Fault investigation and robust failure detection of oscillating aircraft actuation systems using analytical redundancy:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Aachen
Shaker
2010
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| Schriftenreihe: | Schriftenreihe Flugzeug-Systemtechnik
2009,6 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XXII, 161 S. graph. Darst. |
| ISBN: | 9783832288402 |
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Datensatz im Suchindex
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| adam_text | CONTENTS SYMBOLS AND ABBREVIATIONS XIII 1 INTRODUCTION 1 1.1 CONTEXT AND
PROBLEM 1 1.2 OSCILLATORY FAILURE CASES (OFCS) 2 1.3 OBJECTIVES AND
APPROACH 6 1.4 SCOPE AND STRUCTURE OF THE THESIS 7 2 STATE OF THE ART 9
2.1 OVERVIEW 9 2.2 HYPOTHESES ABOUT OFC SOURCES 9 2.2.1 OFCS DUE TO
ERRONEOUS SIGNAL AND DATA PROCESSING 11 2.2.2 SELF OSCILLATIONS OF
SINGLE COMPONENTS 13 2.2.3 MECHANICAL FAULT CAUSES 14 2.2.4 FURTHER OFC
SOURCES 15 2.2.5 EXAMPLE OF AN OFC IN-SERVICE INCIDENT 16 2.2.6
PILOT-INDUCED OSCILLATIONS (PIOS) 18 2.3 FAILURE DETECTION AND FAULT
DIAGNOSIS 19 2.4 MONITORING SYSTEM CONCEPTS 21 2.4.1 REFERENCE
MONITORING SYSTEM 21 2.4.2 OTHER MONITORING SYSTEM CONCEPTS FROM PATENT
RESEARCH ... 23 2.4.3 OSCILLATORY FAILURE IDENTIFICATION SYSTEM (OFIS)
27 2.4.4 CURRENT RESEARCH ON MODEL-BASED OFC DETECTION 29 2.5 SUMMARY 30
3 SYSTEM DESCRIPTION, MODELING, AND VALIDATION 33 3.1 OVERVIEW 33 3.2
PRIMARY FLIGHT CONTROL SYSTEM (PFCS) 33 3.3 MODELING OF AN EXEMPLARY PFC
ACTUATION SYSTEM 35 3.3.1 GENERAL DESCRIPTION 35 3.3.2
VOLTAGE-TO-CURRENT CONVERTER 36 BIBLIOGRAFISCHE INFORMATIONEN
HTTP://D-NB.INFO/1000213862 DIGITALISIERT DURCH 5.3 OBSERVER-BASED OFC
DETECTION 97 X CONTENTS 3.3.3 ELECTRO-HYDRAULIC SERVO VALVE (EHSV) 40
3.3.4 MODE SELECTOR VALVE AND DAMPING FORCE 46 3.3.5 PISTON CHAMBER
FLOWS AND PRESSURE CHANGE 47 3.3.6 ACTUATOR DYNAMICS AND
AEROSERVOELASTIC COUPLING 49 3.3.7 MODEL DISCRETIZATION 51 3.4
EXPERIMENTAL TEST RIG AND AEROSERVOELASTIC SIMULATION ENVIRONMENT . 52
3.5 MODEL VALIDATION 56 3.5.1 TIME DOMAIN ANALYSES 56 3.5.2 FREQUENCY
DOMAIN ANALYSES 60 3.6 MODEL LINEARIZATION 63 3.7 SUMMARY 64 4
INVESTIGATION OF OFC SOURCES 65 4.1 OVERVIEW 65 4.2 OFCS DUE TO
ERRONEOUS DIGITAL SIGNAL PROCESSING 66 4.2.1 DESTABILIZATION DUE TO
INCREASED SAMPLING AND DELAY TIMES . 67 4.2.2 A/D CONVERSION FAILURES 75
4.3 OFCS DUE TO SELF OSCILLATING COMPONENTS 80 4.4 OFCS DUE TO
MECHANICAL DEFECTS AND DEFICIENCIES 81 4.4.1 BREAKAGE OF THE EHSV
FEEDBACK SPRING 82 4.4.2 REDUCED STIFFNESS OF THE EHSV FEEDBACK SPRING
85 4.4.3 BACKLASH IN THE EHSV CENTERING MECHANISM 87 4.4.4 INTERMITTENT
OPEN LOOP CONDITION 88 4.5 FURTHER OFC SOURCES 90 4.5.1 INFINITE GAIN OF
THE VOLTAGE-TO-CURRENT CONVERTER 91 4.6 DESIGN RECOMMENDATIONS 92 4.7
SUMMARY 93 5 OFC MONITORING SYSTEM 95 5.1 OVERVIEW 95 5.2 CONSTRAINTS
AND REQUIREMENTS OF OFC DETECTION 96 C.3.3 SERVO VALVE 140 CONTENTS XI
