About the Authors

Renyuan Wu

Affiliation Department of Mechanical Design and Theory, School of Mechatronic Engineering, China University of Mining and Technology, Xuzhou, Jiangsu, China

Zhencai Zhu

zhuzhencai@cumt.edu.cn

Affiliation Department of Mechanical Design and Theory, School of Mechatronic Engineering, China University of Mining and Technology, Xuzhou, Jiangsu, China

Guohua Cao

Affiliation Department of Mechanical Design and Theory, School of Mechatronic Engineering, China University of Mining and Technology, Xuzhou, Jiangsu, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RW ZZ. Performed the experiments: RW. Analyzed the data: RW. Contributed reagents/materials/analysis tools: ZZ GC. Wrote the paper: RW. Advised the work: ZZ GC.