State Key Laboratory of Traction Power, Southwest Jiaotong University, No.111, First Section, North of Second Ring Road, Chengdu 610031, China;
State Key Laboratory of Traction Power, Southwest Jiaotong University, No.111, First Section, North of Second Ring Road, Chengdu 610031, China;
State Key Laboratory of Traction Power, Southwest Jiaotong University, No.111, First Section, North of Second Ring Road, Chengdu 610031, China;
State Key Laboratory of Traction Power, Southwest Jiaotong University, No.111, First Section, North of Second Ring Road, Chengdu 610031, China;