Abstract A novel guidance algorithm using feedback linearization and sliding mode control is proposed to realize high precision guidance and maneuvering flight for hypersonic vehicle in dive phase. First, the longitudinal ellipse trajectory which can satisfy both the terminal impact point and angle constraints is designed, and the lateral maneuver trajectory is also generated to improve the penetration capability. Second, it introduces feedback linearization to decouple the original motion equations into linear guidance subsystems in longitudinal and lateral channel. With the linear equations, the tracker is designed with the help of sliding mode control, and the practical tracking guidance law can also be obtained by substituting the tracker into the original system. In addition, the stability of the guidance system is proven using the Lyapunov theorem. This tracking guidance is independent of the relative motion information and relative equation, while only the current motion states are needed. Besides, the results of CAV-H vehicle guidance test show that maneuvering flight and high precision guidance can be realized with the novel proposed algorithm, and the robustness is also validated through different guidance missions and Monte Carlo simulation.
Diving guidance via feedback linearization and sliding mode control
Aerospace Science and Technology ; 41 ; 16-23
2014-11-20
8 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Diving guidance via feedback linearization and sliding mode control
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