Structural Health Monitoring Damage Detection Systems for Aerospace.

• Superior document: Springer Aerospace Technology Series
• Author: Sause, Markus G. R.
• TeilnehmendeR: Jasiūnienė, Elena.
• Place / Publishing House: Cham : : Springer International Publishing AG,, 2021.; ©2021.
• Year of Publication: 2021
• Edition: 1st ed.
• Language: English
• Series: Springer Aerospace Technology Series
• Physical Description: 1 online resource (292 pages)

Table of Contents

• Intro
• Preface
• Acknowledgment
• Contents
• Contributors
• Chapter 1: Introduction
• Chapter 2: Monitoring Tasks in Aerospace
• 2.1 Condition Monitoring
• 2.2 Operation Monitoring (OM)
• 2.3 Damage Monitoring (DM)
• 2.4 Challenges
• References
• Chapter 3: Defect Types
• 3.1 Metallic Materials
• 3.1.1 Defects During the Manufacturing Process
• 3.1.2 Defects During In-service Conditions
• 3.1.2.1 Fatigue
• 3.1.2.2 Corrosion
• 3.1.2.3 Creep
• 3.1.2.4 Operational Overload
• 3.1.2.5 Wear
• 3.1.2.6 Extreme Weather Conditions
• 3.1.2.7 Miscellaneous Defect Types in Metals
• 3.2 Composite Materials
• 3.2.1 Disbonds
• 3.2.2 Delamination
• 3.2.3 Foreign Inclusion
• 3.2.4 Matrix Cracking
• 3.2.5 Porosity
• 3.2.6 Fibre Breakage
• 3.2.7 Other Composite Laminate Typical Defects
• 3.2.8 Typical Honeycomb Core Defects
• 3.2.9 Typical Foam Core Defects
• 3.2.10 Ingress of Moisture and Temperature
• 3.2.11 Fatigue
• 3.3 Defects in Coatings
• 3.3.1 Defects During the Manufacturing Process
• 3.3.2 Defects During In-service Conditions
• 3.4 Defects in Joints
• 3.4.1 Adhesively Bonded Joints
• 3.4.2 Friction Stir-Welded Joints
• 3.5 Concluding Remarks
• References
• Chapter 4: Aerospace Requirements
• 4.1 Power Consumption
• 4.2 System Reliability/Durability
• 4.3 Effect of Operational Conditions
• 4.4 Size/Weight Restrictions
• 4.5 Optimal Sensor Placement
• 4.6 Summary
• References
• Chapter 5: Ultrasonic Methods
• 5.1 Introduction to Ultrasonic Inspection
• 5.2 Ultrasonic Guided Wave (GW) Inspection
• 5.2.1 Governing Equations of GW Wave Propagation
• 5.2.1.1 Waves in Unbounded Media
• 5.2.1.2 Boundary Conditions
• 5.2.1.3 Dispersion Relation
• 5.2.2 Active and Passive Guided Wave Inspection
• 5.2.3 Dispersion and Attenuation
• 5.2.4 Guided Wave Excitation and Mode Selection
• 5.3 Defect Detection.
• 5.3.1 Defect Localisation and Imaging: Sparse, Phased Arrays and Guided Wave Tomography
• 5.3.2 Guided Wave Interaction with Actual Structural Defect
• 5.4 Reliability of SHM Systems
• 5.4.1 Basic Concepts of POD and PFA
• 5.4.2 Sources of Variability of SHM System
• 5.4.3 Analysis of Environmental and Operational Conditions
• 5.4.4 POD Assessment Solutions
• 5.4.5 Model-Assisted POD for SHM System
• 5.5 Guided Wave Applications to SHM of Aerospace Components
• 5.6 Summary
• References
• Chapter 6: Vibration Response-Based Damage Detection
• 6.1 Introduction
• 6.2 The Rationale of Vibration-Based Methods
• 6.3 Environmental and Operational Influences
• 6.4 Modal-Based Methods and Damage Features
• 6.4.1 Natural Frequencies
• 6.4.2 Mode Shapes
• 6.4.3 Modal Slope
