1. The School of Engineering and Information Technology, The University of New South Wales,Canberra,ACT,Australia
2. University of Malaya,The Power Electronics and Renewable Energy Research Laboratory (PEARL),Kuala Lumpur,Malaysia
3. The School of Science, Computing and Engineering Technologies, Swinburne University of Technology,Hawthorn,VIC,Australia,3122
4. Institute of Automatic Control and Robotics, Warsaw University of Technology,Faculty of Mechatronics,Warsaw,Poland