1. University College Cork School of Engineering and Architecture-Electrical &, Electronic Engineering, , College Road, Cork T12 K8AF , Ireland ;
2. Munster Technological University Department of Mechanical, Biomedical and Manufacturing, , Bishopstown, Cork T12 P928 , Ireland
3. University College Cork School of Engineering and Architecture-Electrical & Electronic Engineering, , College Road, Cork T12 K8AF , Ireland