[1] Nanjing Univ Aeronaut & Astronaut, Coll Aerosp Engn, Nanjing 210016, Peoples R China
[2] Hong Kong Univ Sci & Technol, Dept Civil Engn, Kowloon, Hong Kong, Peoples R China
[3] Hong Kong Univ Sci & Technol, Dept Elect & Elect Engn, Kowloon, Hong Kong, Peoples R China