Design of robust fractional-order control systems

Date of Publication

2013

Document Type

Dissertation

Degree Name

Doctor of Philosophy in Electronics and Communications Engineering

College

Gokongwei College of Engineering

Department/Unit

Electronics and Communications Engineering

Thesis Adviser

Celso B. Co

Abstract/Summary

This dissertation presents various approaches and techniques in controlling both integer- and fractional-order processes. Approaches include: 1) The use of the Internal Model Control (IMC) methodology with first-order IMC filters to ensure that robustness is obtained given the required disturbance rejection gain value 2) Retuning of an existing unity-feedback system to incorporation fractional-order dynamics by introducing a new external controller without manipulating the original system and 3) Utilizing the Posicast control methodology in controlling a damped fractional-order process by manipulating the input signal. Real-world manifestations of fractional-order dynamics are also presented in this dissertation emphasizing in its applications to bioelectrodes. The design and synthesis of fractional-order elements using RC ladders and operations amplifiers are also presented.

Abstract Format

html

Language

English

Format

Electronic

Accession Number

CDTG005618

Shelf Location

Archives, The Learning Commons, 12F Henry Sy Sr. Hall

Physical Description

1 computer optical disc ; 4 3/4 in.

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