[1] Nanjing Univ Posts & Telecommun, Coll Integrated Circuit Sci & Engn, Nanjing 210046, Peoples R China
[2] Zhejiang Univ, Coll Control Sci & Engn, State Key Lab Ind Control Technol, Hangzhou 310027, Peoples R China
[3] Huazhong Univ Sci & Technol, Sch Mech Sci & Engn, Wuhan 430074, Peoples R China
[4] Univ Vermont, Dept Elect & Biomed Engn, Burlington, VT 05405 USA
[5] Univ Vermont, Dept Mech Engn, Burlington, VT 05405 USA