Syllabus
Unit 1
Review of Static Stability – Concepts and Introduction to Dynamic Stability – Review: Body Axis, Stability Axis, Earth Axis – Euler Angles – Transformation between axis – Advantages of different axis – Aircraft Equations of Motion- Aircraft Trim: Steady level flight and Steady level turn.
Unit 2
Small Perturbation Theory: Linear Equations of Motion, Stability Derivatives, Longitudinal and Lateral Modes – Concept and Physics – Characteristic Equation – Transfer Function Approach – State Space Modelling and its application to Modes
Unit 3
Autopilots – Stability Augmentation System (SAS). Active Control Technology (ACT): Relaxed static stability, gust load alleviation, direct lift control, direct side force generator – Introduction to Flying and Handling Qualities.
Objectives and Outcomes
Objectives
The objective of the course is to introduce students to flight dynamics and handling qualities of the aircraft and their importance in the design of an aircraft.
Course Outcomes
CO1: Know how to derive equation of motion of an aircraft.
CO2: Obtain the linearized flight dynamic model using ‘Small perturbation theory’ CO3: Understand concept and physics of dynamic stability and associated modes. CO4: Recognise the importance of Flying and Handling qualities.
CO5: Understand concepts like stability augmentation system and autopilot.
CO-PO Mapping
PO/PSO |
PO1 |
PO2 |
PO3 |
PO4 |
PO5 |
PO6 |
PO7 |
PO8 |
PO9 |
PO10 |
PO11 |
PO12 |
PSO1 |
PSO2 |
PSO3 |
CO |
CO1 |
3 |
2 |
3 |
2 |
– |
– |
– |
– |
– |
– |
– |
1 |
3 |
2 |
1 |
CO2 |
3 |
1 |
3 |
2 |
2 |
– |
– |
– |
– |
– |
– |
1 |
3 |
2 |
1 |
CO3 |
3 |
1 |
3 |
3 |
2 |
– |
– |
– |
– |
– |
– |
1 |
3 |
2 |
2 |
CO4 |
3 |
1 |
3 |
2 |
2 |
– |
– |
– |
– |
– |
– |
1 |
3 |
2 |
2 |
CO5 |
3 |
1 |
3 |
3 |
2 |
– |
– |
– |
– |
– |
– |
1 |
3 |
2 |
2 |
Text Books / References
Text Book(s)
M.V. Cook, Flight Dynamics Principles, “A Linear Systems Approach to Aircraft Stability and Control,” 3rd Edition, Elsevier, 2013.
Reference(s)
Robert C Nelson, “Introduction To Flight Stability And Automatic Control,” 2nd Edition, McGraw-Hill, 1998. Warren F Philips, “Mechanics of Flight”, Wiley, 2004.