Structural Health Monitoring 2008

Preface

KEYNOTE PRESENTATIONS

• Structural Health Monitoring of Offshore Wind Energy Plants
• Distributed Data Processing Architectures for Structural Monitoring Systems Implemented on Wireless Sensor Networks

SHM APPLICATIONS—AEROSPACE APPLICATION

• Structural Health Monitoring and NDE—An Air Force Office of Scientific Research Structural Mechanics Program Perspective
• Application of SHM Systems to a Composite Aircraft Structure—A TATEM Usecase
• Optimisation and Simulation Approach for the Determination of HM Potentials on Commercial Aircraft
• Acoustic Signal Transmission and Damage Monitoring in a Real Aircraft Fuselage Component
• An Experimental SHM for a Composite UAV Wing
• A Demonstrator for an Integrated Temperature Sensor Network or Satellite Panels
• Flight Trials of Structural Damage Detection Systems on a Fast Military Jet
• SHM System for Small Aircrafts and Composite Repairs of Aircraft Structures
• Aircraft Landing Gear Structural Health Monitoring using a Loads Monitoring Approach
• Trend Analysis and Visualisation of Acousto-Ultrasonic Data from a Metallic Aircraft Structure under Cyclic Loading

SHM APPLICATIONS—ROTATING MACHINERY

• An Example of Diagnostics System Based on OMA(X) Method and NARX Models for Rotating Machinery
• Comparison of Modal Parameters Determined in Operational Conditions by Means of the OMA and OMAX Method
• Magnetic Shape Memory (MSM) Actuators for Forced Vibration Control of a Rotor
• Rotor Crack Detection using Induced Combination Resonances
• Application of Active Thermography for SHM of Mechanical Structures
• Turbine Engine Health/Maintenance Status Monitoring with Use of Tip Timing Method

SHM APPLICATIONS—RAILWAYS INFRASTRUCTURES AND VEHICLES

• Technical State Monitoring Method of Light Rail Track Wear
• A Concept of Long-Term Monitoring of a Railway Truss Bridge Excited by Trains
• A Railway Monitoring and Train Tracking by Fiber Bragg Grating Sensors: A Case Study in Italy
• A New SHM System for Railway Infrastructure

SHM APPLICATIONS—CIVIL ENGINEERING

• Modern Technologies in Bridge Monitoring
• New Sensors for Rebar Corrosion Monitoring
• Monitoring an Industrial Steel Building by GPS Receivers
• Monitoring Data for the Structural Assessment of Historical Buildings
• Measurement of Ambient Vibration Signal of Shorter Stay Cables from Stressing to Service Stages
• A Signal Processing, Result Management and Visualization System for Evaluation of Long Term Dynamic Behavior of Bridges
• Long-Term Structural Health Monitoring of a Supertall TV Tower
• Structural Health Monitoring of a Ravine Bridge of Egnatia Motorway during Construction
• A 24-Bit Permanent Monitoring System for Bridges: Development and Initial Results
• Assessment of the Structural Behaviour of a Centenary Double-Deck Steel Bridge via a FBG Monitoring System
• Analysis of Ambient Vibration Signal of Shorter Stay Cables from Stressing to Service Stages

SHM APPLICATIONS—GENERAL APPLICATIONS

• Damage Identification and Location by Power Mode Shapes Analysis
• Case-Based Reasoning for Structural Health Monitoring
• Benefits from Data Mining Methods Application to Condition Monitoring of Coal Mining Harvesters
• Efficient Signal Reconstruction and Analysis for Integrated SHM System
• Operational Damage Detection of Vibratory Machine Suspension
• Cure Monitoring of CFRP using Transverse Electrical Measurements
• Model-Based Prognosis for Intergranular Corrosion
• Adaptable Integrated SHM System for Metallic and Composite Structures
• Integrated Systems for Structural Health Monitoring: Worldwide Applications and Perspectives
• A Model-Less Method Impact Mass Identification
• New Multifunctional Hardware Platforms for Comprehensive SHM

SENSORS-DESIGN AND SOLUTIONS/FBG BASED SENSORS

• Tensile Fatigue Performance of Surface Mounted Bragg Grating Optical Fibres for Use in Structural Health Monitoring
• Influence of Temperature and Humidity on the Performance of FBG-Strain Sensors Embedded in CFRP Composites
• An Innovative Fiber Optic Bragg Grating Seismic Sensor
• SHM for Intertank Structures of Reusable Launch Vehicles

SENSORS-DESIGN AND SOLUTIONS/PIEZO-MATERIAL BASED SENSORS

• Active Fiber Composites for Exciting and Sensing Structural Waves in Plate Like Structures
• Advancements in Self-Diagnosis of Bonded Piezoelectric Transducers
• Admittance-Based Size Calibration of Piezoelectric Transducers Considering Bonding Effects on Lamb Wave Actuation and Sensing
• Design, Characterization, and Modeling of the CLoVER Transducer for Structural Health Monitoring

