Aircraft Flight Dynamics Robert F Stengel Lecture14 RootLocus Analysis of Parameter Variations

... Locus Analysis of Parameter Variations Robert Stengel, Aircraft Flight Dynamics MAE 331, 2012" •  Effects of system parameter variations on modes of motion" •  Root locus analysis& quot; –  ... Variation in aircraft aerodynamic configuration" –  Effect of feedback control, i.e., control of pitching moment (via elevator) that is proportional to pi...

Ngày tải lên: 04/07/2014, 19:27

... vehicles. !  Understanding of aircraft equations of motion, configuration aerodynamics, and methods for analysis of linear and nonlinear systems. !  Appreciation of the historical context within which past aircraft ... Velocity" Normal " Velocity" Phases of Flight& quot; Flight of a Paper Airplane Flight of a Paper Airplane
 Example 1.3-1, Flight...

Ngày tải lên: 04/07/2014, 19:19

... = v x v y v z ⎡ ⎣ ⎢ ⎢ ⎢ ⎢ ⎤ ⎦ ⎥ ⎥ ⎥ ⎥ F I = f x f y f z ⎡ ⎣ ⎢ ⎢ ⎢ ⎢ ⎤ ⎦ ⎥ ⎥ ⎥ ⎥ I = F gravity + F aerodynamics + F thrust ⎡ ⎣ ⎤ ⎦ I Rate of change of position! Rate of change of velocity! Vector of combined forces! Equations of ... Frame" C X C Y C Z ⎡ ⎣ ⎢ ⎢ ⎢ ⎤ ⎦ ⎥ ⎥ ⎥ B = axial force coefficient side force coefficient normal force coefficient ⎡ ⎣ ⎢ ⎢ ⎢ ⎤ ⎦ ⎥...

Ngày tải lên: 04/07/2014, 19:20

... effects" •  Short-Takeoff-and-Landing (STOL) aircraft augment takeoff/landing lift in many ways, e.g.," –  Full-span flaps" –  Deflected thrust" Grumman F8 F! Grumman F4 F! GB R1! C T o ,C T V ,C T δ T ,C L δ T World ... wings! –  largest aircraft of its time! •  Sud-Aviation Caravelle (1959)! –  1 st aircraft with twin aft- mounted engines! Small Commercial Jets...

Ngày tải lên: 04/07/2014, 19:21

... Axes" f B = X B Y B Z B ! " # # # $ % & & & m B = L B M B N B ! " # # # $ % & & & Force Vector" Moment Vector" r × f = i j k x y z f x f y f z = yf z − zf y ( ) i + zf x − xf z ( ) j + xf y − yf x ( ) k m = yf z − zf y ( ) zf x − xf z ( ) xf y − yf x ( ) # $ % % % % & ' ( ( ( ( =  rf ... Dihedral effect" •  Vertical t...

Ngày tải lên: 04/07/2014, 19:22

... Cruising Flight Performance
 Robert Stengel, Aircraft Flight Dynamics, MAE 331, 2012! Copyright 2012 by Robert Stengel. All rights reserved. For educational use only.! http://www.princeton.edu/ ~stengel/ MAE331.html! http://www.princeton.edu/ ~stengel/ FlightDynamics.html! •  ... tubes on Fouga Magister" Cessna 172 pitot tube" X-15 Q Ball" Flight Testing Ins...

Ngày tải lên: 04/07/2014, 19:24

... Glide" Climbing Flight Gliding, Climbing, and Turning Flight Performance
 Robert Stengel, Aircraft Flight Dynamics, MAE 331, 2012 ! Copyright 2012 by Robert Stengel. All rights reserved. For educational ... Flight Envelope Flight Envelope Determined by Available Thrust" •  Flight ceiling defined by available climb rate" –  Absolute: 0 ft/min" –  Ser...

Ngày tải lên: 04/07/2014, 19:25

... Construct aircraft moments and products of inertia from components using parallel-axis theorem" •  Model in Pro/ENGINEER, etc." Aircraft Equations of Motion - 1
 Robert Stengel, Aircraft ... Rate" Rate of Change of Angular Momentum •  Moments and products of inertia tabulated for geometric shapes with uniform density" Moments and Products of...

Ngày tải lên: 04/07/2014, 19:25

... sin γ ! " # # # $ % & & & Relationship of Inertial Axes to Velocity Axes" Aircraft Equations of Motion - 2
 Robert Stengel, Aircraft Flight Dynamics, MAE 331, 2012 " •  Rotating frames of reference" •  ... I B −1 M B −  ω B I B ω B ( ) •  Rate of change of Translational Position " •  Rate of change of Rotation Matrix " • ...

Ngày tải lên: 04/07/2014, 19:25

... matrix! Rigid-Body Equations of Motion (Scalar Notation)" •  Rate of change of Translational Position " •  Rate of change of Angular Position" •  Rate of change of Translational Velocity ... ) det A (n × n) (1 × 1) = C T det A ; C = matrix of cofactors Cofactors are signed minors of A" ij th minor of A is the determinant of A with the i th r...

Ngày tải lên: 04/07/2014, 19:25