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Vibration Testing (116/117)
Chapter Outline
Chapter 10 - Vibration Testing (Fundamentals of Vibration for Test and Design Applications)
- Types of Vibration Tests
- Development Testing
- Qualification Testing
- Acceptance Testing
- Screening Tests (or Procedures)
- Reliability Tests
- Durability and Functional Tests
- Accelerated Testing
- Accelerated Vibration Testing
- “S-N” Curve from Fatigue Testing
- Idealized “S-N” Curve for Typical Steel Alloy
- Designing Accelerated Durability Vibration Tests
- What is the Environment?
- The Applied Environment … Philosophy
- Vibration Testing — Control
- Closed Loop Control
- Control System Function
- Exciter Programming
- Location of Control Accelerometer
- Unwanted Table Movement
- Resonant Distortion of Electrodynamic Shaker Table
- Axial Resonance of Shaker Slip Tables
- Shaker Slip Table — High cg Load
- Shaker Control—Input or Response
- Notching the Spectrum
- Strobe Light used with Sinusoidal Vibration Test
- Multiple Degrees of Freedom Testing
- What a Multi-Axis System Provides
- What Is NOT A Multi-Axis System?
- Simultaneous 3-Axis Testing
- “Real” Multiple Degree-of-Freedom Systems
- “Tri-Axial Quasi-Random” Systems
- Two-Shaker, Two DOF Systems
- Three-Degree-of-Freedom Systems
- Army Research Lab (ARL) 3-DOF Machine
- Team Mantis
- Team Cube
- Hydraulic Test System—6 Degrees of Control, the CUBE™
Video Outline
Vibration Testing (Ver.116-117)