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Model-based diagnosis of electronic cooling fan drive systems / Titelei/Inhaltsverzeichnis
Model-based diagnosis of electronic cooling fan drive systems / Titelei/Inhaltsverzeichnis
Contents
Chapter
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Page
I–X
Titelei/Inhaltsverzeichnis
I–X
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1–7
1 Introduction
1–7
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1.1 State of the Art
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1.2 Thesis Structure and New Contribution
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8–17
2 Methods of Fault Detection and Diagnosis
8–17
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2.1 Fault Detection
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2.1.1 Parity Equations
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2.1.2 State Observer
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2.1.3 Parameter Estimation
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2.2 Fault Diagnosis
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18–39
3 The Engine Cooling Fan System
18–39
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3.1 Mathematical model of the components of an electrically driven fan
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3.1.1 Electrical Subsystem
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3.1.2 Electromagnetic Subsystem
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3.1.3 Mechanical Subsystem
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3.1.4 Air Pathway in the Engine Compartment
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3.1.5 Validation of the Simulation Model
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3.2 Test Bench
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3.3 Conclusion
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40–98
4 Fault Detection and Diagnosis of the electrical motor: Online Parameter Acquisition
40–98
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4.1 Winding Resistance
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4.1.1 DC Injection Method
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4.1.2 Implementation and Results
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4.1.3 Conclusion
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4.2 Flux Linkage over Angle
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4.2.1 Proposed Method
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4.2.2 Implementation
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4.2.3 Results
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4.2.4 Conclusion
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4.3 Equivalent Series Resistance of the DC-Link Capacitor
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4.3.1 Structure and Degradation Mechanism of the Electrolytic Capacitor
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4.3.2 Proposed method
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4.3.3 Implementation and Results
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4.3.4 Conclusion
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4.4 Thermal Network for Determination of Magnet Temperature
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4.4.1 Airflow Through the Engine Cooling Fan
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4.4.2 Thermal Modeling of Electrical Machines
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4.4.3 MIMO Model with Observer Structure
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4.4.4 Results
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4.4.5 Conclusion
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4.5 Summary
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99–117
5 Fault Detection and Diagnosis: Application
99–117
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5.1 Electrical Subsystem
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5.1.1 Principle of Operation
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5.1.2 Results
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5.2 Electromagnetic Subsystem
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5.2.1 Principle of Operation
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5.2.2 Results
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5.3 Thermal Subsystem
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5.4 Mechanical Subsystem
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5.4.1 Principle of Procedure
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5.4.2 Results
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5.5 Required Cycle Time at EoL
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5.6 Conclusion
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118–121
6 Summary and Outlook
118–121
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122–126
Appendices
122–126
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A The Condition of a Matrix
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B Star-Delta-Transformation
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C State Variable Filter
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D Datasheet Parameters of Selected Test Bench Components
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127–137
Bibliography
127–137
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Model-based diagnosis of electronic cooling fan drive systems , page I - X
Titelei/Inhaltsverzeichnis
Autoren
Michael Pagel
DOI
doi.org/10.51202/9783186262080-I
ISBN print: 978-3-18-526208-1
ISBN online: 978-3-18-626208-0
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