Genetic algorithms for tuning fuzzy membership functions in flight control software /

"Cruise" are defined in a rulebase file, along with fuzzy

Bibliographic Details
Main Author: Harral, Vance Quinton
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1995.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:"Cruise" are defined in a rulebase file, along with fuzzy
based on a parameterized genetic algorithm (GA) was developed
Because the FMI is meant to operate on numerous aircraft, it
commercial aircraft to their general aviation brethren. One
construction of independent rulebases for different aircraft
expected partitions of the aircraft state space. The FMI
Expert Builder, this tool aids in the development of
flight instruments. Flight modes such as "Takeoff' and
flight mode based on applying aircraft sensor data to the
Flight Mode Interpreter (FMI). The FMI performs real-time,
FMI, it was discovered that the construction of these fuzzy
has been beset by flagging membership and substantial
has pursued research in the area of general aviation cockpit
head start in the development of rulebases, and also proved
high-level situation recognition based on data from aircraft
improve training programs, and increase safety factors, the
In the past twenty years, the U.S. general aviation industry
increases in operating costs. In an attempt to reduce costs,
Knowledge Based Control Systems Group at Texas A&M University
management. This research has investigated low-cost
MBFs which allowed the FMI to make correct decisions was not.
membership functions (MBFs) which map the flight modes to
not produce final, polished solutions, it provides a valuable
process used to generate first-cut MBFS. While the tool does
project developed during the course of this research was a
rulebase development process. This would allow the
rulebases for the FMI by automating the trial-and-error
rulebases was a tedious and time-consuming task. Defining
rules contained in the rulebase. During development of the
solutions which bring the sophisticated cockpit technology of
studied and functionally verified.
the flight modes to be recognized was simple, but developing
to address this need for automation. Known as the GAPATS
to be a useful mechanism by which the FMI software may be
to proceed in the most efficient manner possible. A solution
uses a fuzzy logic inference engine to determine the current
was advantageous to study methods for automating parts of the
Item Description:"Major subject: Electrical Engineering".
Vita.
Physical Description:xii, 225 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references.