Course Structure for Vibration Level 3 Analyst

Vibration Principles: (1 hour)

  • Basic Motion
  • Period, Frequency
  • Amplitude (Peak, Peak-to-Peak, RMS)
  • Measurements (Displacement, Velocity, Acceleration)
  • Units, Unit Conversions
  • Time Orbital and Frequency Domains
  • Vectors, Modulation
  • Phase
  • Natural Frequency, Resonance, Critical Speeds
  • Force, Response, Damping, Stiffness
  • Instabilities, Non-linear Systems
  • Mode Shapes
Data Acquisition: (1 hour)

  • Instrumentation (and acquire readings)
  • Dynamic Range
  • Transducers
  • Sensor Mounting, Mounted Natural Frequency
  • Fmax Acquisition Time
  • Proximity Sensor Conventions
  • Triggering
  • Test Planning
  • Test Procedures
  • Recognition of Poor Data
  • Vibration System Calibration
Signal Processing: (5 hours)

  • RMS/Peak Detection
  • Analogue/Digital Conversion
  • Analogue and Digital; Sampling
  • FFT Computation
  • Windows (Uniform, Hanning, Flat-top)
  • Filters (Low pass, High Pass, Band Pass, Tracking)
  • Anti-aliasing
  • Band-width, Resolution
  • Noise Reduction
  • Averaging (Linear, Synchronous Time, Exponential)
  • Dynamic Range
  • Signal to Noise Ratio
  • Spectral Maps
  • Run-out Compensation
Condition Monitoring: (2 hours)

  • Computer Database Set-up and Maintenance
  • Equipment Evaluation and Prioritization
  • CM Program Design
  • Alarm Set-up (Narrowband and Envelope)
  • Baseline Assessments, Trending
  • Route/Task Planning
  • Alternate Technologies (e.g. Oil Analysis, Wear Debris Analysis, Infrared Thermography, Motor Current Analysis, Acoustic Emission)
  • Alarm and Trip Level Determination
  • Procedure Writing (and methods of working)
  • CM Program Implementation and Management
  • Integrated Health Analysis
  • Prognostics
Fault Analysis: (6 hours)

  • Basic Spectrum Analysis
  • Spectral Harmonics and Sidebands
  • Time Waveform Analysis
  • Phase Analysis
  • Transient Analysis
  • Orbital Analysis
  • Shaft Centre-line Analysis
  • Enveloping
  • Mass Unbalance
  • Misalignment
  • Concentricity Errors
  • Mechanical Looseness
  • Rubs
  • Instabilities
  • Shaft Bow
  • Bearing (Rolling Element, Journal) Defects
  • Electric Motor Defects
  • Flow Induced Vibration, Aerodynamics and Liquids
  • Gearbox Defects
  • Resonance and Critical Speeds
Corrective Action Recognition: (4 hours)

  • Shaft Alignment
  • Concentricity
  • Balancing
  • Machine Part Replacement
  • Flow Control
  • Isolation and Damping
  • Resonance Control
  • Basic Maintenance Action
  • Lubrication
Acceptance Testing: (1 hour)

  • Specifications and Relevant Standards
  • Acceptance Test Reporting
Equipment Testing and Diagnostics: (2 hours)

  • Impact Testing
  • Forced Response Testing (e.g. Coherence, Transfer Function)
  • Transient Testing
  • Damping Evaluation
  • Operating Deflection Shapes
  • Modal Analysis
  • Torsional Vibration
  • Axial Vibration and Thrust
  • Process Safety
Reference Standards: (1 hour)

  • Relevant International (ISO, IEC), National and Regional Standards
Reporting and Documentation: (1 hour)

  • Machine History Records
  • Vibration Diagnostic Reports
  • Vibration Prognostic Reports
  • Failure Investigation Report
  • Decision Making and Recommend Action
Fault Severity Determination: (2 hours)

  • Levels (Overall, Narrowband, Component)
  • Spectrum Analysis
  • Time Waveform and Orbit Analysis
  • Severity Charts, Graphs, Formulae
Theoretical Rotor and Bearing Dynamics: (2 hours)

  • Rotor Characteristics
  • Bearing Characteristics
  • Rotor Dynamic Computation (using approved procedures)
  • Rotor Dynamic Fault Modeling
Field Balancing: (2 hours)

  • Single-plane
  • Two-plane
  • Multi-plane
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