Disturbance Rejection and Control System Design Using {1}-Inverse-Based Equivalent-Input-Disturbance Approach

Qicheng Mei; Jinhua She; Feng Wang; Yosuke Nakanishi; Hiroshi Hashimoto; Daisuke Chugo

doi:10.1109/TIE.2022.3161805

Disturbance Rejection and Control System Design Using {1}-Inverse-Based Equivalent-Input-Disturbance Approach

Qicheng Mei, Jinhua She^*, Feng Wang, Yosuke Nakanishi, Hiroshi Hashimoto, Daisuke Chugo

^*Corresponding author for this work

Graduate School of Environment and Energy Engineering

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

This article develops an improved equivalent-input-disturbance (EID) approach that rejects disturbances for a plant. A control system based on the approach includes an improved EID estimator, which is newly devised using a {1} inverse of the plant input matrix. Compared with a conventional EID estimator, the improved EID estimator has an additional free matrix. This free matrix enables the control system to improve the disturbance rejection performance but not increase the configuration complexity. An analysis of the control system explains how the free matrix improves the disturbance rejection performance. The experiments of a posture control system for a Stewart platform demonstrate the validity of the approach.

Original language	English
Pages (from-to)	1666-1675
Number of pages	10
Journal	IEEE Transactions on Industrial Electronics
Volume	70
Issue number	2
DOIs	https://doi.org/10.1109/TIE.2022.3161805
Publication status	Published - 2023 Feb 1

Keywords

Disturbance rejection
Stewart platform
equivalent input disturbance (EID)
{1} inverse

ASJC Scopus subject areas

Control and Systems Engineering
Electrical and Electronic Engineering

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10.1109/TIE.2022.3161805

Cite this

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AU - Hashimoto, Hiroshi

AU - Chugo, Daisuke

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AB - This article develops an improved equivalent-input-disturbance (EID) approach that rejects disturbances for a plant. A control system based on the approach includes an improved EID estimator, which is newly devised using a {1} inverse of the plant input matrix. Compared with a conventional EID estimator, the improved EID estimator has an additional free matrix. This free matrix enables the control system to improve the disturbance rejection performance but not increase the configuration complexity. An analysis of the control system explains how the free matrix improves the disturbance rejection performance. The experiments of a posture control system for a Stewart platform demonstrate the validity of the approach.

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Disturbance Rejection and Control System Design Using {1}-Inverse-Based Equivalent-Input-Disturbance Approach

Abstract

Keywords

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