MODELLING AND SIMULATION

• Damage Indication in Smart Structures using Modal Effective Electromechanical Coupling Coefficients
• Numerical Simulation of Tests for Panel Compression-after-impact Strength Evaluation
• Elastic Wave Propagation in Frame Structure in the Context of Structural Health Monitoring
• Simulation of Lamb Wave Propagation to Predict Damage Detection in Thin Walled Composite Structures
• Lamb Wave-Based Damage Detection in Composite Structures: Potentials and Limitations
• Fatigue Reliability Predictions in Vibrating Structures under Uncertainty
• Modal Strain and Modal Kinetic Energies in the Detection and Localization of Damage
• Spectral Element Modelling of Wave Propagation in Stringer Stiffened Structures
• Structural Health Monitoring of Bonded Composite Repairs using Embedded Metallic Grid-—Numerical Simulation
• Characteristics of Lamb Wave in Detecting Damages in Composite Materials
• Propagation of Elastic Waves in Shell-Like Structures

SENSORS-DESIGN AND SOLUTIONS/OTHER TYPE OF SENSORS

• Real-Time Impact Damage Identification of Composite Structures
• Optimal Condition Based Maintenance Monitoring by using Corrosion Degradation AI Modeling for Structural Health Monitoring
• Crack Detection on Composite and Metallic Aerospace Structures
• Development of a Leave-in-Place Eddy Current Sensor for Remote, Real-Time Detection of Surface and Subsurface Fatigue Cracks

SENSORS-DESIGN AND SOLUTIONS/WIRELESS

• Energy Harvesting, Wireless Structural Health Monitoring System
• New Generation of Impedance-based Wireless Active-Sensor Nodes
• Design of a Generic Smart and Wireless Sensors Network—Benefits of Emerging Technologies
• Wireless Sensor Developments for Structural Health Monitoring
• Wireless Network and Embedded System for Autonomous Real-time SHM
• Remote Machinery Condition Monitoring in Explosive Areas using Wireless Technology
• A Wireless Sensor Network with Continuous High Frequency Sampling and Time Synchronization for Structural Dynamic Testing

SHM SYSTEMS/GUIDED ULTRASONIC WAVES

• 3D-Visualisation of Lamb Waves by Laser Vibrometry
• Structural Health Monitoring using an Embedded PZT-FBG Ultrasonic Sensor Array
• Delamination Detection in Composites using Active Piezoceramic Wafer and AFC Sensor
• Smart Composite Repairs using PZT Discs as Actuators/Sensors
• Monitoring of Complex Structures using Guided Waves
• Local Waves in Heterogeneous Media and Their Control
• Generation and Propagation of Lamb Waves—Analytical Modelling and Experimental Verification
• Probability of Detection Considerations for a Lamb Wave Structural Health Monitoring Sensor
• Selective Excitation and Detection of Lamb Waves for SHM Applications
• Multi-Damage Localization with Piezoelectric Transducers
• Effect of Hole-Diameter to Wavelength Ratio on Scattered Lamb Wave in a Flat Plate
• Beamforming with Guided Waves for the Monitoring of Steel Plates
• Principal Component Analysis of Acousto-Ultrasonic Signals for Structural Health Monitoring
• A Conceptual Study on Guided Wave Based Imaging Techniques for SHM with Distributed Transducer Arrays
• Structural Damage Detection using Lamb Waves and 3-D Laser Vibrometry
• Fatigue Crack Detection in Aircraft Riveted Panels using Frequency/Phase Analysis of Lamb Waves
• A Mixed PZT Disc/Air-Coupled Transducer Method for Detecting Delaminations in Sandwich Structures
• Geometrical Approach to Damage Localization in Panels
• Diagnostics of Damage Presence using Tomographically Constructed Probability Distribution Based on Lamb Wave Signals

SHM SYSTEMS/FIBRE BRAGG GRATING BASED SYSTEM

• Fiber Bragg Grating Sensors and Piezoelectric Actuators for Active Vibration Control Application
• Extensive Characterization of the Intrusiveness of Fibre Bragg
• Grating Sensors Embedded in a Carbon Fibre Reinforced Polymer
• Damage Detection in Composite Repair Patches using Embedded Optical Sensors
• In-situ Impact Induced Damage Assessment of Woven Composite Laminates through a FBG Sensor Network
• Demonstration of the Use of Fiber Bragg Grating for Optical Sensing (FIBOS) during an Aerospace Mission
• Fiber Bragg Gratings and Two Wave Mixing Spectral Demodulator System for Impact Detection and Localization
• Detection of Barely Visible Impact Damage in CFRP Sandwich Structures by Optical Fiber Based Distributed Strain Measurement
• Fibre Optic Strain Measurement for Aerospace Structures—Lessons from their Use in the Offshore Oil and Gas, and Wind Energy Industries
• Experimental Evaluation of a Smart Prestressed Element Instrumented with Multiplexed Interferometric Fiber Optic Sensors

