| 摘要 | 第1-7页 |
| ABSTRACT | 第7-17页 |
| List of Figures & Tables | 第17-19页 |
| Abbreviations | 第19-20页 |
| Symbols | 第20-22页 |
| Chapter 1 Theory and Basic Principle of Support Vector Machines (SVM) | 第22-38页 |
| ·Introduction | 第22页 |
| ·Support Vector Machines for Learning | 第22-23页 |
| ·Support Vector Classification | 第23页 |
| ·Theoretical Background | 第23-34页 |
| ·A brief review of the principle of SVM | 第23-28页 |
| ·The important features of SVM | 第28-31页 |
| ·One to others multi-class SVM algorithm | 第31-34页 |
| ·SVM compare with some other important useful methods | 第34-36页 |
| ·Fault Tree Analysis (FTA) | 第34页 |
| ·Fuzzy Analysis | 第34-35页 |
| ·Expert System | 第35页 |
| ·Artificial Neural Networks (ANN) | 第35-36页 |
| Conclusion | 第36-38页 |
| Chapter 2 The Detection of Troubles in Marine Diesel Engines by Sound and Vibration | 第38-52页 |
| ·Introduction | 第38页 |
| ·General Estimation of Signals | 第38-42页 |
| ·Signals Picked up by Sensors | 第38-40页 |
| ·Characteristics of Signals | 第40-41页 |
| ·Diagnosis | 第41-42页 |
| ·Methods of Signal Analysis | 第42-43页 |
| ·Power Spectral Density Function Method | 第42页 |
| ·Averaging Method | 第42页 |
| ·Filtering Method | 第42-43页 |
| ·Rectifying and Smoothing Method | 第43页 |
| ·Detection of Trouble in Valve Driving Systems | 第43-47页 |
| ·Apparatus and Procedure | 第43-45页 |
| ·Detection by Sound | 第45-46页 |
| ·Detection by Vibration | 第46-47页 |
| ·Detection of Gas Leakage from Exhaust Valves | 第47-49页 |
| ·Apparatus, Procedure and Preliminary Test Results | 第47-48页 |
| ·Detection by Sound | 第48页 |
| ·Detection by Vibration | 第48-49页 |
| Conclusion | 第49-52页 |
| Chapter 3 Content of Marine Diesel Engine Cylinder Cover Fault Diagnosis Research | 第52-69页 |
| ·Introduction of Marine Diesel Engine Cylinder Cover | 第52-54页 |
| ·The Main Structure of Diesel Engine Cylinder Cover and Practical Work Process | 第54-58页 |
| ·Breakdown Mechanism Research in Cylinder Relief, or Safety Valve | 第54-55页 |
| ·Table (3.1) —Starting Failures --Cylinder Relief Valves Lift | 第55-57页 |
| ·Table (3.2) —Running Defects | 第57-58页 |
| ·Cylinder Head Removal/ Replacing | 第58-61页 |
| ·Cylinder Head Removal | 第58-60页 |
| ·Replacing Cylinder Heads | 第60-61页 |
| ·Misfiring Cylinders | 第61页 |
| ·The Main Structure of Diesel Engine Exhaust Valve and Practical Work Process | 第61-67页 |
| ·The Characteristics of Valves | 第61-63页 |
| ·The Practical Work Process of Exhaust Valve | 第63页 |
| ·Fault Indication in Exhaust Valve & How to Remedy | 第63-67页 |
| Conclusion | 第67-69页 |
| Chapter 4 The signal characteristic and the typical fault diagnosis for Diesel engines cylinder covers' vibration apply by SVM | 第69-84页 |
| ·Cause of vibration | 第69-70页 |
| ·Engine vibrations | 第69-70页 |
| ·The examination method for diesel engines cylinder covers' vibration | 第70-73页 |
| ·Inducing Faults and Collecting Data | 第70页 |
| ·Cylinder Pressure in Fault Diagnosis | 第70-72页 |
| ·Vibration in Fault Diagnosis | 第72-73页 |
| ·Frequency domain analysis | 第73页 |
| ·Natural analysis for the vibration signal of diesel engine's cylinder cover | 第73-76页 |
| ·Assessment of Cylinder Performance from Cylinder Cover Vibration | 第73-76页 |
| ·SVM applications in fault diagnosis for cylinder cover | 第76-82页 |
| ·Signal preprocessing | 第76-77页 |
| ·Feature extraction | 第77-78页 |
| ·Training | 第78页 |
| ·The proposed fault diagnosis method and implementation | 第78-82页 |
| Conclusion | 第82-84页 |
| Chapter 5 Conclusion And Future Work | 第84-86页 |
| ·Conclusion | 第84-85页 |
| ·Future work | 第85-86页 |
| List of Publications | 第86-87页 |
| Acknowledgements | 第87-88页 |
| Bibliography | 第88-91页 |
