About the Authors

Jian-Hua Du

Affiliation College of Mechanical Engineering and Automation, Huaqiao University, Xiamen, Fujian, China

Ran Tu

turan@hqu.edu.cn

Affiliation College of Mechanical Engineering and Automation, Huaqiao University, Xiamen, Fujian, China

Yi Zeng

Affiliation College of Tourism, Huaqiao University, Quanzhou, Fujian, China

Leng Pan

Affiliation College of Mechanical Engineering and Automation, Huaqiao University, Xiamen, Fujian, China

Ren-Cheng Zhang

Affiliation College of Mechanical Engineering and Automation, Huaqiao University, Xiamen, Fujian, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: JHD RT RCZ. Data curation: JHD RT. Formal analysis: JHD RT. Funding acquisition: JHD RT YZ. Methodology: JHD RT YZ LP. Project administration: RT. Writing – original draft: JHD RT. Writing – review & editing: RT.