- Docente: Fabrizio Giulietti
- Credits: 6
- SSD: ING-IND/03
- Language: English
- Teaching Mode: Traditional lectures
- Campus: Forli
- Corso: Second cycle degree programme (LM) in Aerospace Engineering (cod. 8769)
Learning outcomes
Starting from the six degrees-of-freedom equations of motion, fundamentals of aircraft longitudinal and lateral-directional dynamics are addressed. Relationship between geometric, inertial and aerodynamic features to pilot commands and external disturbances are highlighted.
Course contents
AIRCRAFT DYNAMICS Reference Frames
Attitude representation, Euler Angles, Rotation matrices Rigid
Body equations of motion Aircraft external efforts: gravitational,
propulsive and aerodynamic forces and moments, wind gusts and
turbulence Aircraft dynamics linearisation, Stability derivatives,
Decoupled Lon-lat models Longitudinal dynamics: Short Period,
Phugoid Modes Lateral-directional dynamics: DR, Roll, Spiral Modes.
Roll/yaw coupling
HELICOPTERS PERFORMANCES AND DYNAMICS Helicopters layout,Results
of rotor aerodynamics, Rotor dynamics, helicopter modelling
Helicopter trim, Helicopter performance Helicopter dynamics,
Multirotors dynamics (quad-hexa/copters).
AIRCRAFT&ROTORCRAFT FEEDBACK CONTROL Block diagrams, transfer
function Laplace transforms, 1 & 2 order systems theory Root
Locus, Bode Diagrams, Gain and Phase margin technique Introduction
to atmospheric fligth control systems: SAS, CSAS, Autopilot schemes
HQ, handling qualities Aircraft Longitudinal Control: Pitch Damper,
Attitude Control, Flight Path Autopilots (speed & altitude)
Aircraft Lat/Dir Control: Roll&Yaw Dampers, Turn Coordination,
Flight Path Autopilots (heading) Human pilot in the Loop
Multirotors feedback control (with practical sessions)
Readings/Bibliography
1] Ashkenas, Aircraft Dynamics and Automatic Control, Wiley
2] Ogata, Modern Control Engineering, Wiley
3] Stevens and Lewis, Aircraft Simulation and Control
Teaching methods
Class Lectures
Matlab/Simulink workshops
Flight experience with instructor
Assessment methods
1] Team project (2 students per team). Projects will be assigned by April 30, 2019. Project technical report shall be delivered by June 15, 2019.
2] Written exams with theory and exercises.
Teaching tools
Software simulation models for atmospheric flight dynamics assessment and control system design.
Class lecture notes will be uploaded (.pdf files) on Insegnamenti on Line platform.
Office hours
See the website of Fabrizio Giulietti