Structural Health Monitoring 2006

Preface

KEYNOTE PRESENTATIONS

• New Technology Frontiers on Commercial Aircrafts
• A New Look in Design of Intelligent Structures with SHM
• The Multidisciplinary Approach to SHM
• The Challenge of Long-Span Suspended Bridges
• Towards Damage and Structural Health Monitoring of Aerospace Composite Structures using Optical Fiber Sensors

MONITORING OF CIVIL STRUCTURES

• Life-Cycle Assessment and Life Extension of Structures via Innovative Methods
• Framework for the Optimization of Structural Health Monitoring on a Probabilistic Basis
• Experimental Validation of Life Time Assessment of Existing Bridges by Means of Monitoring and Testing
• Monitoring, Adaptive and Probabilistic Modelling of Chloride Ingress in Concrete Structures
• Monitoring of Emissions and Mechanical Stability of Landfills
• Modelling of Long-Term Landfill Behaviour
• Novel Sensor Systems for Structural Health Monitoring
• Structural Health Monitoring by In-Situ Materials Analysis
• Monitoring of Tension Members of Civil Structures—New Concepts and Testing
• Damage Evaluation and Crack Detection in Steel Structures using Lockin-Thermography
• Detection of Structural Changes by Means of Piezo Discs
• Life Cycle Assessment of Welded Components with Help of Nondestructive Testing Methods

AEROSPACE APPLICATIONS

• An Overview of the FLPP Technology Developments in Structures Health Monitoring for the European Next Generation Launcher
• Damage Detection on Aerospace Structures: Last Developments at EADS
• Flight Demonstration: Health Monitoring for Bonded Structural Repairs
• Implementation of an Experimental System for Structural Health Monitoring in a Turboprop Commercial Aircraft
• Structure Condition Monitoring with Passive Tags
• Procedures for the Assessment of Structural Health Monitoring Potentials
• Evaluation of Crack and Corrosion Detection Sensitivity using Piezoelectric Sensor Arrays
• A High Resolution Health Monitoring System for Bonded Composite Repairs using a Spatially Sparse Fiber Bragg Grating Sensor Net
• A Development and Application Test of Brillouin Scattering Sensing Method for Aircraft Structural Health Monitoring
• Damage Growth Detection of Aircraft Bonding Structure under Cyclic Loading using FBG/PZT Hybrid Sensor System
• SHM with Embedded Fibre Bragg Gratings and Piezoelectric Devices
• Monitoring of Interfacial Crack Growth of Stiffened Panel with Embedded Fiber Bragg Grating Sensors
• Advanced Phased Array System for Structural Damage Detection
• Nonlinear Vibro-Acoustic Modulation Technique for Life Prediction of Aging Aircraft Components
• Global Crack Detection for Aircraft Monitoring using Bispectral Analysis
• Evaluation of Impact Tests on the TANGO Barrel by Means of Fibre Bragg Grating Sensor (FBGS) Measurements
• Ultrasonic Wave Modulations for Damage Detection in Metallic Structures
• Characterization and Modeling of Bonded Piezoelectric Sensor Performance and Durability in Simulated Aircraft Environments

ARTIMA

• ARTIMA: Aircraft Reliability Through Intelligent Materials Applications
• Damage Detection in Plates using Transducers Mounted on Viscoelastic Damping Layers
• Experimental Investigation of Elastic Waves Propagation 1D and 2D Structures with Faults
• Elastic Wave Propagation in a Cracked Isotropic Plate
• Comparison of Health Monitoring Systems with Fiber Bragg Grating and Piezoelectric Sensors
• Rotor Blade Integrated Sensor for Monitoring of BVI Caused Pressures Fluctuations

