Quan Zhu Quan.Zhu@uwe.ac.uk
Professor in Control Systems
Model-free sliding mode enhanced proportional, integral, and derivative (SMPID) control
Zhu, Quanmin
Authors
Abstract
This study proposes a type of Sliding Mode-based Proportional, Integral, and Derivative (SMPID) controllers to establish a model-free (treat dynamic plants as a whole uncertainty) sliding model control (MFSMC) platform for Bounded-Input and Bounded-Output (BIBO) dynamic systems. The SMPID design (1) proposes a sliding mode error (rather than error) as the PID input, (2) directly links to Lyapunov asymptotic stability to provide total robust nonlinear dynamic inversion (NDI), and (3) reduces the chattering effects in terms of Lyapunov definite positive stability. Further, the study proposes a general SMC framework to accommodate asymptotic time stabilisation and finite-time stabilisation for both model-based and model-free designs. A U-control framework is presented to integrate the SMPID control (for NDI) and an invariant control (IC) (for specifying the whole control system’s dynamic and static responses), which significantly relaxes the PID tunings and generates the specified performance. To provide assurance and guidance for applications and expansions, this study presents the relevant fundamental analyses and transparent simulated bench tests. It should be noted that the new SMPID in forms of (Formula presented.) is different from that studied (Formula presented.) in expression and functionality.
Citation
Zhu, Q. (2023). Model-free sliding mode enhanced proportional, integral, and derivative (SMPID) control. Axioms, 12(8), Article 721. https://doi.org/10.3390/axioms12080721
Journal Article Type | Article |
---|---|
Acceptance Date | Jul 19, 2023 |
Online Publication Date | Jul 25, 2023 |
Publication Date | Jul 25, 2023 |
Deposit Date | Aug 27, 2023 |
Publicly Available Date | Aug 29, 2023 |
Journal | Axioms |
Electronic ISSN | 2075-1680 |
Publisher | MDPI |
Peer Reviewed | Peer Reviewed |
Volume | 12 |
Issue | 8 |
Article Number | 721 |
DOI | https://doi.org/10.3390/axioms12080721 |
Keywords | Geometry and Topology, Logic, Mathematical Physics, Algebra and Number Theory, Analysis |
Public URL | https://uwe-repository.worktribe.com/output/11004304 |
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Model-free sliding mode enhanced proportional, integral, and derivative (SMPID) control
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Licence
http://creativecommons.org/licenses/by/4.0/
Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/
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