
Diagnostics and Prognostics of Aerospace Engines
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Content
- Cover
- Table of contents
- CHAPTER 1 Introduction
- Historical Perspective
- System Architecture
- Hardware
- Software and Analytics
- Future Trends
- Conclusions
- Acknowledgments
- Abbreviations
- References
- CHAPTER 2 Aircraft Engine Maintenance
- CHAPTER 3 Aircraft Gas Turbine Engine Trend Analysis
- FAA Reliability Concept
- Considerations
- Reliability Yardstick
- Propulsion System Reliability Program
- Aircraft Systems and Component Reliability
- Gas Turbine Trend Analysis
- Total Approach
- Scientific Approach
- Data Sharing
- Action
- Conclusions
- What Parameters to Measure
- Recording the Data
- Using the Data
- Summary
- Gas Turbine Trend Analysis-Four Phases of Development
- Engine Condition Monitoring Techniques for the Future
- Engine Design Considerations
- The Feasibility of TBO Control Based on Condition Monitoring
- Condition Monitoring as Related to Engine Failures
- References
- CHAPTER 4 Maximum Installed Engine Utilization through Disciplined Health Monitoring
- Engine Monitoring Problems
- "Long-Term Engine Monitoring"
- "Short-Term Engine Monitoring"
- Swissair Monitoring Concepts and Practical Examples
- Conclusions
- CHAPTER 5 Modular Engine Maintenance Concept Considerations for Aircraft Turbine Engines
- Design Considerations
- Failure Modes and Isolation Techniques
- Implementation
- Summary
- References
- CHAPTER 6 Developments in Performance Monitoring and Diagnostics in Aircraft Turbine Engines
- Data Acquisition
- Data Processing
- Data Display and Maintenance Information Management
- Conclusions
- Acknowledgments
- References
- CHAPTER 7 An Overview of Airborne Vibration Monitoring (AVM) Systems
- Introduction
- The Essential Elements of AVM
- Current Use of AVM Systems
- Diagnostic Uses of an AVM
- Summary
- References
- CHAPTER 8 Advances in Commercial Engine Lube Debris Monitoring
- Wear Debris Monitoring Fundamentals
- Application of Debris Monitoring to Flight Engine Maintenance
- Quantitative Debris Monitoring (QDM)
- QDM vs. Electric Chip Detectors
- GE90 QDM System Development, Qualification, and Performance
- Conclusion
- CHAPTER 9 Very High-Frequency Monitoring System for Engine Gearbox and Generator Health Management
- Introduction
- FirstCheckT: Sensor Validation
- ImpactEnergyT: Bearing Fault Detection and Isolation
- GearModT: Gear Fault Detection and Isolation
- Statistical Analysis and Threshold Setting
- Generator VHF Health Management Development
- Electrical Fault Simulation
- Gearbox VHF Health Management Development
- Future Work
- Conclusion
- Acknowledgments
- References
- Contact
- CHAPTER 10 Prognosis and Health Monitoring Systems for Aircraft Engines
- Introduction
- System Design
- Embedded System
- Data Acquisition (OSA-CBM Layer 1)
- Data Reduction (OSA-CBM Layer 2)
- Data Selection and Trigger
- Indicators Creation
- Ground System
- Normalization (OSA-CBM Layer 2)
- Indicators Analysis (OSA-CBM Layer 2)
- Anomaly Detection
- Trend Analysis
- State Detection (OSA-CBM Layer 3)
- Cluster Analysis
- Health Assessment (OSA-CBM Layer 4)
- Prognosis Assessment (OSA-CBM Layer 5)
- Advisory Generation (OSA-CBM Layer 6)
- Algorithm Quality
- Conclusions
- References
- Definitions/Abbreviations
- CHAPTER 11 Aircraft Integration Challenges and Opportunities for Distributed Intelligent Control, Power, Thermal Management, and Diagnostic and Prognostic Systems
- Introduction
- Challenges for Management Systems and Integration
- Electrical Power Challenges
- Thermal Management Challenges
- Engine Control and PHM Challenges
- Integration Challenges
- Total Real-Time Vehicle Integration, Optimization, and Control
- Hierarchy and Structure
- Hierarchical Adaptive Control
- Integrated Design of Reconfigurable Fault-Tolerant Control Systems
- Distributed Decentralized Control Architectures
- Zone-Based Autonomy and Authority
- Configurations for Distributed Decentralized Networks
- Practical Applications of Distributed Controls
- Certification/Qualification
- Systematic Propulsion System Optimization
- Summary/Conclusions
- Acknowledgments
- References
- CHAPTER 12 Improved Engine Health Monitoring Using Full Flight Data and Companion Engine Information
- Introduction
- Historical Perspective
- Full Flight Data
- Technical Challenges
- Companion Engine Data
- Cross-Wing Analysis Architecture
- Engine Model Normalization
- Quasi-Steady-State
- FDI Process
- Simulation Verification
- FOQA Data
- Sensor Noise Simulation
- Construction of SVM and Kalman Filter
- Model Calibration
- Engine Nominal Deterioration
- Cross-Wing Fault Isolation
- Cross-Wing Diagnosis Monte Carlo Simulations
- Summary/Conclusions
- References
- Contact Information
- Definitions/Abbreviations
- Appendix
- CHAPTER 13 Establishment and Application of Aeroengine Lubricating Oil System Model Based on Flight Test Data
- Introduction
- Lubricating System Description and Modeling Method Instruction
- Lubricating System Description
- ANN Modeling Method Instruction
- Flight Test Data Instruction
- Modeling of Oil Parameters
- Analysis and Determination of Main Influencing Parameters on Lubricating Parameters
- Model Results of Oil Parameters
- Application of Oil Parameter Model
- Online Trend Monitoring of Oil Parameters
- Determination of Main Influencing Factors on Oil Parameters
- Summary
- References
- Contact Information
- Definitions/Abbreviations
- About the Author
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