1. Study on a Wide Speed Range Integrated Electrical Transmission System
2. Hendershot, J.R., and Miller, T.H.E: ‘Design of brushless permanent-magnet motors’, (Oxford University, Oxford, UK 1994)
3. Krishnan, R.: ‘Electric motor drives, modeling, analysis, and control’, (Prentice Hall, USA 2001)
4. High-performance PM synchronous motor drive for an electrical scooter