1. Center for buildings and Systems; Eindhoven University of Technology (TU/e); P.O. Box 513 5600MB Eindhoven the Netherlands
2. LAAS-CNRS; 7 avenue du Colonel Roche, F-31077 Toulouse France
3. Université de Toulouse: UPS, INSA, INP, ISAE, LAAS; F-31077 Toulouse France