IEEE TRANSACTIONS ON POWER ELECTRONICS, vol. 23, no. 3, page. 1288 - 1298, 2008-05
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, vol. 47, no. 3, page. 557 - 564, 2000-06
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, vol. 34, no. 3, page. 452 - 457, 1998-05