**Author details**

Shaopeng Zhong Dalian University of Technology, Dalian, China

\*Address all correspondence to: szhong@dlut.edu.cn

© 2020 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
