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Disturbance Rejection and Control System Design Based on an Improved Equivalent-Input-Disturbance Approach by Qicheng Mei; Jinhua She; Feng Wang; Yosuke Nakanishi is a Engineering article available to read on EtoBox.

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This article presents an improved equivalentinput-disturbance (EID) approach to actively rejecting exogenous disturbances for a plant. A control system based on the approach includes a new EID estimator constructed by embedding integrals to the conventional EID estimator. These integrals enable the estimator to improve the disturbance-estimation precision without amplifying the effect of measurement noise. Stability conditions of the control system are obtained using separation theorem. The system design ensures that the control system satisfies the stability conditions. Experiments of a rotational control system demonstrate the validity of the approach.

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Author

Qicheng Mei; Jinhua She; Feng Wang; Yosuke Nakanishi

Publisher

Institute of Electrical and Electronics Engineers (IEEE)

Published

2023

Language

EN

Field

Engineering (Physical Sciences)