SHM APPLICATIONS TO BRIDGES

• Structural Health Monitoring of a Steel Railway Bridge using Optical Fibre Bragg Grating Sensors and Numerical Simulation
• Computational Validation of a Forced-Vibration Method for Structural Health Monitoring of Large-Scale Structures
• Bridge Health Monitoring for Egnatia Odos Bridge Management System
• Analysis of Structural Health Monitoring Data from the Suspension Jiangyin Bridge
• The Long Term Structural Health Monitoring of Bridges in the State of Connecticut
• Data Processing for Safety Control of Birdges in Real Time

SHM APPLICATIONS TO BUILDINGS

• Networked Health Monitoring System for Buildings and its Data Model
• Experimental Validation of a Technique for Seismic Damage Identification in Buildings
• Experimental Study on Localization and Quantification of Structural Damage using ZigBee Motes
• Structural Damage Detection using a Time Windowing Technique from Measured Acceleration during Earthquake
• Identifying Damage in the ASCE Benchmark Structure using a Neural-Wavelet Module
• Distributed-Cooperative Problem Solving in SHM using Multi-Level Intelligence

SHM APPLICATIONS IN CIVIL ENGINEERING

• Recent Structural Health Monitoring Applications in Italy
• Monitoring Temperature and Water Imbibition in Litic Materials by Embedded FBG
• Early Damage Detection System for Tower and Rotor Blades of Offshore Wind Turbines
• Monitoring the Disbond of Externally Bonded CFRP Composite Strips for Rehabilitation of Bridges
• Advances in Manufacture of Smart Prestressed Reinforced Concrete Elements
• Long Base Optical Fiber Extensometers Sense Structural Geometrical Nonlinearities

DAMAGE DETECTION ALGORITHMS

• Damage Localization in a Stiffened Structure-Comparison of Different Methods
• Handling the Temperature Effect in SHM: Combining a Subspace Based Statistical Test and a Temperature-Adjusted Null Space
• Transient Statistical Energy Analysis Applied to Damage Detection
• Nonlinear Model Updating Based on System Augmentation for Nonlinear Damage Detection
• Damage Identification of Cables via Virtual Distortion Method
• Stiffness Matrix Estimation via Differential Evolution Algorithm
• Embedding SHM Algorithms into a Microcontroller for Real-Time and Fully-Automated Civil Applications
• Damage Identification using Curvatures and Sensitivities of Frequency-Response-Functions
• An Enhanced Principal Component Analysis for Structural Health Monitoring
• Damage Identification Inverse Problem for a Piezoelectric Material
• A Negative Selection Approach to Novelty Detection in a Changing Environment
• Vibration-Based Fault Detection and Assessment in a Scale Aircraft Structure via Stochastic VFP-ARX Models
• A Roughness Index for Detecting Damage in Plates
• Inverse Problem Filtering for Noise Reduction in QNDE
• Multivariate Statistics Process Control for Dimensionality Reduction on Structural Health Monitoring
• Diagnostic System of Cylindrical Shell Based on Experimental Modes and Wavelet Analysis
• Online Force Reconstruction using Robust Observers
• Use of Bispectral Analysis in Condition Monitoring of Machinery
• Removing Non-Linear Environmental Influences from Structural Features
• Quantification of Uncertainty in Damage Detection Techniques
• Damage Detection in Structures and Control Systems using Realization Redundancy and Outlier Analysis
• Defects Identification in Rods via the Wavelet Transform of Transient Vibrations
• Design of Experiments based Variability Analysis of Damage Detection Methods in Structural Components
• A Posteriori Impact Identification
• Feature Selection for a Neural Network Damage Diagnostic using a Genetic Algorithm
• Sequential LS-SVM for Structural System Identification
• Time Series Methods for Fault Detection and Identification in Vibrating Structures
• Monitoring of Delamination Defects in Composite Beams
• Identification of Stiffness Variation in Structural Systems by Modified Littlewood-Paley Wavelets
• A Neural Network Based Health Monitoring Methodology for Co-Cured/Co-Bonded Composite Aircraft Structures
• Crack Identification in the Complex Beam-Type Structures Based on Frequency Data

