Modeling of Complex Systems: Application to Aeronautical Dynamics

Cover
......Page 1
Title Page......Page 5
Table of Contents......Page 7
Introduction......Page 9
Chapter 1. 0D Analytical Modeling of Airplane Motions......Page 11
1.1.2. Airplane reference: RB (body) also called “linked reference”......Page 12
1.1.3. Resultant angular velocity......Page 16
1.2. Equations of motion of the airplane......Page 19
1.2.1. Expression of Newton’s principle......Page 20
1.2.2. Expression of the dynamic momentum......Page 21
1.3.1. Aerodynamic forces and torques......Page 24
1.3.2. Sign rules......Page 27
1.4. Description of aerodynamic coefficients......Page 28
1.4.2. Side lift coefficient: CY......Page 29
1.4.3. Vertical lift due to attack angle: CZα......Page 30
1.4.4. Lift due to pitch angular velocity: CZq......Page 31
1.4.5. Roll coefficients (due to β, δl , p)......Page 32
1.4.6. Pitch coefficients (due to α, δm , q , static curvature)
......Page 35
1.4.7. Yaw coefficients (due to β, δn, r)......Page 37
1.5. Aerodynamic data of a supersonic airliner for valuation of the software......Page 42
1.6. Horizontal flight as an initial condition......Page 43
1.7. Effect of gravitational forces......Page 46
1.8 calculation of the trajectory of the airplane in open space......Page 49
1.9. Validation by comparison with ONERA Concorde data......Page 57
1.10.2. Total lift coefficient......Page 61
1.10.3. Drag characteristics: (dimensionless)......Page 65
1.10.4. Side lift coefficient: CY (dimensionless)......Page 68
1.10.5. Roll coefficients......Page 69
1.10.6. Pitch coefficients......Page 72
1.10.7. Yaw coefficients......Page 76
Chapter 2. Design and Optimization of an
Unmanned Aerial Vehicle (UAV)......Page 79
2.1. General design of the drone......Page 81
2.2. Weight estimation......Page 82
2.3. Size estimation......Page 83
2.4.1. Mass evaluation......Page 86
2.4.2. Measurement of the roll inertia (A)......Page 87
2.4.3. Measurement of pitch inertia (B)......Page 89
2.4.4. Measurement of yaw inertia (C)......Page 90
2.5. Convergence toward the target......Page 92
Chapter 3. Organization of the Auto-Pilot......Page 101
3.1. Position of the drone in open space......Page 103
3.2. The Dog Law......Page 105
3.3. Flight tests......Page 108
3.4. Altitude control system......Page 110
3.5. Altitude measurement on an actual drone......Page 112
Bibliography......Page 121
Index......Page 123