Observer based fault detection in networked control systems:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Düsseldorf
VDI-Verl.
2008
|
| Ausgabe: | Als Ms. gedr. |
| Schriftenreihe: | Fortschrittberichte VDI
Reihe 8, Meß-, Steuerungs- und Regelungstechnik ; 1147 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | IX, 118 S. graph. Darst. 21 cm |
| ISBN: | 9783185147081 |
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Datensatz im Suchindex
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| adam_text | Contents
Notation and Symbols vii
1 Introduction 1
1.1 Objectives of the thesis 4
1.2 Outline of the thesis 5
2 Overview of Fault Detection and NCS 7
2.1 Principles of fault diagnosis 7
2.2 Analytical model based FD technique 10
2.2.1 Residual generation methods 11
2.2.2 Residual evaluation task 13
2.3 Observer based fault detection 13
2.3.1 Residual generation 14
2.3.2 Residual evaluation 22
2.4 Fundamentals of NCS 25
2.4.1 NCS structures 26
2.4.2 Communication Networks 27
2.4.3 Ethernet in Automation Industry 29
2.5 Problem formulation 34
3 Modelling of NCS 36
3.1 Technical features of NCS 36
3.2 NCS Model 38
3.3 Example 47
3.4 Summary 50
4 Residual Generation 51
4.1 Observer based residual generator for NCS 51
4.1.1 Problem formulation 51
4.1.2 Solution for the proposed problem 51
4.2 Optimal postfilter for fault detection in NCS 54
4.2.1 i/„j-observer design 55
4.2.2 Optimal design of postfilter 57
4.3 Example 58
4.4 Summary 59
5 Residual Evaluation 60
5.1 Problem formulation 60
v
Contents ______
5.2 Statistical based residual evaluation 63
5.2.1 Residual evaluation function 65
5.2.2 Selection of detection threshold 66
5.3 Example 67
5.4 Summary 69
6 Analysis of Networked Fault Detection System 70
6.1 Problem formulation 70
6.2 Estimation of FAR 72
6.3 Example 73
6.4 Summary 74
7 Simulation Results 75
7.1 Experimental platform 75
7.2 Local Station 76
7.2.1 Controlled process 76
7.2.2 Local Controller design 83
7.3 Network emulation tool 85
7.4 Central Station 86
7.4.1 NFDS design 86
7.4.2 Residual generator 87
7.4.3 Residual evaluation 87
7.4.4 Analysis of Performance detection 88
7.5 Experimental results 89
7.6 Summary 93
8 Conclusions and future directions 94
A Parameters of the inverted pendulum 96
B Numerical value of the Simulation study 97
B.l Parameters of the NCS model 97
B.2 Parameters of the residual generator 99
C Lemmas 102
C.l Lemma for calculation of CIOF 102
C.2 Lemma for calculation of the postfilter 102
C.3 Lemma for Schur complement 102
D Proofs 104
D.l Proof of Theorem 2 104
D.2 Proof of Theorem 3 105
Bibliography 109
vi
|
| adam_txt |
Contents
Notation and Symbols vii
1 Introduction 1
1.1 Objectives of the thesis 4
1.2 Outline of the thesis 5
2 Overview of Fault Detection and NCS 7
2.1 Principles of fault diagnosis 7
2.2 Analytical model based FD technique 10
2.2.1 Residual generation methods 11
2.2.2 Residual evaluation task 13
2.3 Observer based fault detection 13
2.3.1 Residual generation 14
2.3.2 Residual evaluation 22
2.4 Fundamentals of NCS 25
2.4.1 NCS structures 26
2.4.2 Communication Networks 27
2.4.3 Ethernet in Automation Industry 29
2.5 Problem formulation 34
3 Modelling of NCS 36
3.1 Technical features of NCS 36
3.2 NCS Model 38
3.3 Example 47
3.4 Summary 50
4 Residual Generation 51
4.1 Observer based residual generator for NCS 51
4.1.1 Problem formulation 51
4.1.2 Solution for the proposed problem 51
4.2 Optimal postfilter for fault detection in NCS 54
4.2.1 i/„j-observer design 55
4.2.2 Optimal design of postfilter 57
4.3 Example 58
4.4 Summary 59
5 Residual Evaluation 60
5.1 Problem formulation 60
v
Contents _
5.2 Statistical based residual evaluation 63
5.2.1 Residual evaluation function 65
5.2.2 Selection of detection threshold 66
5.3 Example 67
5.4 Summary 69
6 Analysis of Networked Fault Detection System 70
6.1 Problem formulation 70
6.2 Estimation of FAR 72
6.3 Example 73
6.4 Summary 74
7 Simulation Results 75
7.1 Experimental platform 75
7.2 Local Station 76
7.2.1 Controlled process 76
7.2.2 Local Controller design 83
7.3 Network emulation tool 85
7.4 Central Station 86
7.4.1 NFDS design 86
7.4.2 Residual generator 87
7.4.3 Residual evaluation 87
7.4.4 Analysis of Performance detection 88
7.5 Experimental results 89
7.6 Summary 93
8 Conclusions and future directions 94
A Parameters of the inverted pendulum 96
