[1] Department of Mechatronics Engineering, University of Nigeria, Nsukka, Nigeria
[2] Department of Electrical and Electronics Engineering, University of Abuja, Nigeria
[3] Department of Electrical and Electronic Engineering, Enugu State University of Science and Technology, Enugu, Nigeria
[4] Department of Electrical and Electronics Engineering, University of Ibadan, Ibadan, Nigeria
[5] Department of Physics and Astronomy, University of Nigeria, Nsukka, Nigeria