Reducing braking distance by control of semi-active suspension:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Düsseldorf
VDI-Verl.
2007
|
| Ausgabe: | Als Ms. gedr. |
| Schriftenreihe: | Fortschritt-Berichte VDI
Reihe 12, Verkehrstechnik/Fahrzeugtechnik ; 640 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Zugl.: Darmstadt, Techn. Univ., Diss. |
| Beschreibung: | XV, 164 S. Ill., graph. Darst. |
| ISBN: | 9783183640126 |
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Datensatz im Suchindex
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| adam_text | Contents
List of Abbreviations ix
List of Symbols and Indices x
Abstract xv
1 Introduction 1
1.1 Classification of Suspension Systems 1
1.2 State of the Art 3
1.3 Research Objectives 11
1.4 Methodology 12
2 Fundamentals of Vehicle Dynamics 14
2.1 Coordinate Systems 14
2.2 The Braking Process 16
2.2.1 The Quality of a Braking Process 23
2.2.2 Parameters that Influence the Braking Distance 24
2.3 Possibilities to Influence the Braking Force 26
2.3.1 Influence via Braking Torque—ABS 30
2.3.2 Influence via Wheel Load—Active Shock Absorbers 34
2.4 Conclusions 35
3 Tools and Research Environment 36
3.1 Active Shock Absorbers 36
3.2 Testing Vehicle 38
3.2.1 Testing Vehicle Specifications 39
3.2.2 Testing Vehicle Measurement System 39
3.2.3 Measuring Rim 44
3.2.4 Indirect Measurands 45
3.3 4 Post Test Rig 02
3.4 Test Tracks 53
3.4.1 Test Track Defined Obstacles 53
3.4.2 Test Track Standard Road 55
3.5 Conclusions 59
vü
4 Vertical Dynamics 60
4.1 Definitions 61
4.2 Possibilities to Influence Wheel Load 62
4.3 Quarter Car Model and Simulation 64
4.4 Wheel Load Controller—MiniMax Controller 74
4.4.1 Artificial Characteristic Lines 76
4.4.2 Lowering and Lifting of the Vehicle s Body 78
4.5 Test Drives on a Typical German Autobahn 81
4.6 Test Rig Experiments 86
4.6.1 Method 86
4.6.2 Results 91
4.6.3 Comparison of Simulation and Experiment 102
4.7 Conclusions 107
5 longitudinal Dynamics 109
5.1 Definitions 109
5.2 Connecting Wheel Load and Braking Slip/Braking Force 114
5.2.1 Theoretical Approach 114
5.2.2 Test Drives to Validate the Connection Between Wheel Load and
Braking Force/Braking Slip 117
5.3 Slip Controller 123
5.3.1 Demands on the Actuator in the Time Frame 126
5.3.2 Demands on the Actuator in the Magnitude Frame 127
5.4 Reducing the Braking Distance 127
5.4.1 Experimental Setting 127
5.4.2 Results for Uncontrolled Shock Absorbers 129
5.4.3 Results for Controlled Shock Absorbers 132
5.5 Conclusions 141
6 Discussion and Outlook 143
6.1 Results 143
6.2 Transferability of Results 144
6.3 Relevance of Results for Other Systems 145
6.4 Outlook 146
7 Summary 148
Bibliography 150
Student Research Work Advised 161
Own Publications 164
viii
|
| adam_txt |
Contents
List of Abbreviations ix
List of Symbols and Indices x
Abstract xv
1 Introduction 1
1.1 Classification of Suspension Systems 1
1.2 State of the Art 3
1.3 Research Objectives 11
1.4 Methodology 12
2 Fundamentals of Vehicle Dynamics 14
2.1 Coordinate Systems 14
2.2 The Braking Process 16
2.2.1 The Quality of a Braking Process 23
2.2.2 Parameters that Influence the Braking Distance 24
2.3 Possibilities to Influence the Braking Force 26
2.3.1 Influence via Braking Torque—ABS 30
2.3.2 Influence via Wheel Load—Active Shock Absorbers 34
2.4 Conclusions 35
3 Tools and Research Environment 36
3.1 Active Shock Absorbers 36
3.2 Testing Vehicle 38
3.2.1 Testing Vehicle Specifications 39
3.2.2 Testing Vehicle Measurement System 39
3.2.3 Measuring Rim 44
3.2.4 Indirect Measurands 45
3.3 4 Post Test Rig 02
3.4 Test Tracks 53
3.4.1 Test Track 'Defined Obstacles' 53
3.4.2 Test Track 'Standard Road' 55
3.5 Conclusions 59
vü
4 Vertical Dynamics 60
4.1 Definitions 61
4.2 Possibilities to Influence Wheel Load 62
4.3 Quarter Car Model and Simulation 64
4.4 Wheel Load Controller—MiniMax Controller 74
4.4.1 Artificial Characteristic Lines 76
