Broadband vibration control of spatially distributed smart structures:
Saved in:
| Main Author: | |
|---|---|
| Format: | Thesis Book |
| Language: | English |
| Published: |
Düsseldorf
VDI-Verl.
2009
|
| Edition: | Als Ms. gedr. |
| Series: | Fortschritt-Berichte VDI
Reihe 8, Mess-, Steuerungs- und Regelungstechnik ; 1156 |
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | XX, 155 S. Ill., graph. Darst. 21 cm |
| ISBN: | 9783185156083 |
Staff View
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Record in the Search Index
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Titel: Broadband vibration control of spatially distributed smart structures
Autor: Dennerlein, Jürgen
Jahr: 2009
Table of Contents
1 Introduction 1
1.1 Motivation 1
1.2 Objective 3
1.3 Scope 4
2 Literature Review 6
2.1 Conclusions 11
3 Concepts of Structural Dynamics 13
3.1 Introduction 13
3.2 Structural Modes 14
3.3 Modal Decomposition 15
3.4 State-Space Representation 17
3.5 Structural Transfer Functions 17
4 Cantilever Beam Model 19
4.1 Introduction 19
4.2 Assumptions 20
4.3 PatchActuator 21
4.4 Patch Sensor 23
4.5 Strain and Stress Distribution 24
4.6 Actuator-Sensor Coupling 27
4.7 Correction Factor 2i*
4.8 Modal Truncation 29
4.9 Advanced Beam Model 31
4.10 Verification 32
4.10.1 Eigenfrequencies ¦ 32
4.10.2 Actuator-Sensor Coupling 35
4.10.3 Correction factor and Residual Mode 36
4.10.4 Frequency Response 37
4.11 Conclusions 40
5 Modal Parameter Estimation 42
5.1 Introduction 42
5.2 Assumptions 43
5.3 Half-Power Bandwidth Method 43
5.4 Extreme Values Method 45
5.5 Error Sources 45
5.5.1 Measurement Noise, Non-Linearity and Leakage 46
5.5.2 Resonance Amplitude 46
5.5.3 Characteristic Frequencies 47
5.5.4 Adjacent Modes 48
5.6 Error Estimation 49
5.7 Verification 50
5.7.1 Single Error Estimate 50
5.7.2 Worst Case Error Estimate 53
5.7.3 Synthetic Modal Analysis 53
5.7.4 Experimental Modal Analysis 56
5.8 Conclusions 58
1
6 Concepts of System Norms 59
6.1 Introduction 59
6.2 Local System Norms 59
6.3 Spatial System Norms 61
7 Model Based Feedforward Control 63
7.1 Introduction 63
7.2 Control by System Inversion 64
7.3 State-Space Based Control 65
7.4 Spatially Distributed Systems 67
7.4.1 Constant Control . 68
7.4.2 Theoretical Limits of Control 70
7.4.3 Optimum Control . 71
7.5 Frequency Selective Control . 76
7.5.1 4-th Order Bandpass . 77
7.5.2 Standard Bandpasses 81
7.6 Multiple Control Inputs 82
7.7 Verification 85
7.7.1 Optimum Control 85
7.7.2 Frequency Selective Control 89
7.7.3 Comparison of Approaches 90
7.7.4 Experimental Validation 94
7.8 Conclusions 98
8 Actuator Placement Methodology 100
8.1 Introduction 100
8.2 Impact of Modal Excitation 101
8.3 Weighted Modal Space 103
8.4 Controllability Measures 105
8.5 Actuator Placement Methodology 107
8.6 Verification 109
8.6.1 Placement for Excitation 110
8.6.2 Placement for Control 110
8.6.3 Experimental Validation 113
8.7 Conclusions 116
9 Extension to Finite Cylinders I*8
9.1 Introduction I18
9.2 Structural Model H9
9.3 AcousticModel 120
9.4 Structural-Acoustic Coupling 121
9.5 Cylinder System Excitation 123
9.6 Conclusions 124
10 Conclusions and Future Research 125
10.1 Conclusions 125
10.2 Future Research 127
Appendix 129
A Modal Analysis of a Cantilever Beam 129
A.1 Longitudinal Mode Shapes 129
A.I.I Differential Equation of Longitudinal Motion 129
A. 1.2 Solution of Homogeneous Equation of Motion 130
A.2 Bending Mode Shapes 132
A.2.1 Differential Equation of Bending Motion 132
A.2.2 Solution of Homogeneous Equation of Motion 133
B Hennitian Quadratic Function 136
C Simulation Results 139
D Measurement Data 141
References 145 |
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| indexdate | 2025-01-14T09:01:01Z |
