4Th Ifac Workshop on Linear Parameter Varying Systems (Lpvs), Date: JUL 19-20, 2021, Location: Milan, ITALY, Sponsors: Int Federat Automat Control, Int Federat Automat Control, Tech Comm 2 2 Linear Control Syst, Int Federat Automat Control, Tech Comm 1 1 Modelling, Identificat & Signal Proc, Int Federat Automat Control, Tech Comm 2 5 Robust Control, IEEE Tech Comm Syst Identificat & Adapt Control, Italian Soc Teachers & Researchers Automat Control