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自动化学报 2005
预测PI控制系统的时滞稳定裕度, PP. 530-536 Keywords: PredictivePI,stabilityanalysis,stabilitydelaymargin Abstract: ？Thevariationofplantdead-timedeeplyaffectsthestabilityofthepredictivePIcontrolsystem.ItisimportantfordesigningandapplyingthePPIcontrollertocalculatethedelaymargin.AcriterionofstabilityforthePPIsystemandthequantitiverelationshipamongthedelaymargin,thetimeconstantoftheclosed-loopsystem,andthedead-timeofthemodelaregiven.Agraphicalgorithmtocomputethedelaymarginisalsodeveloped.Thephenomenonthatthereexistmorethanonestabilitydelayzonesisdiscussed.Thealgorithmisshowntobeprecisebysomesimulations.
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