About the Authors

Fanglin Chen

Affiliation Department of Automatic Control, College of Mechatronics and Automation, National University of Defense Technology, Changsha, Hunan, People’s Republic of China

Longfei Su

Affiliation Department of Automatic Control, College of Mechatronics and Automation, National University of Defense Technology, Changsha, Hunan, People’s Republic of China

Yadong Liu

Affiliation Department of Automatic Control, College of Mechatronics and Automation, National University of Defense Technology, Changsha, Hunan, People’s Republic of China

Dewen Hu

dwhu@nudt.edu.cn

Affiliation Department of Automatic Control, College of Mechatronics and Automation, National University of Defense Technology, Changsha, Hunan, People’s Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FC DH. Performed the experiments: FC LS. Analyzed the data: FC LS. Contributed reagents/materials/analysis tools: FC LS. Wrote the paper: FC YL.