Author Affiliations

Jianqing Huang,^1,2 Yanmin Zhu,¹ Yuxing Li,¹ Yunping Zhang,¹ and Edmund Y. Lam^1,*

¹Department of Electrical and Electronic Engineering, The University of Hong Kong, Pokfulam, Hong Kong, SAR, China.

²Key Lab of Education Ministry for Power Machinery and Engineering, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.

^*Corresponding author: elam@eee.hku.hk