资源描述：
《high performance control》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、HighPerformanceControlT.T.Tay1I.M.Y.Mareels2J.B.Moore319971.DepartmentofElectricalEngineering,NationalUniversityofSingapore,Sin-gapore.2.DepartmentofElectricalandElectronicEngineering,UniversityofMelbourne,Australia.3.DepartmentofSystemsEngineering,ResearchSchoolofInformationSciencesandEngineering,
2、AustralianNationalUniversity,Australia.PrefaceTheengineeringobjectiveofhighperformancecontrolusingthetoolsofoptimalcontroltheory,robustcontroltheory,andadaptivecontroltheoryismoreachiev-ablenowthaneverbefore,andtheneedhasneverbeengreater.Ofcourse,whenweusethetermhighperformancecontrolwearethinkingo
3、fachievingthisintherealworldwithallitscomplexity,uncertaintyandvariability.Sincewedonotexpecttoalwaysachieveourdesires,amorecompletetitleforthisbookcouldbe“TowardsHighPerformanceControl”.Toillustrateourtask,considerasanexampleadiskdrivetrackingsystemforaportablecomputer.Thebetterthecontrollerperfor
4、manceinthepresenceofeccen-tricityuncertaintiesandexternaldisturbances,suchasvibrationswhenoperatedinamovingvehicle,themoretrackscanbeusedonthediskandthemorememoryithas.Manysystemstodayarecontrolsystemlimitedandthequestisforhighperformanceintherealworld.InourothertextsAndersonandMoore(1989),Anderson
5、andMoore(1979),Elliott,AggounandMoore(1994),HelmkeandMoore(1994)andMareelsandPolderman(1996),theemphasishasbeenonoptimizationtechniques,optimales-timationandcontrol,andadaptivecontrolasseparatetools.Ofcourse,robustnessissuesareaddressedintheseseparateapproachestosystemdesign,butthetaskofblendingopt
6、imalcontrolandadaptivecontrolinsuchawaythatthestrengthsofeachisexploitedtocovertheweaknessoftheotherseemstoustheonlywaytoachievehighperformancecontrolinuncertainandnoisyenvironments.Theconceptsuponwhichwebuildwerefirsttestedbyoneofus,JohnMoore,onhighorderNASAflexiblewingaircraftmodelswithfluttermodeun
7、certainties.ThiswasatBoeingCommercialAirplaneCompanyinthelate1970s,workingwithDagfinnGangsaas.Theengineeringintuitionseemedtoworksurprisinglywellandindeed180phasemarginsathighgainswasachieved,buttherewasash
