Vibration Testing (116)

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Chapter Outline

Chapter 11 - Vibration Testing (Fundamentals of Vibration for Test 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
    • Function Generators
    • 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)