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Chapter1:Introduction
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MiningandMetallurgy,Krakow(Engel,Kowal,Gołaś,Sapiński,Batko,Cieślik,
Wiciak,Kozupa),CentralInstituteforLabourProtection,Warsaw(Zawieska,
Makarewicz,Morzyński,Górski),UniversityofRzeszów(Leniowska,Rdzanek),
BiałystokUniversityofTechnology(Gosiewski),GdańskUniversityof
Technology(Niedźwiecki,Meller),andSilesianUniversityofTechnology,
Gliwice(Niederliński,Ogonowski,Mościński,Pawełczyk,Bismor,Figwer,Czyż,
Michalczyk,Latos,Mazur).Importantresearch,supportingANCdevelopmenthas
concernedalsostudiesontransducersandsubjectiveevaluationofnoisecontrol
results.IthasbeenperformedintheWrocławUniversityofTechnology[Dobrucki
andPlaskota,2010].Therearemanymoreresearchersinthoseandother
institutionsinPoland,involvedinactivecontrol,includingMaster’sandPh.D.
students.Therearealsomanyothers,whoareinvolvedinaneighbouringfield,
whichisvibrationcontrol.
ThemaincentresdealingwithANCand/orASACinothercountriesarein
Southampton,Leuven,Adelaide,Kalskrona,Singapore,Hiroshima,Hamburg,
Zurich,andValencia.
WithintheInstituteofAutomaticControlattheSilesianUniversity
ofTechnology,Gliwice,Poland,theauthorhasbeendealingwiththeproblems
ofANCandASACcontinuouslysince1994.HisM.Sc.thesis,Ph.D.thesisand
Habilitationconcernedactivecontrol.Heandhiscolleagueshashadalaboratory
includingstandsforactivenoisereductioninacousticduct,activeheadsets,active
earplugs,activeheadrests,activetelephoneset,3-Denclosures,ASACwith
avibratingplate,asetforsemi-activecontrol,andamicrophonearrayof
64microphoneswithappropriatesoftwareformonitoringzonesofquiet.Alarge
ventilationsystemforanANCprojectiscurrentlybeingbuiltincooperationwith
acompany.