1. Unmanned System Research Institute, Northwestern Polytechnical University, No.127 West Youyi Road, Beilin District, Xi’an 710072, China
2. Shanghai Electro-Mechanical Engineering Institute, No.3888 Yuanjiang Road, Minhang District, Shanghai 201109, China
3. Research & Development Institute of Northwestern Polytechnical University in Shenzhen, No.9 Gaoxin South, Nanshan District, Shenzhen 518057, China