Health monitoring of pipeline girth weld using empirical mode decomposition

Keyphrases

• Hilbert-Huang Transform 100%
• Empirical Mode Decomposition 100%
• Health Monitoring 100%
• Pipeline Girth Weld 100%
• Vibration Signal 100%
• Intrinsic Mode Function 66%
• Free Vibration 66%
• Girth Weld 66%
• Series Analysis 33%
• Structural Integrity 33%
• Damage Index 33%
• Structural Health Monitoring 33%
• Laser Doppler Vibrometer 33%
• Damage Detection 33%
• Healthy State 33%
• Steel pipe 33%
• Piezoceramic Sensor 33%
• Mid-span 33%
• Energy Comparison 33%
• Diagnostic Approach 33%
• Internal Pressure 33%
• Damage Scenarios 33%
• Signal Decomposition 33%
• Narrow Notch 33%
• Damage Cases 33%
• Instantaneous Phase 33%

Engineering

• Empirical-Mode Decomposition 100%
• Girth Weld 100%
• Health Monitoring 100%
• Hilbert-Huang Transform 75%
• Intrinsic Mode Function 50%
• Free Vibration 50%
• Energy Engineering 25%
• Structural Integrity 25%
• Piezoceramics 25%
• Steel Pipe 25%
• Structural Health Monitoring 25%
• Instantaneous Phase 25%
• Damage Scenario 25%
• Baseline State 25%
• Internal Pressure 25%