声明
Abstract
CONTENTS
1 Introduction
1.1 Motivation of the thesis
1.2 General statement problems
1.3 Contributions of the thesis
1.4 Outline of the thesis
2 Literature review
2.1 Fault—tolerant control system
2.2 Dealing with faults and failures in control
2.3 Different approaches for fault-tolerant control
2.3.1 Multiple model techiniques
2.3.2 Cotrol allocation techniques
2.3.3 Model reference adaptive control
2.3.4 Slidingmode control(smc)
3 Modeling of the UAV Systems
3.1 Definition of the frame systems
3.1.1 Equations of the forces
3.1.2 Equation of moments
3.2 Engine
3.2.1 Engine rate
3.2.2 Trust force
3.3 Model of aerody7namic force
3.3.1 Lift force
3.3.2 Lateral force
3.3.3 Drag force
3.4 Model of aerodynamic torques
3.4.1 Roll torque Ib
3.4.2 Pitch Torque Mb
3.4.3 Yaw Torque Nb
3.5 Nonlinear model of the UAV systems
3.5.1 Equation of motion
3.6 Summary
4 Fault Observer Design for the UAV's Actuator System
4.1 Problem Statement
4.2 Observer Design Approach
4.3 Simulation Case
4.3.1 Simulation Conditions
4.3.2 Results and Analysis
4.4 Summary
5 PID-based Control Design for UAV’s Flight Control Systems
5.1 Pole Placement Theory and Preliminaries
5.2 Control Law Design of the Pitch Channel
5.3 Simulation and Analysis
5.4 Summary
6 Fault Tolerant Tracking Control Design with Transient Performance
6.1 Problem Description of Fault Tolerant Tracking Control Systems
6.2 Prescribed performance fault-tolerant control for feedback linearzable system
6.3 Fault-tolerant Controller Design with Prescribed Performance Constrain
6.4 Stability Proof and Analysis
6.5 Simulations
6.5.1 Linear unmanned aerial vehicles system
6.5.2 Nonlinear UAV Systems
6.5.3 with External Disturbance
6.6 Summary
7.Conelusions and Future Worksulure Works 1.
7.1 Conelusions
7.2.Future work
Acknowledgments
Reference