1. School of Electrical and Electronic Engineering, Nanyang Technological University,Singapore
2. Dyson Technology Ltd.,Malmesbury,Wiltshire,U.K.,SN16ORP
3. The Hong Kong Polytechnic University,Department of Electrical Engineering,Hong Kong,SAR,China
4. Schaeffler Hub for Advanced Research at NTU (SHARE at NTU),Schaeffler Pte. Ltd.,Singapore