DAMAGE DETECTION EXPERIMENTAL METHODS

• Simulation Based Health Assessment of Engineering Structures
• Thermal Damage Identification in Metallic Honeycomb Thermal Protection System Panels using Active Distributed Sensing with the Method of Virtual Forces
• Merging Sensor Data from Multiple Temperature Scenarios for Vibration-Based Monitoring of Civil Structures
• Development of a Non-Contact Defect Detection System for Railroad Tracks for the US Federal Railroad Administration
• Detection of Damages in Beams and Composite Plates by Harmonic Excitation and Time-Frequency Analysis
• Reliability Study of Thermocouple Array Instrumented on a Titanium Plate using Modal Impacts and Piezo Actuation
• Modal Analysis and Damage Detection by Fiber Bragg Grating Sensors
• Active Sensing for Disbond Detection in CFRP Strengthened RC Beam
• Advanced Self-Sufficient Structural Health Monitoring System
• Damage Detection Based on Structural Stiffness and Experimental Verification
• An Acoustic Emission Based SHM Technique for Aircraft Applications
• Detection and Characterization of High-Velocity Impact Damage in Composite Laminates using PVDF Sensor Signals
• Experimental Impact Force Identification of Composite Structures
• 2D Layerwise Modeling of High-Frequency Modal Response in Delaminated Composite Beams with Active Piezoelectric Sensors
• Wavelet-Based Analysis of Concentrically Braced Frames Subjected to Seismic Loading
• Real Time Dynamic Mass Identification
• Processing Effects and Structural Integrity of Fabric Reinforced Thin-Walled Composite Components
• Compressive Properties of Polymer Laminates Containing Internal Sensor Cavities

FIBRE OPTIC SENSORS

• Fibre Optic Sensors for Lamb Wave Detection
• Carbon Nanotubes-Based Optical Sensor for Hydrogen Detection at Cryogenic Temperature
• Structural Health Monitoring System for Detecting Impact Events and Acoustic Emissions
• Structural Health Monitoring of Bonded Composite Repairs using Embedded Fiber Bragg Grating Sensors and Neural Networks
• FBG Sensor Embedded in Pultruded Composite Bars
• Using BOTDR Fibre Optic Sensors to Monitor Pipeline Behaviour during Tunneling
• Multiplexable Fiber Bragg Grating Temperature Sensors Embedded in CFRP Structures for Cryogenic Applications
• Quasi-Distributed Optical Fibre Extensometers for Continuous Embedding into Concrete: Design, Ralization, Laboratory and Field Tests
• High-Frequency Ultrasound Detection Based on Analysis of Fiber Bragg Gratings Phase Response
• Structural Health Monitoring of Cryogenic Composite Tank using Embedded Fiber Bragg Grating Sensors
• Measurement of Multi-Axial Stress/Strain in Composite Elements with Bragg Sensors
• On-Line Health Monitoring and Safety Evaluation of the Relocation of a Research Reactor using Fiber Bragg Grating Sensors

SHM OF AEROSPACE STRUCTURES

• Transitioning from NDE Inspection to Online Structural Health Monitoring—Issues and Challenges
• Integrated Health Monitoring of Gas Turbine Engine Wire Harnesses and Connectors
• Health Management and Sustainment Transformation in the U.S. Air Force
• Automated Damage Detection in UAV Wing Skin-to-Spar Joints Based on Outlier Analysis of Guided Wave Energy
• Evaluation of Impact Detection System using In-Situ Acoustic Sensing
• Value Assessment Tools for Hybrid NDE-SHM Life Management Strategies

GUIDED WAVES FOR SHM APPLICATIONS

• An Experimental Investigation of Guided Wave Propagation in Corrugated Plates
• Detecting and Locating Cracks and Corrosion in Pipes using Ultrasonic Guided Waves
• Modeling Guided Wave Propagation for Structural Monitoring of Damped Waveguides
• Health Monitoring of a Bolted Lap Joint using Active Chaotic Excitation with Guided Waves
• Analytical Modeling of Lamb Waves for Structural Health Monitoring
• Simulation-Based Design of a Guided-Wave Structural Health Monitoring System for a Plate-Stiffener Configuration