• 6.4.4 Modal Curvature
• 6.4.5 Strain Energy
• 6.4.6 Damping
• 6.4.7 Interpolation Error
• 6.5 Time Series Methods
• 6.5.1 Autoregressive Parameters
• 6.5.2 Intrinsic Mode Function and Hilbert Spectrum
• 6.5.3 Signal Components
• 6.5.4 Damage Indices Based on Extracted Features
• 6.5.5 Singular Spectrum Analysis (SSA)
• 6.5.6 First-Order Eigen Perturbation (FOEP) Technique
• 6.6 Time-Frequency Methods
• 6.6.1 Scalogram and Spectrogram
• 6.7 Drawbacks and Limitations
• 6.8 Case Studies
• 6.8.1 Vibration-Based Damage Detection in a Composite Plate by Means of Acceleration Responses
• 6.8.2 Numerical Comparison of Modal-Based Methods for Damage Detection
• 6.8.3 Vibration-Based Monitoring of a Scaled Wind Turbine Blade by Means of Acceleration and Strain Responses
• 6.9 Conclusions
• References
• Chapter 7: Acoustic Emission
• 7.1 Introduction
• 7.2 Basic Experimental Details and Parameters
• 7.3 Fracture Mode Characterization in Plate Structures
• 7.3.1 AE Source Types
• 7.3.2 Procedures for AE Source Identification
• 7.4 Localization.
• 7.5 Influence of Propagation
• 7.6 Different Sensor Types
• 7.7 Dedicated Aeronautics Applications and Examples
• 7.8 General Considerations
• References
• Chapter 8: Strain Monitoring
• 8.1 Strain Gauges
• 8.2 Optical Fiber Sensors
• 8.2.1 Introduction
• 8.2.2 Types of Optical Fiber Sensors
• 8.2.3 Interferometry
• 8.2.4 Mach-Zehnder
• 8.2.5 Michelson Interferometer
• 8.2.6 Sagnac Interferometer
• 8.2.7 Fabry-Pérot
• 8.2.8 Fiber Bragg Grating Sensors
• 8.2.9 Other FBG Grating Structures
• 8.2.10 State-of-the Art Damage Detection Systems
• 8.2.11 Acoustic Emission Interrogator (OptimAE)
• 8.2.12 OFS Applications in Aeronautics
• 8.3 Strain-Based SHM
• References
• Chapter 9: Data Reduction Strategies
• 9.1 Introduction
• 9.2 Signal Processing
• 9.3 Data Reduction Strategies
• 9.3.1 Sampling Rates of Different SHM Methods
• 9.3.1.1 Ultrasonics
• 9.3.1.2 Vibration-Based Methods
• 9.3.1.3 Acoustic Emission
• 9.3.1.4 Strain Monitoring
• 9.3.2 Established Approaches for Data Reduction
• 9.3.3 Open Challenges for Data Reduction in SHM Systems
• 9.3.3.1 Ultrasonic Systems
• 9.3.3.2 Reliability Issues Related to Loss of Information Via Data Reduction
• 9.4 Wireless Sensing Considerations
• 9.4.1 Network Topologies
• 9.4.2 Data Rates
• 9.4.3 Synchronization
• 9.4.4 Power Management and Consumption
• 9.4.5 Future Developments in Energy Harvesting and Power Management
• 9.5 Data Management
• 9.5.1 Reliability
• 9.5.2 Liability Issues
• 9.5.3 Ground-Based Systems
• 9.6 Conclusions
• References
• Chapter 10: Conclusions
• 10.1 Overview of the SHM Methods for Aerospace Integration
• 10.1.1 Ultrasonic Guided Wave Based Monitoring
• 10.1.2 Vibration-Based Monitoring
• 10.1.3 Acoustic Emission Monitoring
• 10.1.4 Strain-Based Monitoring
• 10.2 Defect Detectability.
• 10.3 Advantages and Disadvantages of SHM Techniques
• 10.4 Roadmap for SHM Integration in Future Aircraft
• 10.5 Future Research Directions
• Correction to: Structural Health Monitoring Damage Detection Systems for Aerospace.