State Key Laboratory of Structural Analysis for Industrial Equipment;
Dalian University of Technology;
Dalian 116024;
China;
Key Laboratory of Advanced Technology for Aerospace Vehicles of Liaoning Province;
Dalian University of Technology;
Dalian 116024;
China;
School of Aeronautics and Astronautics;
Dalian University of Technology;
Dalian 116024;
China;
Disturbance; Finite-time stability; Fixed-time stability; Guidance law; Observer;