PID-type controller tuning for unstable first order plus dead time processes based on gain and phase margin specifications

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dc.contributor.author Paraskevopoulos, PN en
dc.contributor.author Pasgianos, GD en
dc.contributor.author Arvanitis, KG en
dc.date.accessioned 2014-03-01T01:24:51Z
dc.date.available 2014-03-01T01:24:51Z
dc.date.issued 2006 en
dc.identifier.issn 1063-6536 en
dc.identifier.uri http://hdl.handle.net/123456789/17471
dc.subject Controller tuning en
dc.subject Dead-time processes en
dc.subject Gain and phase margins en
dc.subject Process control en
dc.subject Proportional-integral-differential (PID) controllers en
dc.subject Unstable processes en
dc.subject.classification Automation & Control Systems en
dc.subject.classification Engineering, Electrical & Electronic en
dc.subject.other Algorithms en
dc.subject.other Approximation theory en
dc.subject.other Iterative methods en
dc.subject.other Nyquist diagrams en
dc.subject.other Process control en
dc.subject.other Tuning en
dc.subject.other Controller tuning en
dc.subject.other Proportional integral (PI) controllers en
dc.subject.other Proportional-integral differential controllers en
dc.subject.other Unstable first-order plus dead-time (UFOPDT) processes en
dc.subject.other Control systems en
dc.title PID-type controller tuning for unstable first order plus dead time processes based on gain and phase margin specifications en
heal.type journalArticle en
heal.identifier.primary 10.1109/TCST.2006.876913 en
heal.identifier.secondary http://dx.doi.org/10.1109/TCST.2006.876913 en
heal.language English en
heal.publicationDate 2006 en
heal.abstract The control of unstable first-order plus dead-time (UFOPDT) processes using proportional-integral (PI) and proportional-integral-differential (PID) type controllers is investigated in this brief. New tuning rules based on the exact satisfaction of gain and phase margin specifications are proposed. The tuning rules are given in the form of iterative algorithms, as well as in the form of accurate, analytical approximations. Moreover, several specific functions, related to the crossover frequencies of the Nyquist plot and to the feasible design specifications for a given process, are derived. These functions, which are particularly useful for the general design of PI- and PID-type controllers for UFOPDT processes are accurately approximated, in order to simplify the tuning procedure. With the proposed approximations, the tuning rules reported in this brief require relatively small computational effort and are particularly useful for online applications. © 2006 IEEE. en
heal.journalName IEEE Transactions on Control Systems Technology en
dc.identifier.doi 10.1109/TCST.2006.876913 en
dc.identifier.isi ISI:000239709600013 en
dc.identifier.volume 14 en
dc.identifier.issue 5 en
dc.identifier.spage 926 en
dc.identifier.epage 936 en

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