B Numerical value of the Simulation study 97
B.l Parameters of the NCS model 97
B.2 Parameters of the residual generator 99
C Lemmas 102
C.l Lemma for calculation of CIOF 102
C.2 Lemma for calculation of the postfilter 102
C.3 Lemma for Schur complement 102
D Proofs 104
D.l Proof of Theorem 2 104
D.2 Proof of Theorem 3 105
Bibliography 109
vi |
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| author | Salami, Ibrahim al- 1970- |
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| dewey-full | 629.8315 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 629 - Other branches of engineering |
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| dewey-search | 629.8315 |
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| dewey-tens | 620 - Engineering and allied operations |
| discipline | Mathematik Mess-/Steuerungs-/Regelungs-/Automatisierungstechnik / Mechatronik |
| discipline_str_mv | Mathematik Mess-/Steuerungs-/Regelungs-/Automatisierungstechnik / Mechatronik |
| edition | Als Ms. gedr. |
| format | Thesis Book |
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| index_date | 2024-07-02T22:16:20Z |
| indexdate | 2024-07-09T21:22:28Z |
| institution | BVB |
| isbn | 9783185147081 |
| language | English |
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| physical | IX, 118 S. graph. Darst. 21 cm |
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| series | Fortschrittberichte VDI |
| series2 | Fortschrittberichte VDI : Reihe 8, Meß-, Steuerungs- und Regelungstechnik |
| spelling | Salami, Ibrahim al- 1970- Verfasser (DE-588)136234011 aut Observer based fault detection in networked control systems Ibrahim al- Salami Als Ms. gedr. Düsseldorf VDI-Verl. 2008 IX, 118 S. graph. Darst. 21 cm txt rdacontent n rdamedia nc rdacarrier Fortschrittberichte VDI : Reihe 8, Meß-, Steuerungs- und Regelungstechnik 1147 Zugl.: Duisburg-Essen, Univ., Diss., 2008 Paketvermittlung (DE-588)4173101-3 gnd rswk-swf Beobachter Kybernetik (DE-588)4139504-9 gnd rswk-swf Dienstgüte (DE-588)4496068-2 gnd rswk-swf Fehlererkennung (DE-588)4133764-5 gnd rswk-swf Prozesskommunikation (DE-588)4176067-0 gnd rswk-swf Echtzeitverarbeitung (DE-588)4151002-1 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Prozesskommunikation (DE-588)4176067-0 s Echtzeitverarbeitung (DE-588)4151002-1 s Fehlererkennung (DE-588)4133764-5 s Beobachter Kybernetik (DE-588)4139504-9 s Paketvermittlung (DE-588)4173101-3 s Dienstgüte (DE-588)4496068-2 s DE-604 Fortschrittberichte VDI Reihe 8, Meß-, Steuerungs- und Regelungstechnik ; 1147 (DE-604)BV000882482 1147 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=016775436&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Salami, Ibrahim al- 1970- Observer based fault detection in networked control systems Fortschrittberichte VDI Paketvermittlung (DE-588)4173101-3 gnd Beobachter Kybernetik (DE-588)4139504-9 gnd Dienstgüte (DE-588)4496068-2 gnd Fehlererkennung (DE-588)4133764-5 gnd Prozesskommunikation (DE-588)4176067-0 gnd Echtzeitverarbeitung (DE-588)4151002-1 gnd |
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| title | Observer based fault detection in networked control systems |
| title_auth | Observer based fault detection in networked control systems |
| title_exact_search | Observer based fault detection in networked control systems |
| title_exact_search_txtP | Observer based fault detection in networked control systems |
| title_full | Observer based fault detection in networked control systems Ibrahim al- Salami |
| title_fullStr | Observer based fault detection in networked control systems Ibrahim al- Salami |
| title_full_unstemmed | Observer based fault detection in networked control systems Ibrahim al- Salami |
| title_short | Observer based fault detection in networked control systems |
| title_sort | observer based fault detection in networked control systems |
| topic | Paketvermittlung (DE-588)4173101-3 gnd Beobachter Kybernetik (DE-588)4139504-9 gnd Dienstgüte (DE-588)4496068-2 gnd Fehlererkennung (DE-588)4133764-5 gnd Prozesskommunikation (DE-588)4176067-0 gnd Echtzeitverarbeitung (DE-588)4151002-1 gnd |
| topic_facet | Paketvermittlung Beobachter Kybernetik Dienstgüte Fehlererkennung Prozesskommunikation Echtzeitverarbeitung Hochschulschrift |
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