2000•Unpublished venueRequires access

Relay based closed loop transfer function estimation

G.H.M. de Arruda, Péricles R. Barros

Abstract

Describes a technique for relay based closed loop transfer function estimation. Given a closed loop system, a user selected transfer function and a defined magnitude, then a relay experiment is used to obtain the frequency corresponding to the selected transfer function magnitude. In the paper the loop transfer function and the sensitivity transfer function are considered. This information can be used to evaluate certain transfer function properties or to redesign the controller.

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Available abstract

Key concepts: Closed-loop transfer function, Transfer function, Relay, Closed-loop pole, Control theory (sociology), Sensitivity (control systems), Function (biology), Loop (graph theory)