Flight Control

Lecturer:

Tutor:

Supervisor:

Department of Control Engineering

Synopsis:

This course presents an aircraft dynamic model created via non-linear state-space model leading to the transfer matrix. This model is then used to demonstrate the methods of modern control theory displaying a lot of relationships. Control sythesis starts from classical methods, continues with LQ and ends with the contemporary answers to robustness and other issues.

Requirements:

Syllabus of lectures:

1. Flight control systems, their structure and classification

2. Aircraft dynamics, acting forces and moments, supposition for derivation of aircraft equations

3. Nonlinear aircraft model, force, moment and kinematic equations, their linearisation

4. Linear aircraft model, its separation in longitudinal and lateral/directional components

5. Numerical solution to the equations, LTI equations and comparison

6. Classical and states space aircraft description, poles and zeroes and their relation to aircraft qualities

7. Aircraft Eulers angles stabilisation - autopilots, their structure, demands and behaviour

8. Stability and control augmentation systems, flight conditions, requiremens, various flight regimes

9. Aircraft control by means of observers and filters, controllers, trackers

10. Aircraft control by means of observer-based full eigenstructure assignment, partial pole assignment

11. Aircraft control by means of LQ and LQG, model following, problems

12. Aircraft control by means of output feedback, robustness analysis, loop-transfer recovery

13. Flight control systems, demands, control of aircraft kinematic

14. Approach, its phases and specials in their control

Syllabus of tutorials:

1. Examples of equations describing given system, homework

2. Equations of aircrafts, helicopters and missiles as examples - numerical integration using MATLAB solvers

3. Controllers and trackers, controller and tracker design using classic methods via frequency responses

4. State space controllers and trackers, LQG design - example and homework

5. Longitudal motion equations and their linearisation, frequency response

6. Transversal motion equations and their linearisation, frequency response

7. Other types of the equations of motion in various bases, numerical integration

8. Elasticity of the plane and the difference between real system and the rigid body approximation, robustness

9. Characteristics of the atmosphere, description via stochastic processes. Its influence on aircraft control

10. Automatic flight control, autopilots - example and homework

11. Dumpers, stabilizers and semi-automatic flight - example and homework

12. Automatic target guidance - example and homework.

13. Start and landing automatic control - example and homework

14. Helicopter and missile automatic control

Study Objective:

Study materials:

1. Etkin. Dynamics of atmospheric flight. Willey New York, 1980.

Note:

Further information:

No time-table has been prepared for this course

The course is a part of the following study plans:

• Cybernetics and Measurements - Aeronautical Engineering and Control Systems- structured studies (compulsory course)