1. Department of Electrical EngineeringETSEIB‐UPCAv. Diagonal 64708028BarcelonaSpain
2. Department of Industrial and Design System EngineeringUniv. Jaume IAv. de Vicent Sos Baynat, s/n12071Castelló de la PlanaSpain
3. Department of Electrical EngineeringCITCEA‐UPCAv. Diagonal 64708028BarcelonaSpain
4. School of EngineeringCardiff UniversityCF24 3AACardiffUK