M. YOGESH is Assistant Professor, Department of Electrical and Electronics Engineering, Dayananda Sagar College of Engineering, Bangalore. His areas of interest include machines, power electronics and drives. B.S. NAGARAJA is Assistant Professor, Department of Electrical and Electronics Engineering, Dayananda Sagar College of Engineering, Bangalore. His areas of interest include power electronics and drives. N. NANDAN is Assistant Professor, Department of Electrical and Electronics Engineering, Dayananda Sagar College of Engineering, Bangalore. His areas of interest include PLC, SCADA, industrial automation and robotics.