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dc.contributor.authorMoghadam, M.
dc.contributor.authorPadula, Fabrizio
dc.contributor.authorNtogramatzidis, Lorenzo
dc.date.accessioned2018-08-08T04:43:09Z
dc.date.available2018-08-08T04:43:09Z
dc.date.created2018-08-08T03:50:50Z
dc.date.issued2018
dc.identifier.citationMoghadam, M. and Padula, F. and Ntogramatzidis, L. 2018. Tuning and performance assessment of complex fractional-order PI controllers. IFAC-PapersOnLine. 51 (4): pp. 757-762.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/70026
dc.identifier.doi10.1016/j.ifacol.2018.06.205
dc.description.abstract

In this paper, we propose an optimization-based tuning methodology for real and complex Fractional-Order Proportional-Integral (FOPI) controllers. The proposed approach hinges on a modified version of the Integral Absolute Error (IAE) sensitivity-constrained optimization problem, which is suitably adapted to the design of fractional controllers. As such, it allows the exploitation of the potentiality of the (possibly complex) fractional integrator. We also propose a method, based on the well-known CRONE approximation, which delivers a band-limited real-rational approximation of the real part of the complex-order integrator. Finally, based on a First-Order-Plus-Dead-Time (FOPDT) model of the process, we use our design and approximation techniques to find an optimal tuning for real, complex fractional-order, and integer PI controllers and we provide a quantitative performance assessment.

dc.titleTuning and performance assessment of complex fractional-order PI controllers
dc.typeJournal Article
dcterms.source.volume51
dcterms.source.number4
dcterms.source.startPage757
dcterms.source.endPage762
dcterms.source.issn2405-8963
dcterms.source.titleIFAC-PapersOnLine
curtin.departmentSchool of Electrical Engineering, Computing and Mathematical Science (EECMS)
curtin.accessStatusFulltext not available


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