1. Department of Industrial Engineering , University of A Coruña, CTC, CITIC, 15403 Ferrol, A Coruña, Spain, alvaro.michelena@udc.es
2. Department of Electrical and Systems Engineering , University of León, 24007 León, Spain, mgaro@unileon.es
3. Department of Electrical and Systems Engineering , University of León, 24007 León, Spain, jose.aveleira@unileon.es
4. Department of Mechanic Engineering , Computer and Aerospacial Sciences, University of León, 24007 León, Spain, david.yeregui.marcos@gmail.com
5. Department of Industrial Engineering , University of A Coruña, CTC, CITIC, 15403 Ferrol, A Coruña, Spain, miriam.timiraos.diaz@udc.es
6. Department of Industrial Engineering , University of A Coruña, CTC, CITIC, 15403 Ferrol, A Coruña, Spain, f.zayas.gato@udc.es
7. Department of Industrial Engineering , University of A Coruña, CTC, CITIC, 15403 Ferrol, A Coruña, Spain, esteban.jove@udc.es
8. Department of Industrial Engineering , University of A Coruña, CTC, CITIC, 15403 Ferrol, A Coruña, Spain, jose.luis.casteleiro@udc.es
9. Department of Industrial Engineering , University of A Coruña, CTC, CITIC, 15403 Ferrol, A Coruña, Spain, hector.quintian@udc.es
10. Department of Electrical and Systems Engineering , University of León, 24007 León, Spain, hector.moreton@unileon.es
11. Department of Industrial Engineering , University of A Coruña, CTC, CITIC, 15403 Ferrol, A Coruña, Spain, jlcalvo@udc.es