National Engineering Research Center for Manufacturing Equipment Digitization, School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
2017 2017 THE AUTHORS. Published by Elsevier LTD on behalf of the Chinese Academy of Engineering and Higher Education Press Limited Company. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).