1. Department of Electrical Engineering, Universidad de Castilla—La Mancha - Escuela de Ingeniería Industrial y Aeroespacial de Toledo, Toledo, Spain
2. Department of Electrical, Electronic and Control Engineering, Universidad de Castilla—La Mancha, Toledo, Spain
3. Department of Electrical Engineering, Universidad de Castilla—La Mancha - Escuela de Ingeniería Minera e Industrial de Almadén, Almadén, Spain
4. Department of Electrical Engineering, Universidad de Castilla—La Mancha, Toledo, Spain