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| isbn | 9783185156083 |
| language | English |
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| publishDate | 2009 |
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| series2 | Fortschritt-Berichte VDI : Reihe 8, Mess-, Steuerungs- und Regelungstechnik |
| spelling | Dennerlein, Jürgen Verfasser aut Broadband vibration control of spatially distributed smart structures Jürgen Dennerlein Als Ms. gedr. Düsseldorf VDI-Verl. 2009 XX, 155 S. Ill., graph. Darst. 21 cm txt rdacontent n rdamedia nc rdacarrier Fortschritt-Berichte VDI : Reihe 8, Mess-, Steuerungs- und Regelungstechnik 1156 Zugl.: Magdeburg, Univ., Diss., 2008 Adaptives System - Balken - Intelligenter Werkstoff - Aktive Schwingungsdämpfung - Störgrößenaufschaltung - Reglerentwurf Störgrößenaufschaltung (DE-588)4465428-5 gnd rswk-swf Aktive Schwingungsdämpfung (DE-588)4202585-0 gnd rswk-swf Reglerentwurf (DE-588)4177447-4 gnd rswk-swf Balken (DE-588)4004336-8 gnd rswk-swf Adaptives System (DE-588)4247928-9 gnd rswk-swf Intelligenter Werkstoff (DE-588)4274825-2 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Adaptives System (DE-588)4247928-9 s Balken (DE-588)4004336-8 s Intelligenter Werkstoff (DE-588)4274825-2 s Aktive Schwingungsdämpfung (DE-588)4202585-0 s Störgrößenaufschaltung (DE-588)4465428-5 s Reglerentwurf (DE-588)4177447-4 s DE-604 Fortschritt-Berichte VDI Reihe 8, Mess-, Steuerungs- und Regelungstechnik ; 1156 (DE-604)BV000882482 1156 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=017559674&sequence=000004&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Dennerlein, Jürgen Broadband vibration control of spatially distributed smart structures Fortschritt-Berichte VDI Adaptives System - Balken - Intelligenter Werkstoff - Aktive Schwingungsdämpfung - Störgrößenaufschaltung - Reglerentwurf Störgrößenaufschaltung (DE-588)4465428-5 gnd Aktive Schwingungsdämpfung (DE-588)4202585-0 gnd Reglerentwurf (DE-588)4177447-4 gnd Balken (DE-588)4004336-8 gnd Adaptives System (DE-588)4247928-9 gnd Intelligenter Werkstoff (DE-588)4274825-2 gnd |
| subject_GND | (DE-588)4465428-5 (DE-588)4202585-0 (DE-588)4177447-4 (DE-588)4004336-8 (DE-588)4247928-9 (DE-588)4274825-2 (DE-588)4113937-9 |
| title | Broadband vibration control of spatially distributed smart structures |
| title_auth | Broadband vibration control of spatially distributed smart structures |
| title_exact_search | Broadband vibration control of spatially distributed smart structures |
| title_full | Broadband vibration control of spatially distributed smart structures Jürgen Dennerlein |
| title_fullStr | Broadband vibration control of spatially distributed smart structures Jürgen Dennerlein |
| title_full_unstemmed | Broadband vibration control of spatially distributed smart structures Jürgen Dennerlein |
| title_short | Broadband vibration control of spatially distributed smart structures |
| title_sort | broadband vibration control of spatially distributed smart structures |
| topic | Adaptives System - Balken - Intelligenter Werkstoff - Aktive Schwingungsdämpfung - Störgrößenaufschaltung - Reglerentwurf Störgrößenaufschaltung (DE-588)4465428-5 gnd Aktive Schwingungsdämpfung (DE-588)4202585-0 gnd Reglerentwurf (DE-588)4177447-4 gnd Balken (DE-588)4004336-8 gnd Adaptives System (DE-588)4247928-9 gnd Intelligenter Werkstoff (DE-588)4274825-2 gnd |
| topic_facet | Adaptives System - Balken - Intelligenter Werkstoff - Aktive Schwingungsdämpfung - Störgrößenaufschaltung - Reglerentwurf Störgrößenaufschaltung Aktive Schwingungsdämpfung Reglerentwurf Balken Adaptives System Intelligenter Werkstoff Hochschulschrift |
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