An analog simulation of a discrete compensator for a sampled-data system

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Author
Enos, Ralph Lindsay
Date
1960Advisor
Dorf, Richard C.
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Show full item recordAbstract
A general method for the analog simulation of an n order digital
discrete compensator in a sampled-data servo system is presented,, The
method employs operational amplifiers such as are found in ordinary
laboratory analog computers 5 and relay sampling switches driven by a low
frequency function generator. The method is discussed in relation to the trend to the use of digital
devices in control systems and its theoretical development in the
algebra of the z-transformation is sketched . The validity of the method
was proved by comparing calculated with simulated responses $ showing the
accuracy of the simulated system to be no less than that of the computer
itself. The usefulness of the simulated discrete compensator is shown in a
general investigation of step responses for various z-plane root locations
and in an investigation of a simple adaptive system.
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