1. School of Engineering, Universidad Autónoma de Bucaramanga, Bucaramanga, Colombia
2. Department of Automatics and Electronics Engineering, Universidad Autónoma de Occidente, Cali, Colombia
3. Department of Electrical Engineering, Polytechnic Center, Universidade Federal do Paraná, Curitiba, Brazil
4. School of Electrical and Electronic Engineering, Universidad Pontificia Bolivariana, Bucaramanga, Colombia