Delphin ProfiMessage - 4.7.14.1.3 Continuous controller (PID)

ProfiMessage
4.7.14.1.3 Continuouscontroller(PID)
Withcontinuouscontrollers,themanipulatedvariableYassumesanyvaluewithin
aworkingrange.
l Pcontroller:ThePcontrollerchangesthemanipulatedvariableimmediately
proportionallytothechangeinthecontroldeviation.
l Icontroller:TheIcontroller(integrator)assignsaparticularcontrolratetoa
particularcontroldeviation.
l PIcontroller:ThePIcontrollerisformedbycombiningaPcontrollerwithanI
controller.ThePIcontrollercontainsaproportionalandanintegralterm.
l PDcontroller:ThecontrollercomprisesacontrollerwithaPtermandaD
term.Thederivativeelementassignsamanipulatedvariabletoaparticular
changerateofthecontroldeviation.
l PIDcontroller:Themanipulatedvariableconsistsofaproportional,aninteg-
ralandaderivativeterm.
Controller choice
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Delphin Technology AG
Dezember 2015
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