A linear switching condition for third-order positive-negative feedback control systems

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in Transactions of the American Institute of Electrical Engineers, Part II: Applications and Industry

Vol. 80 (2), 53-59
https://doi.org/10.1109/TAI.1961.6371720

Abstract

A third-order switching servomechanism is investigated that operates in positive feedback for the first part of the transient response period and is switched into negative feedback for the last part. The optimum switching condition is determined for third-order systems with both a step position input and a step velocity input. The analysis is extended to higher-order systems. Experimental results of an analog computer study are presented.

Keywords

SWITCHES
EQUATIONS
NEGATIVE FEEDBACK
FEEDBACK CONTROL
TRAJECTORY
TRANSIENT RESPONSE

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