Manuscript received October 28, 2018; revised March 19, 2019; accepted March 21, 2019. Date of publication April 16, 2019; date of current version March 10, 2020. This work was supported in part by the National Natural Science Foundation of China under Grant 61601061, Grant 61841103, and Grant 81401490, in part by the National Key Research and Development Program of China under Grant 2018YFB1308200, in part by the Scientific Research Fund of Hunan Provincial Education Department under Grant 17C0046, in part by the Hunan Key Laboratory of Intelligent Robot Technology in Electronic Manufacturing under Grant IRT2018009, and in part by the Hunan Key Project of Research and Development Plan under Grant 2018GK2022 and Grant 2018JJ3079. The Associate Editor coordinating the review process was Huang-Chen Lee. (Corresponding authors: Hui Zhang; Xiating Jin.) X. Jin, Y. Wang, H. Zhong, and L. Liu are with the College of Electrical and Information Engineering, Hunan University, Changsha 410082, China (e-mail: xtchin@hnu.edu.cn; yaonan@hnu.edu.cn; zhonghang@hnu.edu.cn; liuli@hnu.edu.cn).
