?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Facta.bibl.u-szeged.hu%2F58145%2F&rft.title=Global+stability+in+a+system+using+echo+for+position+control&rft.creator=+Bartha+Ferenc+A.&rft.creator=+Krisztin+Tibor&rft.description=We+consider+a+system+of+equations+describing+automatic+position+control+by+echo.+The+system+can+be+reduced+to+a+single+differential+equation+with+state-dependent+delay.+The+delayed+terms+come+from+the+control+mechanism+and+the+reaction+time.+H.-O.+Walther+%5BDiffer.+Integral+Equ.+15(2002)%2C+No.+8%2C+923%E2%80%93944%5D+proved+that+stable+periodic+motion+is+possible+for+large+enough+reaction+time.+We+show+that%2C+for+sufficiently+small+reaction+lag%2C+the+control+is+perfect%2C+i.e.%2C+the+preferred+position+of+the+system+is+globally+asymptotically+stable.&rft.date=2018&rft.type=Foly%C3%B3irat&rft.type=NonPeerReviewed&rft.format=part&rft.language=hu&rft.identifier=http%3A%2F%2Facta.bibl.u-szeged.hu%2F58145%2F1%2Fejqtde_2018_040.pdf&rft.identifier=+++Bartha+Ferenc+A.%3B++Krisztin+Tibor%3A+++Global+stability+in+a+system+using+echo+for+position+control.++(2018)+++