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      • Record: found
      • Abstract: found
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      Is Open Access

      Non-singular terminal super-twitsing control of servo systems with backlash

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          There is no author summary for this article yet. Authors can add summaries to their articles on ScienceOpen to make them more accessible to a non-specialist audience.

          Abstract

          To improve the control performance of servo systems under time-varying disturbances, a nonsingular terminal super twisting sliding mode control (NTSTC) method based on a reduced-order generalized proportional-integral observer is proposed. The method combines the third-order super-twisting and non-singular fast sliding mode to form an improved non-singular terminal super-twisting controller, while the reduced-order generalized proportional-integral observer is designed to accurately estimate the unknown part of the perturbation in real time and feed-forward compensation for NTSTC. The anti-interference ability and robustness of the motor control system are effectively improved, and the fault-tolerant control of the servo system under parameter disturbance and unknown disturbance is realized. Finally, the effectiveness of the proposed control algorithm is verified by simulation.

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          Neural-Network-Based Adaptive Singularity-Free Fixed-Time Attitude Tracking Control for Spacecrafts

          Qiang Chen, Shuzong Xie, Xiongxiong He (2021)
          Article 0 comments Cited 10 times – based on 0 reviews     Review now
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            Self-tuning fuzzy PID-nonsingular fast terminal sliding mode control for robust fault tolerant control of robot manipulators

            Mien Van, Xuan Phu Do, Michalis Mavrovouniotis (2019)
            Article 0 comments Cited 10 times – based on 0 reviews     Review now
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              Nonlinear system controlled using novel adaptive fixed-time SMC

              Saim Ahmed, Ahmad Taher Azar, Ibraheem Kasim Ibraheem (2024)
              This work introduces a novel adaptive fixed-time control strategy for nonlinear systems subject to external disturbances. The focus pertains to the introduction of the fixed-time terminal sliding mode control (FxSMC) technique. The proposed scheme exhibits rapid convergence, chatter-free and smooth control inputs, and stability within a fixed time. The utilization of an adaptive methodology in combination with the FxSMC yields the proposed strategy. This approach is employed to address the dynamic system in the presence of external disturbances. The results obtained from the Lyapunov analysis will provide insights into the stability of the closed-loop system in a fixed time. In the end, the simulation results are presented in order to assess and demonstrate the effectiveness of the methodology.
              Article 0 comments Cited 4 times – based on 0 reviews     Review now
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                Author and article information

                Contributors
                Taoyu Wang: 21000702@nue.edu.cn
                Journal
                Journal ID (nlm-ta): Sci Rep
                Journal ID (iso-abbrev): Sci Rep
                Title: Scientific Reports
                Publisher: Nature Publishing Group UK (London )
                ISSN (Electronic): 2045-2322
                Publication date (Electronic): 13 February 2025
                Publication date PMC-release: 13 February 2025
                Publication date Collection: 2025
                Volume: 15
                Electronic Location Identifier: 5329
                Affiliations
                [1 ]Naval University of Engineering, ( https://ror.org/056vyez31) Wuhan, 430000 China
                [2 ]Department of Control Science and Engineering, Naval Aeronautical University, ( https://ror.org/02j2yhq26) Yantai, 264001 China
                Article
                Publisher ID: 88795
                DOI: 10.1038/s41598-025-88795-7
                PMC ID: 11825871
                PubMed ID: 39948357
                SO-VID: 5a2164b6-9755-4b04-8a66-6b009c6787a5
                Copyright © © The Author(s) 2025
                License:

                Open Access This article is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License, which permits any non-commercial use, sharing, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if you modified the licensed material. You do not have permission under this licence to share adapted material derived from this article or parts of it. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by-nc-nd/4.0/.

                History
                Date received : 21 July 2024
                Date accepted : 30 January 2025
                Categories
                Subject: Article
                Custom metadata
                issue-copyright-statement © Springer Nature Limited 2025

                ScienceOpen disciplines: Uncategorized
                Keywords: backlash,reduced-order generalized proportional-integral observer,non-singular terminal sliding mode control,super-twisting control,electrical and electronic engineering,mechanical engineering
                Data availability:
                ScienceOpen disciplines: Uncategorized
                Keywords: backlash, reduced-order generalized proportional-integral observer, non-singular terminal sliding mode control, super-twisting control, electrical and electronic engineering, mechanical engineering

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