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https://open.uns.ac.rs/handle/123456789/2597
Title: | Optimised active disturbance rejection motion control with resonant extended state observer | Authors: | Stanković, Milan Rapaić, Milan Manojlović, Dragan Mitrović, Dušanka Simić, Maja Naumović M. |
Issue Date: | 3-Aug-2019 | Journal: | International Journal of Control | Abstract: | © 2017, © 2017 Informa UK Limited, trading as Taylor & Francis Group. Tracking sinusoidal references with high precision and rejection of sinusoidal disturbances is a challenging task in the motion control practice. In order to deal with this control problem, a new resonant extended state observer is proposed and introduced in the active disturbance rejection control concept. The frequency analysis shows that an appropriate selection of resonant frequency provides complete rejection of sinusoidal disturbance and ideal reference tracking in the steady state. Further, it is shown that the proposed structure achieves better performances than generalised extended state observer based system in the wide frequency range. Moreover, in order to improve the system performances in transient period, the optimal parameter tuning method is developed. The results demonstrate that the optimally tuned system achieves better performances than the conventionally tuned one by about 25%, with the same robustness and noise sensitivity. The experimental validation of the new controller is carried out on the laboratory model of the didactic three-axis radar platform in fast sinusoidal reference tracking mode. | URI: | https://open.uns.ac.rs/handle/123456789/2597 | ISSN: | 207179 | DOI: | 10.1080/00207179.2017.1414308 |
Appears in Collections: | FTN Publikacije/Publications |
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