Date of Award

Summer 1986

Document Type

Dissertation - Restricted

Degree Name

Doctor of Philosophy (PhD)


Electrical and Computer Engineering

First Advisor

Wu, Sherman H.

Second Advisor

Heinen, James A.


The dissertation investigates the design of an optimum control system whose system response is to be guaranteed to remain within specified bounds despite large plant parameter variations. The research design used is the dominant type system approach in the discrete form with the application of parametric adaptation. The z-transform theory is utilized because it permits a faster design method. The parametric adaptation design considers two factors 1) when only the plant gain factor varies, and 2) when both the plant gain factor and plant poles vary within some specified parameter variation region considered acceptable for flight control systems. Computer graphics plotting method is used to generate the diagrams of the plant parametric regions and closed-loop system space, this permits a visual design aid and thus, allows rapid optimizing of the design.



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