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Produktbild: Computer Vision for Structural Dynamics and Health Monitoring

Computer Vision for Structural Dynamics and Health Monitoring

Aus der Reihe Wiley-ASME Press Series

164,99 €

inkl. gesetzl. MwSt., Versandkostenfrei

Beschreibung

Produktdetails

Einband

Gebundene Ausgabe

Erscheinungsdatum

05.11.2020

Verlag

John Wiley & Sons

Seitenzahl

256

Maße (L/B/H)

23,1/15,2/2 cm

Gewicht

499 g

Auflage

1. Auflage

Sprache

Englisch

ISBN

978-1-119-56658-8

Beschreibung

Produktdetails

Einband

Gebundene Ausgabe

Erscheinungsdatum

05.11.2020

Verlag

John Wiley & Sons

Seitenzahl

256

Maße (L/B/H)

23,1/15,2/2 cm

Gewicht

499 g

Auflage

1. Auflage

Sprache

Englisch

ISBN

978-1-119-56658-8

Herstelleradresse

Libri GmbH
Europaallee 1
36244 Bad Hersfeld
DE

Email: gpsr@libri.de

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  • Produktbild: Computer Vision for Structural Dynamics and Health Monitoring
  • List of Figures ix
     
    List of Tables xv
     
    Series Preface xvii
     
    Preface xix
     
    About the Companion Website xxi
     
    1 Introduction 1
     
    1.1 Structural Health Monitoring: A Quick Review 1
     
    1.2 Computer Vision Sensors for Structural Health Monitoring 3
     
    1.3 Organization of the Book 7
     
    2 Development of a Computer Vision Sensor for Structural Displacement Measurement 11
     
    2.1 Vision Sensor System Hardware 11
     
    2.2 Vision Sensor System Software: Template-Matching Techniques 15
     
    2.2.1 Area-Based Template Matching 16
     
    2.2.2 Feature-Based Template Matching 20
     
    2.3 Coordinate Conversion and Scaling Factors 22
     
    2.3.1 Camera Calibration Method 23
     
    2.3.2 Practical Calibration Method 25
     
    2.4 Representative Template Matching Algorithms 28
     
    2.4.1 Intensity-Based UCC Technique 28
     
    2.4.2 Gradient-Based Robust OCM Technique 33
     
    2.4.3 Vision Sensor Software Package and Operation 39
     
    2.5 Summary 40
     
    3 Performance Evaluation Through Laboratory and Field Tests 43
     
    3.1 Seismic Shaking Table Test 43
     
    3.2 Shaking Table Test of Frame Structure 1 46
     
    3.2.1 Test Description 46
     
    3.2.2 Subpixel Resolution 47
     
    3.2.3 Performance When Tracking Artificial Targets 48
     
    3.2.4 Performance When Tracking Natural Targets 49
     
    3.2.5 Error Quantification 51
     
    3.2.6 Evaluation of OCM and UCC Robustness 51
     
    3.3 Seismic Shaking Table Test of Frame Structure 2 56
     
    3.4 Free Vibration Test of a Beam Structure 59
     
    3.4.1 Test Description 59
     
    3.4.2 Evaluation of the Practical Calibration Method 60
     
    3.5 Field Test of a Pedestrian Bridge 63
     
    3.6 Field Test of a Highway Bridge 66
     
    3.7 Field Test of Two Railway Bridges 67
     
    3.7.1 Test Description 69
     
    3.7.2 Daytime Measurements 72
     
    3.7.3 Nighttime Measurements 72
     
    3.7.4 Field Performance Evaluation 75
     
    3.8 Remote Measurement of the Vincent Thomas Bridge 81
     
    3.9 Remote Measurement of the Manhattan Bridge 82
     
    3.10 Summary 87
     
    4 Application in Modal Analysis, Model Updating, and Damage Detection 89
     
    4.1 Experimental Modal Analysis 91
     
    4.1.1 Modal Analysis of a Frame 91
     
    4.1.2 Modal Analysis of a Beam 97
     
    4.2 Model Updating as a Frequency-Domain Optimization Problem 101
     
    4.3 Damage Detection 108
     
    4.3.1 Mode Shape Curvature-Based Damage Index 108
     
    4.3.2 Test Description 109
     
    4.3.3 Damage Detection Results 110
     
    4.4 Summary 112
     
    5 Application in Model Updating of Railway Bridges under Trainloads 115
     
    5.1 Field Measurement of Bridge Displacement under Trainloads 116
     
    5.2 Formulation of the Finite Element Model 118
     
    5.2.1 Modeling the Train-Track-Bridge Interaction 118
     
    5.2.2 Finite Element Model of the Railway Bridge 120
     
    5.3 Sensitivity Analysis and Finite Element Model Updating 121
     
    5.3.1 Model Updating as a Time-Domain Optimization Problem 122
     
    5.3.2 Sensitivity Analysis of Displacement and Acceleration Responses 123
     
    5.3.3 Finite Element Model Updating 127
     
    5.4 Dynamic Characteristics of Short-Span Bridges under Trainloads 130
     
    5.5 Summary 136
     
    6 Application in Simultaneously Identifying Structural Parameters and Excitation Forces 139
     
    6.1 Simultaneous Identification Using Vision-Based Displacement Measurements 140
     
    6.1.1 Structural Parameter Identification as a Time-Domain Optimization Problem 141
     
    6.1.2 Force Identification Based on Struct