Design methodology for tracking certain and uncertain non-minimum phase systems /

A design methodology is developed for obtaining tracking

Bibliographic Details
Main Author: DeVoucalla, George David
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1997.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:A design methodology is developed for obtaining tracking
any combination of exponential, polynomial and sinusoidal
are developed which guarantee robust tracking for uncertain
because it clearly shows the effect of the non-minimum phase
centers around a solution for the error equation E(s) = [1 -
complicates the design process because the perfect-tracking
controller which will make [1 - H(s)] orthogonal to Yd(S).
controllers for non-minimum phase systems. The discussion
demonstrated for systems that do not have plant uncertainty.
Examples are given which show that non-minimum phase systems
Examples are provided to show how to select a feedforward
feedback controller. QFT is used as the robust design tool
feedforward controller only provides perfect tracking for the
Feedforward controllers can be selected to perfectly track
H(s)] Yd(S)'Tracking error is eliminated by making [1 - H(s)]
have inherent performance limitations which are compounded
input signals. The introduction of plant uncertainty
nominal system. In the presence of plant uncertainty, robust
only provided by the feedback controller. Magnitude bounds
orthogonal to Yd(S)- Perfect tracking is achieved and
stability. These bounds are used as guides for designing a
systems. Phase bounds are also developed which insure robust
tracking performance is determined by sensitivity reduction
when uncertainty is introduced.
zeros and plant uncertainty on robust tracking performance.
Item Description:"Major subject: Mechanical Engineering".
Vita.
Physical Description:xi, 97 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references.