4.4.2 Lowering and Lifting of the Vehicle's Body 78
4.5 Test Drives on a Typical German Autobahn 81
4.6 Test Rig Experiments 86
4.6.1 Method 86
4.6.2 Results 91
4.6.3 Comparison of Simulation and Experiment 102
4.7 Conclusions 107
5 longitudinal Dynamics 109
5.1 Definitions 109
5.2 Connecting Wheel Load and Braking Slip/Braking Force 114
5.2.1 Theoretical Approach 114
5.2.2 Test Drives to Validate the Connection Between Wheel Load and
Braking Force/Braking Slip 117
5.3 Slip Controller 123
5.3.1 Demands on the Actuator in the Time Frame 126
5.3.2 Demands on the Actuator in the Magnitude Frame 127
5.4 Reducing the Braking Distance 127
5.4.1 Experimental Setting 127
5.4.2 Results for Uncontrolled Shock Absorbers 129
5.4.3 Results for Controlled Shock Absorbers 132
5.5 Conclusions 141
6 Discussion and Outlook 143
6.1 Results 143
6.2 Transferability of Results 144
6.3 Relevance of Results for Other Systems 145
6.4 Outlook 146
7 Summary 148
Bibliography 150
Student Research Work Advised 161
Own Publications 164
viii |
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| author | Niemz, Tobias |
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| dewey-ones | 629 - Other branches of engineering |
| dewey-raw | 629.24 |
| dewey-search | 629.24 |
| dewey-sort | 3629.24 |
| dewey-tens | 620 - Engineering and allied operations |
| discipline | Verkehr / Transport |
| discipline_str_mv | Verkehr / Transport |
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| id | DE-604.BV022415598 |
| illustrated | Illustrated |
| index_date | 2024-07-02T17:23:47Z |
| indexdate | 2025-02-20T06:41:48Z |
| institution | BVB |
| isbn | 9783183640126 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-015623993 |
| oclc_num | 180138667 |
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| physical | XV, 164 S. Ill., graph. Darst. |
| publishDate | 2007 |
| publishDateSearch | 2007 |
| publishDateSort | 2007 |
| publisher | VDI-Verl. |
| record_format | marc |
| series | Fortschritt-Berichte VDI |
| series2 | Fortschritt-Berichte VDI : Reihe 12, Verkehrstechnik/Fahrzeugtechnik |
| spellingShingle | Niemz, Tobias Reducing braking distance by control of semi-active suspension Fortschritt-Berichte VDI Bremskraftregelung (DE-588)4208594-9 gnd Stoßdämpfer (DE-588)4140206-6 gnd Bremsweg (DE-588)4260009-1 gnd Reduktion (DE-588)4177306-8 gnd Antiblockiersystem (DE-588)4272354-1 gnd Personenkraftwagen (DE-588)4076001-7 gnd |
| subject_GND | (DE-588)4208594-9 (DE-588)4140206-6 (DE-588)4260009-1 (DE-588)4177306-8 (DE-588)4272354-1 (DE-588)4076001-7 (DE-588)4113937-9 |
| title | Reducing braking distance by control of semi-active suspension |
| title_auth | Reducing braking distance by control of semi-active suspension |
| title_exact_search | Reducing braking distance by control of semi-active suspension |
| title_exact_search_txtP | Reducing braking distance by control of semi-active suspension |
| title_full | Reducing braking distance by control of semi-active suspension Tobias Niemz |
| title_fullStr | Reducing braking distance by control of semi-active suspension Tobias Niemz |
| title_full_unstemmed | Reducing braking distance by control of semi-active suspension Tobias Niemz |
| title_short | Reducing braking distance by control of semi-active suspension |
| title_sort | reducing braking distance by control of semi active suspension |
| topic | Bremskraftregelung (DE-588)4208594-9 gnd Stoßdämpfer (DE-588)4140206-6 gnd Bremsweg (DE-588)4260009-1 gnd Reduktion (DE-588)4177306-8 gnd Antiblockiersystem (DE-588)4272354-1 gnd Personenkraftwagen (DE-588)4076001-7 gnd |
| topic_facet | Bremskraftregelung Stoßdämpfer Bremsweg Reduktion Antiblockiersystem Personenkraftwagen Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=015623993&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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Inhaltsverzeichnis
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