FAULT MONITORING AND DIAGNOSIS

Course Objectives:
To establish the complete system and frame work, and comprehensively introduce the common detection and diagnosis techniques.

1. Introduction (2 Hours)
1. The Significance of Aircraft Detection and Diagnosis Technology
2. Development of Aircraft Maintenance Theory
3. Condition Monitoring and Fault Diagnosis Technique for Aero Engine
4. Inspection and Repair Techniques for Aircraft Structure
5. Introduction to Maintenance Steering Group (MSG)
2. Fault Signal Analysis and Processing (12 Hours)
1. The concept and classification of Signal
2. Time domain analysis
3. Frequency domain analysis
4. Digital Signal Analysis and Processing
5. Digital Image Analysis and Processing
3. Theories of Fault Recognition (8 Hours)
1. Bayseian Classification
2. Classification based in distance functions
3. Fuzzy Diagnosis
4. Grey Diagnosis
5. Neural Network Diagnosis
6. Support Vector Machine Diagnosis
7. Time Series Forecasting Method
8. Expert System Diagnosis
4. Aero-engine state diagnosis (6 hours)
1. Basic principle of engine state diagnosis
2. Basic Concepts of Fault Diagnosis
3. Fault Equations
4. Mathematics Foundation for Solving fault equations
5. Fault Equation Solution
6. Application Example
5. Aero-Engine Condition Monitoring and Fault Diagnosis based on Vibration(12 Hours)
1. The vibration monitoring and diagnosis for aero-engine
2. The main exciting sources of aero-engine
3. The common faults mechanism analysis of rotor system
4. Common Faults and their diagnosis of gear
5. The common faults and their diagnosis of ball bearing
6. Fault diagnosis cases of aero engine.
6. Aero-engine wear condition monitoring and fault diagnosis (5 Hours)
1. Introduction
2. The classification and application range of oil analysis methods
3. Magnetic Plug detecting method
4. Oil Spectral Analysis
5. Oil Ferrography Analysis
6. Oil Analysis Diagnosis Cases
7. Aero- Engine Trend Analysis (1 Hours)
1. Aero- Engine Trend Graph analysis technique
2. Aero-engine performance trend forecasting
8. Fingerprint Graph analysis method of Aero engine (2 Hours)
1. Introduction
2. Fingerprint Graph
3. Fingerprint Graph Analysis
4. Fault Diagnosis Example
9. Aero- engine Borescope Detection Technology (4 Hours)
1. Endoscopy and its development process.
2. The application of boroscope in the engine damage detection
3. New Boroscope equipment and its principle
4. The development tendency of Borescope
5. Aero-engine interior damage remote evaluating expert system.
10. Non Destructive Testing (NDT) Technique for Aircraft Structural Inspection (6 Hours)
1. The significance and Function of NDT in Aviation Maintenance
2. Ultrasonic Testing
3. EC Testing Methods
4. MP Testing Methods
5. X-Ray Method
6. FP Testing
11. Civil Aircraft Leakage Detection Techniques (2 Hours)
1. The significance of Aircraft leakage detection
2. The methods of Aircraft Leakage Detection
3. The leakage detection of aircraft structure fuel tank.

References:

1. Mechanical Fault Diagnosis and Condition Monitoring by R.A Collaccot, Chappman and Hall, London, ISBN 978-94-009-5723-7
2. Aircraft Detection and Diagnosis Techniques, by Chen Guo, NUAA, China
3. Gas Turbine Diagnostics: Signal Processing and Fault Isolation, R Ganugly, CRC Press

Practical
Industry visit to various Aircraft Maintenance Organization and observe the various techniques they use for aircraft fault detection and prepare a report with better recommendations.

Evaluation Scheme:
The questions will cover all the chapters of the syllabus. The evaluation scheme will be as indicated in the table below: