@article{Disney2023,
title = "Discrete control: Theoretical background",
year = "2023,
note = "Research Methods Center: Operations 
Analytics Event, April 17th-19th, University of Exeter Business School, UK",
author = "Stephen M. Disney",
abstract = "An overview of discrete linear control theory is given. Topics covered include: Dynamical systems and difference equations. The z-transform. The time and the frequency domain.  Test responses - Impulse, step, ramp, parabolic. Initial value theorem and final value theorem. The poles and zeros of the transfer function. Stability. Aperiodicity. The Fourier transform and the frequency response. White noise variance ratio analysis."
}