About the Authors

Fei Liu

liufei@hit.edu.cn (FL); myang@hit.edu.cn (MY)

Affiliation Control and Simulation Center, Harbin Institute of Technology, Harbin, 150080 China

Monika Heiner

Affiliation Department of Computer Science, Brandenburg University of Technology Cottbus-Senftenberg, Cottbus, 03013 Germany

Ming Yang

liufei@hit.edu.cn (FL); myang@hit.edu.cn (MY)

Affiliation Control and Simulation Center, Harbin Institute of Technology, Harbin, 150080 China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FL MH. Performed the experiments: FL. Analyzed the data: FL MH MY. Contributed reagents/materials/analysis tools: FL MH MY. Wrote the paper: FL MH MY.