional Dynamics -- 2.4.1 Calculation of Load-Sharing Coefficients -- 2.4.2 Load-Sharing Structure Design -- 2.4.3 Load-Sharing Performance Effected by the Errors -- 2.5 Experimental Test of Load Balances in Gearbox -- References -- 3 Parameter Optimization for Planetary Gear System Based on Torsional Dynamics -- 3.1 Design Variables and Objective Function -- 3.2 The Constraint Function -- 3.3 Parameter Optimization for High-Speed Transmission System with Parallel Axes -- 3.4 Distribution of Reliability -- 3.5 Example and Analysis -- References -- 4 Influence of Unbalance and Misalignment on Load-Sharing Coefficient of Gear-Rotor System Based on Torsional Dynamics -- 4.1 Modeling Method for Dynamic Analysis of Gear-Rotor System -- 4.1.1 Shaft Element -- 4.1.2 Lumped Mass Element -- 4.1.3 Bearing Element -- 4.1.4 Gear Meshing Element -- 4.1.5 Basic Principles and Dynamics Model -- 4.2 Load-Sharing Coefficient Analyses
  • 4.2.1 Load-Sharing Coefficient of Planetary Gear Trains -- 4.2.2 Influence of Unbalance on Load-Sharing Coefficient -- 4.2.3 Influence of Misalignment on Load-Sharing Coefficient -- References -- 5 Modal Analyses Based on Whole Gearbox FE Model in Wind Turbine -- 5.1 FE Model of Transmission Chain System in Wind Turbine -- 5.2 Whole Gearbox FE Model (WG-FEM) of Wind Turbine -- 5.3 Modal Analysis of the Gearbox -- References -- 6 Vibration Measurements of Wind Turbine Gearbox -- 6.1 Bench Tests -- 6.2 Operating Modal Tests -- 6.3 Vibrations of On-site Tests -- 6.4 Fault Diagnoses for Wind Turbine Gearbox Based on Vibration Measurements -- References -- 7 Vibration Signal Analyses of Gearbox in Time-Domain, Frequency-Domain, and Time-Frequency Domain -- 7.1 Structure Description and Measuring Method -- 7.2 Vibration Measurements of Wind Turbine Gearbox -- 7.3 Analysis of Vibration Signals of Gearbox Based on Time Domain -- 7.4 Cross-Correlation Function Estimates of Vibration Signals -- 7.5 Spectra Analysis of Vibration Signals of the Wind Turbine Gearbox -- 7.6 Phase Analysis of Vibration Signals of Wind Turbine Gearbox -- 7.6.1 Phase Analysis Based on Analytic Signal Theory with Hilbert Transform -- 7.6.2 Results of Phase Analysis of Vibration Signals of Wind Turbine Gearbox -- 7.7 Hilbert-Huang Transform Analysis of Vibration Signals of Wind Turbine Gearbox -- 7.7.1 Basic Principle of Hilbert-Huang Transform Technique -- 7.7.2 HHT Analysis of Vibrations of Wind Turbine Gearbox -- References -- 8 Conclusions -- Appendix A: Codes of Factor KA -- A.1 Main_Program.m -- A.2 Subprogram.m -- A.3 plantary_carrier_Stiffness.m -- A.4 Excitation.m -- Appendix B: Codes of Time-frequency Analysis of Vibration Signals -- B.1 time domain waveform.m -- B.2 fft.m -- B.3 main_3D_FFT.m -- Appendix C Codes of Hilbert-Huang Transform Analysis of Vibration Signals
  • emd.m -- C.1 hhspectrum.m -- C.2 toimage.m -- C.3 disp_hhs.m
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{'f': 'http://opac.lib.rpi.edu/record=b4386172'}
Extent
1 online resource (168 pages)
Form of item
online
Isbn
9789811027475
Media category
computer
Media MARC source
rdamedia
Media type code
c
Sound
unknown sound
Specific material designation
remote

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