Active disturbance rejection control of torsional plant with unknown frequency harmonic disturbance
| Autor: | Rafal Madonski, Shihua Li, Sally S. L. Shao, Jun Yang, Momir Stankovic, Zhiqiang Gao |
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| Rok vydání: | 2020 |
| Předmět: |
0209 industrial biotechnology
Singular perturbation Disturbance (geology) Observer (quantum physics) Computer science Applied Mathematics 020208 electrical & electronic engineering Estimator 02 engineering and technology Active disturbance rejection control Computer Science Applications Vibration Mechanical system 020901 industrial engineering & automation Control and Systems Engineering Control theory 0202 electrical engineering electronic engineering information engineering Harmonic Electrical and Electronic Engineering |
| Zdroj: | Control Engineering Practice. 100:104413 |
| ISSN: | 0967-0661 |
| DOI: | 10.1016/j.conengprac.2020.104413 |
| Popis: | 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. |
| Databáze: | OpenAIRE |
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