Document Type
Article
Publication Date
7-1-2020
Publication Title
Control Engineering Practice
Abstract
In this work, a new robust control algorithm is introduced for uncertain systems with harmonic disturbances of unknown frequencies. The proposed solution works under the active disturbance rejection control (ADRC) framework and utilizes a specialized observer for sinusoidal uncertainties, aided with an on-line harmonic disturbance frequency estimator. The entire governing structure is derived in a convenient error-based domain, easily deployable in various industrial control software. The idea behind the introduced approach is general, but is conveyed here using solely a three degrees-of-freedom torsional system, which is considered a benchmark for vibration phenomenon in many mechanical systems. The efficacy of the proposed control scheme is validated with a set of experiments on a laboratory testbed and a theoretical analysis based on theory of singular perturbation.
Repository Citation
Madonski, Rafal; Stanković, Momir; Shao, Sally; Gao, Zhiqiang; Yang, Jun; and Li, Shihua, "Active Disturbance Rejection Control of Torsional Plant with Unknown Frequency Harmonic Disturbance" (2020). Mathematics and Statistics Faculty Publications. 328.
https://engagedscholarship.csuohio.edu/scimath_facpub/328
DOI
10.1016/j.conengprac.2020.104413
Version
Postprint
Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-No Derivative Works 4.0 International License.
Volume
100
