Piezoelectric actuator design via multiobjective optimization methods:
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| Format: | Abschlussarbeit Elektronisch E-Book |
| Sprache: | English |
| Veröffentlicht: |
2005
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| Online-Zugang: | kostenfrei http://d-nb.info/977177653/34 Inhaltsverzeichnis |
| Beschreibung: | 1 Online-Ressource |
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Datensatz im Suchindex
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|---|---|
| adam_text | CONTENTS I
Contents
1 Introduction 1
1.1 Motivation 1
1.2 Objective 2
1.3 Scope 2
2 Piezoelectric Actuators 5
2.1 Piezoelectric Effect 5
2.2 Piezoelectric Actuators 8
2.3 Models of Piezoelectric Actuators 9
2.3.1 Nonparametric Models 9
2.3.2 Continuum Models 12
2.3.3 Finite Element Method 18
2.3.4 Lumped Parameter Models 18
2.4 Typical Design Goals 23
2.4.1 One Stroke Driving 23
2.4.2 Resonant Driving 23
2.5 State of the Art of Optimization of Piezoelectric Actuators 24
3 Multiobjective Optimization Methods 29
3.1 Basic Concepts of Multiobjective Optimization 29
3.2 Traditional Multiobjective Optimization Methods 31
3.2.1 Weighted Sum Method 32
3.2.2 e Constraint Method 33
3.2.3 Weighted Metric Methods 33
3.2.4 Value Function Method 34
3.3 Multiobjective Evolutionary Algorithms 35
3.3.1 Basic Principles of Evolutionary Algorithms 35
3.3.2 Fitness Assignment and Fitness Sharing 39
3.3.3 General Procedures of Multi objective Evolutionary Algorithms 41
3.3.4 Multiobjective Genetic Algorithm 42
3.3.5 Non dominated Sorting Genetic Algorithm 43
3.3.6 Strength Pareto Evolutionary Algorithm 43
II CONTENTS
3.3.7 Elitist Non dominated Sorting Genetic Algorithm 45
3.4 Constraint Handling in Multiobjective Evolutionary Algorithms 45
3.4.1 Methods based on Preserving Feasibility of Solutions 46
3.4.2 Methods based on Penalty Functions 46
3.4.3 Methods based on Feasibility and Domination of Solutions 47
3.5 Performance Metrics for Evaluating MOEAs 48
4 Multiobjective Optimization of Piezoelectric Transducers 51
4.1 Langevin Transducers 51
4.2 Performance Criteria 53
4.3 Determination of Optimal Prestress 57
4.3.1 Freely Vibrating Transducers 61
4.3.2 Transducers with a Mechanical Load 62
4.4 Modeling of Langevin Transducers using Transfer Matrix Methods 65
4.5 Optimization of Symmetrical Langevin type Transducers 70
4.5.1 Derivation of the Whole Transfer Matrix 71
4.5.2 Problem Formulation of the Symmetrical Transducer without Loads.... 73
4.5.3 Implementation of the Optimization Process 78
4.6 Optimization of Langevin type Transducers with a Stepped Horn 91
4.6.1 Derivation of the Whole Transfer Matrix 91
4.6.2 Problem Formulation of Transducers without Loads 92
4.6.3 Implementation of Optimization 95
4.6.4 Problem Formulation of Transducers with a Mechanical Load 105
4.6.5 Implementation of Optimization 108
5 Results and Discussions 113
5.1 Discussion of the Results for the Symmetrical Transducer 113
5.1.1 Analysis of the Results of the Optimization 114
5.1.2 Determination of the Preferred Solution 116
5.2 Discussion of the Results for Stepped horn Transducers without Load 122
5.2.1 Analysis of the Results of the Optimization 124
5.2.2 Determination of the Preferred Solution 125
5.3 Discussion of the Results for Stepped horn Transducers with Load 132
5.3.1 Analysis of the Results of the Optimization 134
5.3.2 Determination of the Preferred Solution 135
CONTENTS III
5.3.3 Load Characteristics of Stepped horn Transducers 139
6 Summary and Outlook 141
Appendix A Derivation of Individual Transfer Matrix 145
Appendix B Developed Programs 149
Bibliography 151
|
| adam_txt |
CONTENTS I
Contents
1 Introduction 1
1.1 Motivation 1
1.2 Objective 2
1.3 Scope 2
2 Piezoelectric Actuators 5
2.1 Piezoelectric Effect 5
2.2 Piezoelectric Actuators 8
2.3 Models of Piezoelectric Actuators 9
2.3.1 Nonparametric Models 9
2.3.2 Continuum Models 12
2.3.3 Finite Element Method 18
2.3.4 Lumped Parameter Models 18
2.4 Typical Design Goals 23
2.4.1 One Stroke Driving 23
2.4.2 Resonant Driving 23
2.5 State of the Art of Optimization of Piezoelectric Actuators 24
3 Multiobjective Optimization Methods 29
3.1 Basic Concepts of Multiobjective Optimization 29
3.2 Traditional Multiobjective Optimization Methods 31
3.2.1 Weighted Sum Method 32
3.2.2 e Constraint Method 33
3.2.3 Weighted Metric Methods 33
3.2.4 Value Function Method 34
3.3 Multiobjective Evolutionary Algorithms 35
3.3.1 Basic Principles of Evolutionary Algorithms 35
3.3.2 Fitness Assignment and Fitness Sharing 39
