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Noise and Vibration Analysis is a complete and practical guide that combines both signal processing and modal analysis theory with their practical application in noise and vibration analysis. It provides an invaluable, integrated guide for practicing engineers as well as a suitable introduction for students new to the topic of noise and vibration. Taking a practical learning approach, Brandt includes exercises that allow the content to be developed in an academic course framework or as supplementary material for private and further study. Addresses the theory and application of signal analysis procedures as they are applied in modern instruments and software for noise and vibration analysis Features numerous line diagrams and illustrations * Accompanied by a web site at href="http://www.wiley.com/go/brandt">www.wiley.com/go/brandt with numerous MATLAB tools and examples. Noise and Vibration Analysis provides an excellent resource for researchers and engineers from automotive, aerospace, mechanical, or electronics industries who work with experimental or analytical vibration analysis and/or acoustics. It will also appeal to graduate students enrolled in vibration analysis, experimental structural dynamics, or applied signal analysis courses.
Auteur
Anders Brandt is an independent consultant based in Sweden. He has 20 years of experience in noise and vibration analysis with universities and industry. Brandt received an MSc degree in Electrical Engineering from Chalmers University of Technology, Göteborg, Sweden, in 1986, and a Licentiate of Engineering Degree (Dr. Ing.) in Medical Electronics, from the same university in 1989. In 1996 Brandt was a co-founder of Axiom EduTech, a company offering education and software for vibration analysis worldwide. Brandt is a well-known and appreciated teacher of applied signal analysis and vibration analysis. He also has many years' experience with different commercial measurement systems for vibration analysis and modal analysis.
Résumé
Noise and Vibration Analysis is a complete and practical guide that combines both signal processing and modal analysis theory with their practical application in noise and vibration analysis. It provides an invaluable, integrated guide for practicing engineers as well as a suitable introduction for students new to the topic of noise and vibration. Taking a practical learning approach, Brandt includes exercises that allow the content to be developed in an academic course framework or as supplementary material for private and further study.
Contenu
About the Author.
Preface.
Acknowledgements.
List of Abbreviations.
Notation.
1 Introduction.
1.1 Noise and Vibration.
1.2 Noise and Vibration Analysis.
1.3 Application Areas.
1.4 Analysis of Noise and Vibrations.
1.5 Standards.
1.6 Becoming a Noise and Vibration Analysis Expert.
2 Dynamic Signals and Systems.
2.1 Introduction.
2.2 Periodic Signals.
2.3 Random Signals.
2.4 Transient Signals.
2.5 RMS Value and Power.
2.6 Linear Systems.
2.7 The Continuous Fourier Transform.
2.8 Chapter Summary.
2.9 Problems.
References.
3 Time Data Analysis.
3.1 Introduction to Discrete Signals.
3.2 The Sampling Theorem.
3.3 Filters.
3.4 Time Series Analysis.
3.5 Chapter Summary.
3.6 Problems.
References.
4 Statistics and Random Processes.
4.1 Introduction to the Use of Statistics.
4.2 Random Theory.
4.3 Statistical Methods.
4.4 Quality Assessment of Measured Signals.
4.5 Chapter Summary.
4.6 Problems.
References.
5 Fundamental Mechanics.
5.1 Newton's Laws.
5.2 The Single Degree-of-freedom System (SDOF).
5.3 Alternative Quantities for Describing Motion.
5.4 Frequency Response Plot Formats.
5.5 Determining Natural Frequency and Damping.
5.6 Rotating Mass.
5.7 Some Comments on Damping.
5.8 Models Based on SDOF Approximations.
5.9 The Two-degree-of-freedom System (2DOF).
5.10 The Tuned Damper.
5.11 Chapter Summary.
5.12 Problems.
References.
6 Modal Analysis Theory.
6.1 Waves on a String.
6.2 Matrix Formulations.
6.3 Eigenvalues and Eigenvectors.
6.4 Frequency Response of MDOF Systems.
6.5 Time Domain Simulation of Forced Response.
6.6 Chapter Summary.
6.7 Problems.
References.
7 Transducers for Noise and Vibration Analysis.
7.1 The Piezoelectric Effect.
7.2 The Charge Amplifier.
7.3 Transducers with Built-In Impedance Converters, 'IEPE'.
7.4 The Piezoelectric Accelerometer.
7.5 The Piezoelectric Force Transducer.
7.6 The Impedance Head.
7.7 The Impulse Hammer.
7.8 Accelerometer Calibration.
7.9 Measurement Microphones.
7.10 Microphone Calibration.
7.11 Shakers for Structure Excitation.
7.12 Some Comments on Measurement Procedures.
7.13 Problems.
References.
8 Frequency Analysis Theory.
8.1 Periodic Signals The Fourier Series.
8.2 Spectra of Periodic Signals.
8.3 Random Processes.
8.4 Transient Signals.
8.5 Interpretation of spectra.
8.6 Chapter Summary.
8.7 Problems.
References.
9 Experimental Frequency Analysis.
9.1 Frequency Analysis Principles.
9.2 Octave and Third-octave Band Spectra.
9.3 The Discrete Fourier Transform (DFT).
9.4 Chapter Summary.
9.5 Problems.
References.
10 Spectrum and Correlation Estimates Using the DFT.
10.1 Averaging.
10.2 Spectrum Estimators for Periodic Signals.
10.3 Estimators for PSD and CSD.
10.4 Estimator for Correlation Functions.
10.5 Estimators for Transient Signals.
10.6 Spectrum Estimation in Practice.
10.7 Multi-channel Spectral Analysis. &l...