School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics;
Beijing System Design Institute of Electro-Mechanic Engineering, China Aerospace Science and Industry Corporation Limited;
Department of Mechanical Engineering, Tsinghua University;
State Key Laboratory of Virtual Reality and Systems, Beijing University of Aeronautics and Astronautics;
Landing; gear; Soft; landing; Sensitivity; analysis; Response; surfaces; Hierarchical; optimization;