3.3.3 General Procedures of Multi objective Evolutionary Algorithms 41
3.3.4 Multiobjective Genetic Algorithm 42
3.3.5 Non dominated Sorting Genetic Algorithm 43
3.3.6 Strength Pareto Evolutionary Algorithm 43
II CONTENTS
3.3.7 Elitist Non dominated Sorting Genetic Algorithm 45
3.4 Constraint Handling in Multiobjective Evolutionary Algorithms 45
3.4.1 Methods based on Preserving Feasibility of Solutions 46
3.4.2 Methods based on Penalty Functions 46
3.4.3 Methods based on Feasibility and Domination of Solutions 47
3.5 Performance Metrics for Evaluating MOEAs 48
4 Multiobjective Optimization of Piezoelectric Transducers 51
4.1 Langevin Transducers 51
4.2 Performance Criteria 53
4.3 Determination of Optimal Prestress 57
4.3.1 Freely Vibrating Transducers 61
4.3.2 Transducers with a Mechanical Load 62
4.4 Modeling of Langevin Transducers using Transfer Matrix Methods 65
4.5 Optimization of Symmetrical Langevin type Transducers 70
4.5.1 Derivation of the Whole Transfer Matrix 71
4.5.2 Problem Formulation of the Symmetrical Transducer without Loads. 73
4.5.3 Implementation of the Optimization Process 78
4.6 Optimization of Langevin type Transducers with a Stepped Horn 91
4.6.1 Derivation of the Whole Transfer Matrix 91
4.6.2 Problem Formulation of Transducers without Loads 92
4.6.3 Implementation of Optimization 95
4.6.4 Problem Formulation of Transducers with a Mechanical Load 105
4.6.5 Implementation of Optimization 108
5 Results and Discussions 113
5.1 Discussion of the Results for the Symmetrical Transducer 113
5.1.1 Analysis of the Results of the Optimization 114
5.1.2 Determination of the Preferred Solution 116
5.2 Discussion of the Results for Stepped horn Transducers without Load 122
5.2.1 Analysis of the Results of the Optimization 124
5.2.2 Determination of the Preferred Solution 125
5.3 Discussion of the Results for Stepped horn Transducers with Load 132
5.3.1 Analysis of the Results of the Optimization 134
5.3.2 Determination of the Preferred Solution 135
CONTENTS III
5.3.3 Load Characteristics of Stepped horn Transducers 139
6 Summary and Outlook 141
Appendix A Derivation of Individual Transfer Matrix 145
Appendix B Developed Programs 149
Bibliography 151 |
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| author | Fu, Bo 1969- |
| author_GND | (DE-588)130550426 |
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| dewey-full | 681.2 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 681 - Precision instruments and other devices |
| dewey-raw | 681.2 |
| dewey-search | 681.2 |
| dewey-sort | 3681.2 |
| dewey-tens | 680 - Manufacture of products for specific uses |
| discipline | Handwerk und Gewerbe / Verschiedene Technologien |
| discipline_str_mv | Handwerk und Gewerbe / Verschiedene Technologien |
| format | Thesis Electronic eBook |
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| spelling | Fu, Bo 1969- Verfasser (DE-588)130550426 aut Piezoelectric actuator design via multiobjective optimization methods von Bo Fu 2005 1 Online-Ressource txt rdacontent c rdamedia cr rdacarrier Paderborn, Univ., Diss., 2005 Langzeitarchivierung in Der Deutschen Bibliothek gewährleistet (DE-588)4113937-9 Hochschulschrift gnd-content http://ubdata.uni-paderborn.de/ediss/10/2005/fu/ Verlag kostenfrei http://d-nb.info/977177653/34 Langzeitarchivierung Nationalbibliothek HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=014787592&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Fu, Bo 1969- Piezoelectric actuator design via multiobjective optimization methods |
| subject_GND | (DE-588)4113937-9 |
| title | Piezoelectric actuator design via multiobjective optimization methods |
| title_auth | Piezoelectric actuator design via multiobjective optimization methods |
| title_exact_search | Piezoelectric actuator design via multiobjective optimization methods |
| title_exact_search_txtP | Piezoelectric actuator design via multiobjective optimization methods |
| title_full | Piezoelectric actuator design via multiobjective optimization methods von Bo Fu |
| title_fullStr | Piezoelectric actuator design via multiobjective optimization methods von Bo Fu |
| title_full_unstemmed | Piezoelectric actuator design via multiobjective optimization methods von Bo Fu |
| title_short | Piezoelectric actuator design via multiobjective optimization methods |
| title_sort | piezoelectric actuator design via multiobjective optimization methods |
| topic_facet | Hochschulschrift |
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