LAPSE:2018.0422
Published Article
LAPSE:2018.0422
Input Shaping Predictive Functional Control for Different Types of Challenging Dynamics Processes
Muhammad Abdullah, John Anthony Rossiter
August 28, 2018
Predictive functional control (PFC) is a fast and effective controller that is widely used for processes with simple dynamics. This paper proposes some techniques for improving its reliability when applied to systems with more challenging dynamics, such as those with open-loop unstable poles, oscillatory modes, or integrating modes. One historical proposal considered is to eliminate or cancel the undesirable poles via input shaping of the predictions, but this approach is shown to sometimes result in relatively poor performance. Consequently, this paper proposes to shape these poles, rather than cancelling them, to further enhance the tuning, feasibility, and stability properties of PFC. The proposed modification is analysed and evaluated on several numerical examples and also a hardware application.
Keywords
input shaping, integrating, predictive control, underdamped, unstable
Suggested Citation
Abdullah M, Rossiter JA. Input Shaping Predictive Functional Control for Different Types of Challenging Dynamics Processes. (2018). LAPSE:2018.0422
Author Affiliations
Abdullah M: Department of Automatic Control and System Engineering, University of Sheffield, Mappin Street, Sheffield S1 3JD, UK; Department of Mechanical Engineering, International Islamic University Malaysia, Jalan Gombak, Kuala Lumpur 53100, Malaysia
Rossiter JA: Department of Automatic Control and System Engineering, University of Sheffield, Mappin Street, Sheffield S1 3JD, UK [ORCID]
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Journal Name
Processes
Volume
6
Issue
8
Article Number
E118
Year
2018
Publication Date
2018-08-07
Published Version
ISSN
2227-9717
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PII: pr6080118, Publication Type: Journal Article
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LAPSE:2018.0422
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doi:10.3390/pr6080118
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Aug 28, 2018
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