1954•Transactions of the American Society of Mechanical EngineersRequires access

Proportional Control of Rate-Type Servomotors

J. L. Shearer

Abstract

Abstract Optimum proportional control of various kinds of rate-type servomotors having second-order lag effects has been determined by means of an electronic-analog study. The results of this study, presented in the form of non-dimensional graphs, establish the conditions for obtaining the fastest closed-loop response with no overshoot and closed-loop response with 20 per cent overshoot. Information relating to the speed of response associated with optimum control also is given graphically. It is shown that the results of this work may be applied likewise to the floating control of second-order processes.

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Key concepts: Overshoot (microwave communication), Control theory (sociology), Servomotor, Lag, Closed loop, Step response, Mathematics, Type (biology)