5.3.1 DISTURBANCE OBSERVER 99 5.4 OFC MONITORING SYSTEM (OFC-MS) 106
5.4.1 DESIGN METHODOLOGY 106 5.4.2 TESTING THE MONITORING PERFORMANCE
110 5.4.3 RESULTS WITH THE DISTURBANCE OBSERVER 112 5.4.4 RUNAWAY
DETECTION 113 5.4.5 EXTENSION TO OTHER PFC ACTUATION SYSTEMS 117 5.4.6
PROSPECTS 118 5.5 SUMMARY 118 6 REDUCTION OF FAILURE CASE LOADS 121 6.1
OVERVIEW 121 6.2 AEROELASTIC AIRCRAFT MODEL 121 6.3 REDUCTION OF
OFC-INDUCED LOADS FOR A SINGLE I/O PATH 123 6.4 OFC-MS PERFORMANCE
ASSESSMENT USING ALLOWABLE ANGLES 125 6.5 SUMMARY 128 7 SUMMARY,
CONCLUSIONS, AND PERSPECTIVE 129 7.1 SUMMARY AND CONCLUSIONS 129 7.2
PERSPECTIVE 131 APPENDICES 133 A CONFIRMATION TIME INTERVAL OF
SIGNAL-BASED RUNAWAY MONITORING (RM) 133 B MODEL OF THE OPERATIONAL
AMPLIFIER (OPAMP) 135 C LINEAR ACTUATION SYSTEM MODEL 136 C.I
LINEARIZATION 136 C.2 STATE SPACE REPRESENTATION OF THE ACTUATION SYSTEM
MODEL 138 C.3 SEGREGATION IN SUBSYSTEM PARTS 139 C.3.1 CONTROL SURFACE
139 C.3.2 EQUATION OF MOTION OF THE ACTIVE ACTUATOR 140 BIBLIOGRAPHY 151
XII CONTENTS C.3.4 CHAMBER FLOW AND PRESSURE CHANGE OF THE ACTIVE
ACTUATOR . . 140 C.3.5 STAND-BY ACTUATOR 141 C.4 CONTROL LOOP OF SINGLE
ELECTRO-HYDRAULIC SERVO ACTUATOR 142 D LIST OF MODEL PARAMETERS 143 D.I
ACTUATION SYSTEM 143 D.2 ELECTRO-HYDRAULIC SERVO VALVE 145 D.3
VOLTAGE-TO-CURRENT CONVERTER 147 E OFC DETECTION WITH LUENBERGER
OBSERVER 148 F AEROELASTIC AIRCRAFT MODEL (A340-300 AWIATOR) 150
|
| any_adam_object | 1 |
| author | Sachs, Helge 1977- |
| author_GND | (DE-588)140890815 |
| author_facet | Sachs, Helge 1977- |
| author_role | aut |
| author_sort | Sachs, Helge 1977- |
| author_variant | h s hs |
| building | Verbundindex |
| bvnumber | BV039725382 |
| classification_rvk | ZO 7870 |
| ctrlnum | (OCoLC)756252564 (DE-599)DNB1000213862 |
| dewey-full | 629.13236 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 629 - Other branches of engineering |
| dewey-raw | 629.13236 |
| dewey-search | 629.13236 |
| dewey-sort | 3629.13236 |
| dewey-tens | 620 - Engineering and allied operations |
| discipline | Maschinenbau / Maschinenwesen Verkehr / Transport |
| format | Thesis Book |
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| id | DE-604.BV039725382 |
| illustrated | Illustrated |
| indexdate | 2024-07-10T00:09:48Z |
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| isbn | 9783832288402 |
| language | English |
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| physical | XXII, 161 S. graph. Darst. |
