This document may be downloaded, read, stored and printed for your own use within the limits of § 53 UrhG but it may not be distributed via the internet or passed on to external parties.Dieses Dokument darf im Rahmen von § 53 UrhG zum eigenen Gebrauch kostenfrei heruntergeladen, gelesen, gespeichert und ausgedruckt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden.Schneider, Klaus R.Grin, Alexander2022-06-232022-06-232019https://oa.tib.eu/renate/handle/123456789/9223https://doi.org/10.34657/8261We present a new approach for the global bifurcation analysis of limit cycles for a generalized van der Pol system. It is based on the existence of a Dulac-Cherkas function and on applying two topologically equivalent systems: one of them is a rotated vector field, the other one is a singularly perturbed system.eng510Global bifurcation analysisgeneralized van der Pol systemDulac--Cherkas functionrotated vector fieldsingularly perturbed systemReport10 S.