1. Ph.D. Student, School of Automation, Northwestern Polytechnical Univ., Xi’an 710129, China.
2. Professor, School of Automation, Northwestern Polytechnical Univ., Xi’an 710129, China (corresponding author).
3. Associate Professor, College of Automation Engineering, Nanjing Univ. of Aeronautics and Astronautics, Nanjing 211106, China.
4. Professor, Dept. of Mechanical, Industrial and Aerospace Engineering, Concordia Univ., Montreal, QC, Canada H3G 1M8. ORCID: