Application to Control and Communications
Who are you going to believe? Me or your own eyes.
Julius “Groucho” Marx (1890–1977) comedian and actor
6.1 Introduction
Control and communications are areas in electrical engineering where the Laplace and the Fourier analyses apply. In this chapter, we illustrate how these transform methods and the concepts of transfer function, frequency response, and spectrum connect with the classical theories of control and communications.
In classical control, the objective is to change the dynamics of a given system to be able to achieve a desired response by frequency-domain methods. This is typically done by means of a feedback connection of a controller to a plant. The plant is a system such as a motor, ...
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