1. Facultad de Ciencias de la Electrónica, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
2. Centre for Automation and Robotics UPM - CSIC, Intelligent Control Group, Universidad Politecnica de Madrid, Madrid, Spain
3. Department of Electrical, Electronics, Control Engineering and Applied Physics, Higher Technical School of Industrial Design and Engineering, Universidad Politecnica de Madrid, Madrid, Spain