Aircraft Flight Dynamics Robert F Stengel Lecture15 Transfer Functions and Frequency Response

... Rate Transfer Function" •  Angle of Attack Transfer Function" Short-Period Frequency Response (s = j  ) Expressed as Amplitude Ratio and Phase Angle" Pitch-rate frequency response& quot; Angle-of-attack ... e j φ α ( ω ) Bode Plot (Frequency Response of a Scalar Transfer Function)  Angle and Rate Response of a DC Motor over Wide Input- Frequency...

Ngày tải lên: 04/07/2014, 19:27

... 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" –  S...

Ngày tải lên: 04/07/2014, 19:25

... Natural frequency, rad/s ζ : Damping ratio, - Frequency Domain Description of LTI System Dynamics Fourier Transform of a Scalar Variable " •  Transformation from time domain to frequency ... ∂  ψ ∂ψ " # $ $ $ $ $ $ $ % & ' ' ' ' ' ' ' •  Four (6 x 6) blocks distinguish longitudinal and lateral-directional effects " F = F...

Ngày tải lên: 04/07/2014, 19:25

... of Linear Systems !  Time Response !  Root Locus Analysis of Parameter Variations !  Transfer Functions and Frequency Response  !  Aircraft Control and Systems !  Flight Testing !  Advanced ... vehicles. !  Understanding of aircraft equations of motion, configuration aerodynamics, and methods for analysis of linear and nonlinear systems. !  Appreciation of the...

Ngày tải lên: 04/07/2014, 19:19

... Frame" C X C Y C Z ⎡ ⎣ ⎢ ⎢ ⎢ ⎤ ⎦ ⎥ ⎥ ⎥ B = axial force coefficient side force coefficient normal force coefficient ⎡ ⎣ ⎢ ⎢ ⎢ ⎤ ⎦ ⎥ ⎥ ⎥ C D C Y C L ⎡ ⎣ ⎢ ⎢ ⎢ ⎤ ⎦ ⎥ ⎥ ⎥ = drag coefficient side force coefficient lift coefficient ⎡ ⎣ ⎢ ⎢ ⎢ ⎤ ⎦ ⎥ ⎥ ⎥ •  ... = v x v y v z ⎡ ⎣ ⎢ ⎢ ⎢ ⎢ ⎤ ⎦ ⎥ ⎥ ⎥ ⎥ F I = f x f y f z ⎡ ⎣ ⎢ ⎢ ⎢ ⎢ ⎤ ⎦ ⎥ ⎥ ⎥ ⎥ I = F gravity + F aerodynamics + F thrust ⎡...

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 ... compressibility effects on drag! •  Dramatic change in stability, control, and flying qualities! •  North American FJ-1 and FJ-4 Fury! •  Republic...

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! •  ... 0 •  Satisfy necessary condition for a maximum" •  Lift-to-drag ratio" •  Lift coefficient...

Ngày tải lên: 04/07/2014, 19:24

... theorem" •  Model in Pro/ENGINEER, etc." Aircraft Equations of Motion - 1
 Robert Stengel, Aircraft Flight Dynamics, 
 MAE 331, 2012 " •  6 degrees of freedom" •  Angular kinematics" •  ... geometric shapes with uniform density" Moments and Products of Inertia" (Bedford & Fowler)" •  Construct aircraft moments and products of...

Ngày tải lên: 04/07/2014, 19:25