NEW DEVELOPMENTS

• Metal RubberTM Sensors for Structural Health Monitoring
• Sensor Devices Exploiting Cu-Based SMA Physical Properties
• Health Monitoring of a Smart Piezoelectric Interface System
• SHM Concept Applied to Dynamical Defect Identification in Electrical Circuits
• Metrological Approach of New Sensors Used in Structural Health Monitoring
• AI Techniques for Health Monitoring: Application to Embedded Sensors in Solid Rocket Motors

OPTIMAL SENSOR PLACEMENT

• On the Physical Significance of the Norm Based Sensor Placement Method
• Experimental Validation of Optimal Sensor Placement Algorithms for Structural Health Monitoring
• Optimal Sensor Placement for Damage Identification—An Efficient Forward-Backward Selection Algorithm
• Optimal Sensor Location Methodology for Structural Identification and Damage Detection
• Sensor Placement Design for SHM under Uncertainty
• Optimal Sensor Placement for Damage Detection

PIEZOELECTRICS AND ELASTIC WAVES

• A Non-Contact Method of Determining Material Properties and Structural Integrity through the Analysis of Laser Generated Ultrasound
• In-Situ Assessment of the Size and the Location of a Fatigue Crack in a GFRP Laminate
• Ultrasonic NDT Based on Lamb Waves: Development of a Dedicated Drive and Monitoring Electronic
• Wave Propagation Modelling in Composite Plates with Damage
• Lamb Waves Generation in Thin Plates using Bonded Piezoceramics: Reactive Effect of the Plate Border
• Wave Propagation Modelling for Damage Detection in Metallic Structures
• New Developments in the Use of Piezoelectric Wafer Active Sensors for Structural Health Monitoring
• First Use of the Shear Piezoceramics and Effective Electromechanical Coupling Coefficient for Damage Detection and Characterization
• Damage Monitoring of Joint Part of Bimodal Rapid Transit with AE Signals
• Development of a Fiber-Guided Wave Transducer
• The Fundamental Response of Piezoelectric Guided-Wave Sensors and Applications to Damage and Impact Location
• Active Self-Sensing Module for Sensor Diagnosis and Structural Health Monitoring

ROTATING MACHINERY

• Estimation of Gear Dynamic Excitation for Gearbox Prognostics
• Failure—Oriented Procedure of Vibroacoustic Signal Analysis
• Recent Advances in Vibration Based Damage Detection Techniques for Cracked Rotors
• Condition Monitoring using Automatic Spectral Analysis
• Machinery Condition Monitoring and Structural Health Monitoring—Potential for Cross Fertilisation?
• An Example of Application of Model-Based Approach to SHM of Rotating Machinery

WIRELESS SENSORS APPLICATIONS

• Synchronization of Wireless Sensors: Review of Methodologies. Experience Feedback of the Very Precise GPS Solution
• Energy Harvesting, Wireless Strain Sensor for Damage Tracking of Helicopter Components
• X-Band-Based Electrical Energy Delivery Systems for Wireless Embedded Sensor Nodes
• Structural Health Monitoring with an Inductively Coupled (Wireless) Lamb Wave Transducer
• Multivariate Autoregressive Models for Local Damage Detection using Small Clusters of Wireless Sensors

SHM SYSTEMS

• Three Dimensional Imaging for Structural Health Monitoring
• Ground Based Reasoning (GBR)
• In-Situ Formation of Strain Sensors by Breaking Optical Fibers in a Structural Material
• Design and Development of the Graphical User Interface for a Modular Structural Health Monitoring System for Military Aircraft
• An Investigation of Acoustic Measurements in the Exhaust System for Diesel Engine Combustion Monitoring
• Vibration-Based Health Monitoring of Aircraft Structures (ARTIMA Session)
• A Structural Health Monitoring System Based on a Wireless Sensor Network

Author Index