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Vibration measurement and analysis /
Vibration Measurement and Analysis.
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
London ; Boston :
Butterworths,
1989.
|
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Front Cover; Vibration Measurement and Analysis; Copyright Page; Table of Contents ; Preface; Chapter 1. Introduction; 1.1 Reasons for measurement; 1.2 Single degree of freedom systems; 1.3 Two degrees of freedom; Chapter 2. General measurement requirements; 2.1 The measurement chain; 2.2 Transducer criteria; 2.3 Linearity and discrimination; 2.4 Frequency range; 2.5 Cross-axis sensitivity; 2.6 Electrical impedance matching; 2.7 Mechanical matching; 2.8 Conditioning; 2.9 Viewing or recording; 2.10 Signal to noise ratio; Chapter 3. Types of transducer; 3.1 Classification.
- 3.2 Contact relative transducers for displacement3.3 Relative velocity contact transducers; 3.4 Strain gauges; 3.5 Non-contact relative displacement transducers; 3.6 Doppler types; 3.7 Interferometer methods; 3.8 Seismic systems; 3.9 Accelerometers; 3.10 Resistive accelerometers; 3.11 Accelerometer calibration; 3.12 Choice; Chapter 4. Measurement of sound; 4.1 Introduction; 4.2 Scales; 4.3 Measurement; 4.4 Effects of sound fields; 4.5 Sound intensity; Chapter 5. Digital measurement systems; 5.1 Introduction; 5.2 Fringe counting systems; 5.3 Laser and electrical systems; 5.4 T.E. measurement.
- 5.5 Torsional vibration5.6 Torsional comparisons; Chapter 6. Signal conditioning; 6.1 Operational amplifiers; 6.2 Sealers, buffers and integrators; 6.3 Filters and differentiators; 6.4 Low impedance and charge amplifiers; 6.5 Displacement, velocity, acceleration or jerk; 6.6 Bridge systems; 6.7 Phase sensitive detectors; 6.8 Enveloping; Chapter 7. Recording; 7.1 Direct writing systems; 7.2 Tape recording; 7.3 Transient recording; 7.4 Digital recording; 7.5 Pre-processing; 7.6 Method selection; 7.7 Aliasing and sampling; Chapter 8. Vibration excitation; 8.1 Introduction; 8.2 Methods available.
- 8.3 Relative advantages8.4 Mass compensation; 8.5 Machine excitation; 8.6 Waterfall displays; 8.7 Reciprocal theorem; 8.8 Model testing; 8.9 Sweep, random, chirp and impulse; Chapter 9. Analysis methods and frequency analysis; 9.1 Introduction; 9.2 The raw vibration; 9.3 Frequency analysis; 9.4 The two types of spectrum, conversions; 9.5 Bandwidth and power; 9.6 Choice of bandwidth; 9.7 Methods of obtaining spectra; 9.8 Windows and limiting bandwidth; 9.9 Repetitive waveforms; 9.10 Incorrect amplitudes at borderlines; 9.11 The importance of phase information; Chapter 10. Modulation.
- 10.1 Mechanisms of carrier modulation10.2 Relevance for testing; 10.3 Cepstrum; 10.4 Deductions from modulation; 10.5 Random disturbances; Chapter 11. Correlation and averaging; 11.1 Introduction; 11.2 Autocorrelation; 11.3 Correlation; 11.4 Time averaging; 11.5 Jitter; 11.6 Controlled sampling; 11.7 Average or variation; Chapter 12. Transfer functions; 12.1 Time or frequency; 12.2 Coherence; 12.3 Transmissibility; 12.4 Identifying resonances; 12.5 Modeshapes; 12.6 Modal analysis; Chapter 13. Signal filtering and improvement; 13.1 Uses of filtering; 13.2 Filter order.