1. Assistant Professor, School of Mechanical and Aerospace Engineering, Nanyang Technological Univ., 50 Nanyang Ave., Singapore 639798. ORCID:
2. Associate Professor, School of Automation Science and Electrical Engineering, Beihang Univ., Beijing 100191, China (corresponding author).
3. Principal Systems Engineer, Raytheon Missiles and Defense, 1151 E. Hermans Rd., Tucson, AZ 85756.