外文版自动控制理论

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1、外文版《自动控制理论》多媒体课件制作2021/8/261AutomaticControlSystem1.AutomaticControlSystem1.1Introduction1.2Anexample1.3Typesofcontrolsystem2.MathematicalFoundation2.1Thetransferfunctionconcept2.2Theblockdiagram.2.3Signalflowgraphs2.4Constructionofsignalflowgraphs2.5Generalinput-

2、outputgaintransferfunction2021/8/262AutomaticControlSystem3.Time-DomainAnalysisOfControlSystem3.1Introduction3.2Typicaltestsignalsfortimeresponseofcontrolsystems3.3First–OrderSystems3.4PerformanceofaSecond-OrderSystem3.5ConceptofStability4.TheRootLocusTechniques4.

3、1Introduction4.2RootLocusConcept2021/8/263AutomaticControlSystem4.3TheRootLocusConstructionProcedureforGeneralSystem4.4Thezero-angle(negative)rootlocus5.Frequency-DomainAnalysisofControlSystem5.1FrequencyResponse5.2BodeDiagrams5.3BodeStabilityCriteria5.4TheNyquist

4、StabilityCriterion2021/8/264AutomaticControlSystem6.Controlsystemdesign6.1Introduction6.2CascadeLeadCompensation6.3PropertiesoftheCascadeLeadCompensator6.4ParameterDesignbytheRootLocusMethod2021/8/2651.Introduction2021/8/2661.1IntroductionInrecentyears,automaticco

5、ntrolsystemshaveassumedanincreasinglyimportantroleinthedevelopmentandadvancementofmoderncivilizationandtechnology.Domestically,automaticcontrolsinheatingandairconditioningsystems.Industrially,automaticcontrolsystemsarefoundinnumerousapplications,suchasqualitycontr

6、olofmanufacturedproducts,machinetoolcontrol,modernspacetechnologyandweaponsystems.Evensuchproblemsasinventorycontrol,socialandeconomicsystemscontrol,andenvironmentandhydrologicalsystemscontrolmaybeapproachedfromthetheoryofautomaticcontrol.2021/8/2671.2AnexampleThe

7、humanbeingisafeedbackcontrolsystem,letusconsiderthattheobjectiveistoreachforanobjectonadesk,Asoneisreachingfortheobject,thebrainsendsoutasignaltothearmtoperformthetask.Theeyesserveasasencingdevicewhichfeedbackcontinuouslythepositionofthehand.Thedistancebetweentheh

8、andandtheobjectistheerror,whichiseventuallybroughttozeroasthehandreachestheobject.Thisisatypicalexampleofclosed-loopcontrol.2021/8/2681.3Typesofcontrols