Integrated Guidance and Control for a Hypersonic Vehicle with Recursive H8 Method

摘要

A robust approach to integrated guidance and control (IGC) involving a terminal angular constraint for hypersonic vehicles is proposed in this paper. A novel state-space model of a hypersonic vehicle that is suitable for bank-to-turn (BTT) technology is established by combining the line-of-sight (LOS) equations describing the relative motion between the vehicle and the target with the attitude motion equations in three-dimensional space. To design a proper control law for the model obtained, which includes matched and unmatched uncertainties, an IGC law based on the sliding mode control method and H∞ control theory during the backstepping design process is proposed. The numerical experiments conducted for a general hypersonic vehicle (GHV) demonstrate the practicability and robustness of this method of IGC.