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1、284301,01999018"3*.Oco^O:O>ZoCDm§i1ISBN1-55617-516-790000>9"781556"175169:PIDControllers::Theory,•Design,Tuning2NDE0ITI0PIDControllers,2ndEditionbyKarlJ.AstromandToreHagglundc284301iimill019990103Copyright©1995byInstrumentSocietyofAmerica67AlexanderDriveP.O.Box12277Rese
2、archTrianglePark,NC27709Allrightsreserved.PrintedintheUnitedStatesofAmerica.109876543ISBN1-55617-516-7Nopartofthisworkmaybereproduced,storedinaretrievalsystem,ortransmittedinanyformorbyanymeans,electronic,mechanical,photocopying,recordingorotherwise,withoutthepriorwritt
3、enpermissionofthepublisher.LibraryofCongressCataloging-in-PublicationDataAstrom,KarlJ.(KarlJohan),1934-PIDcontrollers:theory,design,andtuning/KarlJohanAstromandToreHagglund.—2nded.p.cm.Rev.ed.of:AutomatictuningofPIDcontrollers.cl988.Includesbibliographicalreferencesandi
4、ndex.ISBN1-55617-516-71.PIDcontrollers.I.Hagglund,Tore.II.Astrom,KarlJ.(KarlJohan),1934-AutomatictuningofPIDcontrollers.HI.TitleTJ223.P55A87199494-10795629.8-dc20CIPPrefaceIn1988wepublishedthebookAutomaticTuningofPIDControllers,whichsummarizedexperiencesgainedinthedevel
5、opmentofanau¬tomatictunerforaPIDcontroller.Thepresentbookmayberegardedasacontinuationofthatbook,althoughithasbeensignificantlyex¬panded.Since1988wehavelearnedmuchmoreaboutPIDcontrolasaresultofourinvolvementinresearchandindustrialdevelopmentofPIDcontrollers.Becauseofthis
6、westronglybelievethatthepracticeofPIDcanbeimprovedconsiderably,andthatthiswillcontributesignificantlytoimprovedqualityofmanufacturing.Thisbeliefhasbeenstronglyreinforcedbyrecentpublicationsoftheindustrialstateoftheart,whicharereferencedinChapter1.Themainreasonforwriting
7、thisbookistocontributetoabet¬terunderstandingofPIDcontrol.AnotherreasonisthatinformationaboutPIDcontrolisscatteredinthecontrolliterature.ThePIDcon¬trollerhasnotattractedmuchattentionfromtheresearchcommunityduringthepastdecades,anditisoftencoveredinadequatelyinstan¬dardt
8、extbooksincontrol.WebelievethatthisbookwillbeusefultousersandmanufacturersofPIDcontrollersaswellaseducators.It