About the Authors

Haibin Duan

hbduan@buaa.edu.cn

Affiliations State Key Laboratory of Virtual Reality Technology and Systems, School of Automation Science and Electrical Engineering, Beihang University (formerly Beijing University of Aeronautics and Astronautics), Beijing, P. R. China, Science and Technology on Aircraft Control Laboratory, Beihang University, Beijing, P. R. China

Yimin Deng

Affiliations State Key Laboratory of Virtual Reality Technology and Systems, School of Automation Science and Electrical Engineering, Beihang University (formerly Beijing University of Aeronautics and Astronautics), Beijing, P. R. China, Science and Technology on Aircraft Control Laboratory, Beihang University, Beijing, P. R. China

Xiaohua Wang

Affiliation Science and Technology on Aircraft Control Laboratory, Beihang University, Beijing, P. R. China

Chunfang Xu

Affiliation State Key Laboratory of Virtual Reality Technology and Systems, School of Automation Science and Electrical Engineering, Beihang University (formerly Beijing University of Aeronautics and Astronautics), Beijing, P. R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HD YD CX. Performed the experiments: YD XW CX. Analyzed the data: HD YD XW CX. Contributed reagents/materials/analysis tools: HD YD XW CX. Wrote the paper: HD YD.