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AE430-SCAV
Stability and Control of Aerospace Vehicles

       

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Instructor:
PIER MARZOCCA

CAMP 234, Potsdam,
New York 13699-5725
(ph) 315-268-3875  (fax) 315-268-6695 
(Email) pmarzocc@clarkson.edu
(web) www.clarkson.edu/~pmarzocc/

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HOME

CLASS
MATERIAL

http://www.clarkson.edu/~pmarzocc/AE430/

Syllabus (pdf)

Class Notes:

AE-430-1
Stability and Control
Introduction

AE-430-2
Atmospheric
Flight Mechanics

AE-430-3
Static/Dynamic Stability/  Longitudinal Static
Stability (part I)

AE-430-4
Longitudinal Static Stability
(part II)

AE-430-5
Aircraft Control
Overview

AE-430-6
Longitudinal Control

AE-430-7
Directional Stability

AE-430-8
Aircraft Equations of Motion

AE-430-9

AE-430-10

AE-430-11

AE-430-12

AE-430-13

AE-430-14

AE-430-15


Reports folder

Homework Assignments

5-6 HWs, due date to be announced.
 
Math:

Matlab

Linear Algebra

Eig Solution with Matlab

PREREQUISITES

AE 455/ME 455, MA 231 (Calculus III), MA 232 (Differential Equations) or equivalent

BRIEF COURSE
OUTLINE

An introduction to atmosphere flight vehicle dynamics. Static stability and control. Equations of motion. Dynamic stability and control. Classical control theory. Transfer functions and block diagrams. Routh's criterion, Root locus techniques, Bode plots. Modern control theory. State space techniques. Observability, and controllability. Flying qualities, ratings and regulations. Application to aircraft autopilot design

TEXTBOOK

Nelson, R. C., Flight Stability and Automatic Control, 2nd Ed., McGraw-Hill Co., 1998

REFERENCES

Etkin, B., and Reid, L. D., Dynamics of Flight: Stability and Control, 3rd Ed., John Wiley & Sons, 1996
Pamadi, B. N., Performance, Stability, Dynamics, and Control of Airplanes, AIAA Education Series, 1998

LEARNING
OBJECTIVES

  • Introduce students to the fundamental concepts of atmospheric flight dynamics 
  • Enable students to analytically estimate static and dynamic stability derivatives 
  • Enable students to study the stability of longitudinal and lateral motions using the linearized equations
  • Enable students to obtain responses to actuation of open-loop and closed-loop controls
  • Enhance the studentsí written, oral, and graphical communication skills

COURSE
GOALS

  • Overview principles of flight and the classical/modern theory of stability and control 
  • Present conventional and unified notation for flight mechanics variables, forces, and moments 
  • Derive classical, uncoupled rigid body equations of motion used for S&C analysis of aircraft 
  • Define and physically explain the static and dynamic stability and control derivatives 
  • Understand the concepts of equilibrium, neutral point, trim, etc. 
  • Introduce transfer function representation, dynamic stability, and modes of motion 
  • Present examples of flight models used in analysis and design

GRADES

All tests will be closed book, closed notes, and held during the class period (1 hr 15 min).
[1] Homework  15%
[2] Test 1   20% (~ Sep 25)
[3] Test 2   20% (~ Oct 28)
[4] Test 3   20% (~ Nov 25)
[5] Project  25% (~ Project report and oral presentation - Dec 10)

PROJECT

Select one of the two projects illustrated next:
1) To enhance learning, the students are required to evaluate the stability and control characteristics of actual airplanes.  Each team (of two students) selects an airplane, obtains its geometric and mass data, computes stability and control derivatives, and studies the longitudinal and lateral-directional motions.  Students submit work-in-progress reports at mid-semester and final reports at the end and make oral presentations.
2) To enhance learning, the students are required to find one or more literature article (from a journal, book, etc.) where the problem of stability and control of airplanes has been treated.  Each team (of two students) should choose any of the topics under the general category of stability and control of airplane. However, aside from this constraint, the primary driving force in the selection of the paper topic should be your interest. You should review the literature in order to become familiar with your topic and the issues surrounding it. Students submit work-in-progress reports at mid-semester and final reports at the end and make oral presentations.
Note: Start this assignment early! ALL topics must be approved by the instructor, due date: first week of October.

DETAILED
OUTLINE

Flight Mechanics (Chapter 1)

  • Atmospheric flight mechanics, aerodynamic nomenclature, reference frames      

Static Stability and Control (Chapter 2)

  • Longitudinal static stability 
  • Pitch control
  • Lateral / directional static stability
  • Roll & yaw control
  • Stick forces 

Aircraft Equations of Motion (Chapter 3)

  • Linearized equations of motion
  • Dynamic stability 

Longitudinal Motion (Chapter 4)

  • Pure pitching motion 
  • Longitudinal EOM
  • Phugoid and short-period modes
  • Longitudinal flying qualities

Lateral Motion (Chapter 5)

  • Pure rolling motion
  • Pure yawing motion
  • Lateral EOM
  • Spiral, roll, and Dutch roll approximations
  • Lateral flying qualities
  • Aeroelastic effects

Introduction to Modern Control Theory (Chapter 9)

  • State-space modeling, Solution of state equations
  • Controllability and observability
  • State feedback design

Aircraft Autopilot Design Using Modern Control Theory (Chapter 10)

  • Longitudinal stability augmentation
  • Lateral stability augmentation
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Copyright ©2003- Marzocca Piergiovanni. All rights reserved. Privacy policy. Thusday, 18-Sept-2003 08:37:09 ET