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List of Tables 3.1 Evaluation approaches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 3.2 Partial diagnosis look-up table of the Power Supply system for single faults (startup = true) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 3.3 Input matrix for data analysis of the example fault scenario . . . . . . . . . . . . . . . 29 3.4 Evaluation approaches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 4.1 Mode catalog of the 4-inverter model, with x=1 and y=0. . . . . . . . . . . . . . . . . 45 4.2 Partial LUT for a strong model of the Power Supply system for single faults (startup = true) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 5.1 Example of a log entry (when error 11 occurs). . . . . . . . . . . . . . . . . . . . . . 52 5.2 Components that are excluded from the target system. . . . . . . . . . . . . . . . . . . 53 5.3 Components that are included in the target system, with their health variables, and associated a priori failure probabilities. . . . . . . . . . . . . . . . . . . . . . . . . . . 54 5.4 Fault scenarios, and their adjudged diagnoses. . . . . . . . . . . . . . . . . . . . . . . 55 5.5 Partial diagnosis look-up table of the Beam Propeller Movement for single faults . . . 57 5.6 Discretization of the system data of fault scenario 1 till 11 to domain M. . . . . . . . . 63 5.7 Partial diagnosis Look-Up Table of the Beam Propeller Movement for single faults . . 64 5.8 Some additional measurements for fault scenarios in fault category C1 (current error) . 65 5.9 Some additional measurements for fault scenarios in fault category C2 (speed error) . . 67 5.10 Some additional measurements for fault scenarios in fault category C3 (unjustified position error) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 5.11 Some additional measurements for fault scenarios in fault category C4 (pos. val. error) 67 5.12 Entropy gain of 5 arbitrarily chosen additional sensor set-ups. . . . . . . . . . . . . . . 67 5.13 5 additional fault scenarios, of which adjudged broken components are known. . . . . 68 B.1 The meaning of the system data that can be found in an error 11 entry. . . . . . . . . . 86 B.2 All fault scenarios, and their system data. . . . . . . . . . . . . . . . . . . . . . . . . 88 ix
Page 1: Automated Fault Diagnosis at Philip
Page 4 and 5: © 2006 W.M. Lindhoud. Document gen
Page 7: Preface The work presented in this
Page 10 and 11: CONTENTS 4.4 Modeling . . . . . . .
Page 15 and 16: Chapter 1 Introduction Throughout t
Page 17 and 18: Introduction 1.1 Fault Diagnosis an
Page 19 and 20: Introduction 1.4 Contributions Figu
Page 21: Introduction 1.5 Outline of the The
Page 24 and 25: 2.1 Preliminaries State-of-the-Prac
Page 26 and 27: 2.2 Overview Today’s Practice Sta
Page 28 and 29: 2.3 Manual Fault Diagnosis State-of
Page 30 and 31: 2.4 Optimal Fault Diagnosis State-o
Page 32 and 33: 2.4 Optimal Fault Diagnosis State-o
Page 34 and 35: 3.1 Overview Techniques Automated F
Page 40 and 41: 3.2 Automated Induction using Black
Page 42 and 43: 3.4 Automated Induction using White
Page 44 and 45: 3.6 Evaluation of Approaches to Fau
Page 47 and 48: Chapter 4 Model-Based Fault Diagnos
Page 49 and 50: Model-Based Fault Diagnosis 4.1 Fun
Page 51 and 52: Model-Based Fault Diagnosis 4.3 Bas
Page 53 and 54: Model-Based Fault Diagnosis 4.4 Mod
Page 55 and 56: Model-Based Fault Diagnosis 4.4 Mod
Page 57 and 58: Model-Based Fault Diagnosis 4.5 Ent
Page 59 and 60: Model-Based Fault Diagnosis 4.6 MBD
Page 61: Model-Based Fault Diagnosis 4.6 MBD
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5.2 Scope of the Target System Diag
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5.2 Scope of the Target System Diag
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5.3 Off-line Inference by Experts D
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5.3 Off-line Inference by Experts D
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5.4 MBD Implementation 1 Diagnosing
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5.7 Results of the Case Study Diagn
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5.7 Results of the Case Study Diagn
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6.2 Recommendations Conclusions and
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Bibliography [1] The lydia project.
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BIBLIOGRAPHY [29] B. Water. Field m
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Glossary of terms • Cardio-Vascul
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Glossary of terms • Fault Scenari
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Glossary of terms • Recovery: see
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Appendix B Case Study Details In th
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Case Study Details B.4 Full List of
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Case Study Details B.5 Discretizati
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Appendix C Lydia Models This append
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Lydia Models C.1 The Synthetic Mode
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Lydia Models C.2 Model of the Power
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Lydia Models C.3 The Models Constru
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State-of-the-Future Fault Diagnosis
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