[1] South China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510640, Guangdong, Peoples R China
[2] Northeastern Univ, Dept Mech & Ind Engn, Intelligent Human Machine Syst Lab, Boston, MA 02115 USA
[3] Hong Kong Polytech Univ, Dept Ind & Syst Engn, Hong Kong, Hong Kong, Peoples R China
[4] Univ Strathclyde, Fac Engn, Glasgow G1 1XQ, Lanark, Scotland