SHM SYSTEMS/VIBRATION BASED METHODS

• Experimental Cable Identification Via Dynamic Testing
• Detection of a Blade Fault from Simulated Gas Turbine Casing Response Measurements
• Robust Design for Transducer Selection and Placement and Structural Damage Detection
• Damage Detection Based on Damping Analysis of Ambient Vibration Data
• Experimental Assessment of Vibration-Based Time Series Methods for Structural Health Monitoring
• Damage Detection in Riveted Structures by Laser Measurements
• Sensor Location Optimization in Experimental Modal Analysis of a Composite Fuselage Panel
• Modal Filtration for Damage Detection and Localization
• Damage Detection and Localization in the Joints of a Thin Plate via a Statistical Power Spectral Density Based Method
• Damage Detection on Reinforced Concrete Beams Strengthened with CFRP Laminate Strips Through their Dynamic Response
• A Multi-Channel SHM Framework for Industrial Piping Systems Based on Guided Elastic Waves and Vibrations
• Modal Analysis as a High Sensitive NDT Method of Compressor Cracking Blade
• Development of Structural Integrity Evaluation System for Aids to Navigation Facilities using Ambient Vibration Measurements

SHM SYSTEMS/DAMAGE DETECTION ALGORITHMS

• An Investigation into the Necessary Model Fidelity for SHM Feature Selection
• Localization of Damage from the Kernel at Transmission Zeros of Changes in Transfer Matrices
• Syndromic Surveillance as a Paradigm for SHM Data Fusion
• Data Normalization and Nonlinear Damage Identification using Auto-Associative Neural Networks and Factor Analysis
• Method of the Reduction of the Reference Data for the Damage Detection via the Unsupervised Damage Diagnostic Method
• Eliminating Environmental Influences in Structural Health Monitoring using Spatiotemporal Correlation Models
• Data Normalization with Partially Measured Environmental or Operational Variables
• Statistical Algorithms for Damage Detection using Static and Dynamic Approaches
• Classification of Damage using Time Series Analysis and Statistical Pattern Recognition
• Impact Damage Assessment of Time-Varying Structures under Temperature Variations
• Damage Detection by a Real-Parameter Hybrid Genetic Algorithm
• Compensation of Environmental Influences for Damage Detection using Classification Techniques
• PCA Based Measures: Q-Statistic and T2-Statistic for Assessing Damages in Structures
• Applying Evolutionary Algorithms to Optimize Active Sensing for Structural Health Monitoring Applications
• The Use of Pseudo-Faults for SHM Feature Selection and Pattern Recognition
• On the Development and Testing of an Uniform Circular Array for Structural Health Monitoring of Planar Structures
• Identification of Coexistent Load and Damage Based on Virtual Distortion Method
• Localized Damage Detection of Structures Subject to Multiple Inputs using Distance Measure of Autoregressive Model
• Adaptive Flutter Monitoring using Wavelet Filtering and Recursive Subspace-Based Detection

SHM SYSTEMS/ACOUSTIC EMISSION BASED SYSTEMS

• Acoustic Emission Monitoring in the Course of Strength Test of CFRP Aircraft Structure
• Feature Extraction from Acoustic Emission Waveforms using a Discrete Wavelet Transform
• Monitoring and Characterization of Low-Velocity Impact Damage in Composite Laminates using PVDF Sensor and AE Signals

LIFE CYCLE ASSESSMENT AND PROGNOSIS

• An Algorithm for Life Time Prediction of Fatigue Loaded CFRP-Structures Derived from the Rate of Acoustic Emission
• Enhanced Damage and Life Time Prognosis of CFRP-Structures by Means of Combined Time-Frequency-Based Acoustic Emission Feature Extraction and FBG Spectrum Analysis
• Structural Health Monitoring Supports Life Cycle Management of U.S. Army Helicopters

POSTER SESSION

• Characterization of Viscoelastic Unidirectional Composite Laminates using So, Ao and SHo Lamb Waves
• Application Scanning Laser Measurements and Wavelet Transform for Damage Detection in Composite Wind Turbine Blade
• Dimensional Measurements with Optical Scanners
• Crack Detection in Metallic Structures using Nonlinear Electro-Mechanical Impedance Measurement
• Condition Monitoring of Windmill Rotor Blades
• Laboratory Tests on Elastic Waves Application to Damage Detection in Metal, Plexiglass Strips and Composite Plates
• On-Line Flight Flutter Margin Detection—Algorithm and Case Study
• Application of Image Correlation for SHM of Steel Structures
• The ELGRID System for Structural Health Monitoring—The Concept and Potential Applications
• Impact and Disbond Detection in Composite Wing Structures
• Damage Detection in Large Scale Structures using a Two Stage Procedure
• Automatic Detection of Construction Work using Surveillance Video Footage
• Modal Analysis of Buildings Utilizing Different Measurement Techniques
• Applications of IR Thermography Methods for Nondestructive Evaluation of Honeycomb Type Composite Materials in Aircraft Industry

Author Index