20th March 2021 09:15 AM | |
KunwarR | Sathyabama Institute of Science and Technology B.E. - Aeronautical Engineering SAEA1601 Aircraft Stability and Control Syllabus Sathyabama Institute of Science and Technology B.E. - Aeronautical Engineering SAEA1601 Aircraft Stability and Control Syllabus SATHYABAMA INSTITUTE OF SCIENCE AND TECHNOLOGY SCHOOL OF MECHANICAL ENGINEERING SAEA1601 AIRCRAFT STABILITY AND CONTROL L T P Credits Total Marks 3 0 0 3 100 UNIT 1 BASIC CONCEPTS 9 Hrs. Aircraft Axis System, Coordinate Transformation, Aircraft Force and moment Equations, Basic Concept of Stability and Control, Types of stability. UNIT 2 LONGITUDINAL DYNAMIC STABILITY AND CONTROL 9 Hrs. Longitudinal stability, Contribution of wing and Tail, Total contribution, Stick fixed and stick free stability, control effectiveness, hinge moment, tabs. Determination Of Neutral Points And Maneuver Points In Flight Tests. Aerodynamic balancing. UNIT 3 MANEUVERABILITY 9 Hrs. Effects of freeing the stick. Control forces and force gradients. Critical conditions for stability and control. Effect of manoeuvres. Longitudinal dynamic stability, stability derivatives, characteristic equation for stick fixed case, modes and stability criterion, effect of freeing the stick. UNIT 4 DYNAMIC STABILITY 9 Hrs. Brief description of lateral and directional dynamic stability- spiral, divergence and Dutch roll. Response, automatic control, autorotation and spin. UNIT 5 MODERN CONTROL THEORY 9 Hrs. Classical vs modern control theory, introduction – state-space modelling, canonical transformation, controllability and observability, state-feedback design, application of modern control theory to aircraft autopilot design- stability augmentation, autopilot design, state observer, optimal control, problems. Introduction to aircraft autopilot design using classic control theory. Max.45 Hrs. COURSE OUTCOMES On completion of the course, students will be able to CO1 - Study the applications of the conservation laws to flow. CO2 - Understand the importance of stability and control. CO3 - Understand the stability equations. CO4 - Understand the properties control system. CO5 - Analyze the modern control systems. CO6 - Distinguish the basics of autopilot systems. TEXT / REFERENCE BOOKS 1. Thomas R. Yechout, ‘An introduction to Aircraft Flight Mechanics’, AIAA educational Series, 2003. 2. Bernard Etkin, Lloyd Duff Reid, Dynamics of Flight, Stability & Control, 3rd Edition, John Wiley & Sons, 1995. 3. Malcom J. Abzug, E.E. Larrabee, Airplane Stability & Control , 2nd Edition, Cambridge University Press, 2002. 4. Nelson. R.C., Flight Stability and Automatic Control, McGraw Hill, 1989. 5. Perkins C.D. and Hage R.E., Airplane Performance, Stability and Control, Wiley Toppan, 1974. END SEMESTER EXAMINATION QUESTION PAPERPATTERN Max. Marks: 100 Exam Duration: 3 Hrs. PART A: 10 Questions of 2 marks each – No choice 20 Marks PART B: 2 Questions from each unit of internal choice; each carrying 16 marks 80 Marks |