Vibration Test Procedures (425)

Modal Testing • Shaker Modal Testing • Shaker Modal Testing System, Sample Layouts: with Accelerometers, with Laser Doppler Vibrometer • Impact Hammer Modal Testing • Modal Analysis • Sine Vibration Testing • Closed Loop Control • Slow Sine Sweep • Minimum Sweep Rate for Full Resonance Response • Swept Sine Resonant Search—Fixture Evaluation Example • Procedure for Fixture Evaluation Example • Review of Random Vibration Testing Control • Random Vibration Structural Analysis—Example • Typical Vibration Test Methodology • Equipment Operation • Severities • Information Required—Compulsory, as Necessary • Tolerances-Sinusoidal Vibration, Random Vibration • Vibration Excitation—Control/Control Options • Control Chains • Installation Conditions of DUT • Test Set-up  • Test Preparation • Test Procedures, General • Specific Types of Vibration Tests • Swept Frequency Vibration • Fixed Frequency Sinusoidal Vibration • Wide-Band Random Vibration • Fixed Center Frequency Narrow BandRandom Vibration • Swept Narrow Band Random Vibration • Fixed Frequency Sinusoidal Vibration onWide-Band Random Vibration • Swept Frequency Sinusoidal Vibration on Wide-Band Random Vibration • Fixed Frequency Narrow Band Random Vibration on Wide Band Random Vibration • Improved Vibration Testing with Force Limiting