1. Shien‐Ming Wu School of Intelligent EngineeringSouth China University of Technology777 Fuxing Ave, Panyu districtGuangzhouPeople's Republic of China
2. School of Advanced TechnologyXi'an Jiaotong‐Liverpool UniversitySuzhouPeople's Republic of China
3. School of Electrical Engineering, Electronics and Computer ScienceUniversity of LiverpoolUK
4. Birmingham Centre for Railway Research and EducationUniversity of BirminghamUK