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| spelling | Sachs, Helge 1977- Verfasser (DE-588)140890815 aut Fault investigation and robust failure detection of oscillating aircraft actuation systems using analytical redundancy Helge Sachs Aachen Shaker 2010 XXII, 161 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Schriftenreihe Flugzeug-Systemtechnik 2009,6 Zugl.: Hamburg, Techn. Univ., Diss., 2009 Fly by wire (DE-588)4442360-3 gnd rswk-swf Fehlererkennung (DE-588)4133764-5 gnd rswk-swf Diagnosesystem (DE-588)4149458-1 gnd rswk-swf Aktor (DE-588)4198914-4 gnd rswk-swf Redundanz (DE-588)4157937-9 gnd rswk-swf Schwingung (DE-588)4053999-4 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Fly by wire (DE-588)4442360-3 s Fehlererkennung (DE-588)4133764-5 s Aktor (DE-588)4198914-4 s Schwingung (DE-588)4053999-4 s Diagnosesystem (DE-588)4149458-1 s Redundanz (DE-588)4157937-9 s DE-604 Schriftenreihe Flugzeug-Systemtechnik 2009,6 (DE-604)BV023084705 2009,6 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024573392&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Sachs, Helge 1977- Fault investigation and robust failure detection of oscillating aircraft actuation systems using analytical redundancy Schriftenreihe Flugzeug-Systemtechnik Fly by wire (DE-588)4442360-3 gnd Fehlererkennung (DE-588)4133764-5 gnd Diagnosesystem (DE-588)4149458-1 gnd Aktor (DE-588)4198914-4 gnd Redundanz (DE-588)4157937-9 gnd Schwingung (DE-588)4053999-4 gnd |
| subject_GND | (DE-588)4442360-3 (DE-588)4133764-5 (DE-588)4149458-1 (DE-588)4198914-4 (DE-588)4157937-9 (DE-588)4053999-4 (DE-588)4113937-9 |
| title | Fault investigation and robust failure detection of oscillating aircraft actuation systems using analytical redundancy |
| title_auth | Fault investigation and robust failure detection of oscillating aircraft actuation systems using analytical redundancy |
| title_exact_search | Fault investigation and robust failure detection of oscillating aircraft actuation systems using analytical redundancy |
| title_full | Fault investigation and robust failure detection of oscillating aircraft actuation systems using analytical redundancy Helge Sachs |
| title_fullStr | Fault investigation and robust failure detection of oscillating aircraft actuation systems using analytical redundancy Helge Sachs |
| title_full_unstemmed | Fault investigation and robust failure detection of oscillating aircraft actuation systems using analytical redundancy Helge Sachs |
| title_short | Fault investigation and robust failure detection of oscillating aircraft actuation systems using analytical redundancy |
| title_sort | fault investigation and robust failure detection of oscillating aircraft actuation systems using analytical redundancy |
| topic | Fly by wire (DE-588)4442360-3 gnd Fehlererkennung (DE-588)4133764-5 gnd Diagnosesystem (DE-588)4149458-1 gnd Aktor (DE-588)4198914-4 gnd Redundanz (DE-588)4157937-9 gnd Schwingung (DE-588)4053999-4 gnd |
| topic_facet | Fly by wire Fehlererkennung Diagnosesystem Aktor Redundanz Schwingung Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024573392&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV023084705 |
| work_keys_str_mv | AT sachshelge faultinvestigationandrobustfailuredetectionofoscillatingaircraftactuationsystemsusinganalyticalredundancy |