Hermeus seems dead keen on fast-tracking its way to hypersonic passenger flight. Its uncrewed subsonic Quarterhorse Mark 1 prototype has completed its maiden flight in the skies over Edwards Air ...

The successful flight marks a significant step toward reusable hypersonic platforms ... reducing risks to human pilots while greatly expanding the tactical horizon of modern air combat. Harvard ...

Abstract: This study presents a finite-time adaptive sliding mode back-stepping controller (FASMBC) for hypersonic flight vehicle (HFV), where the state constraints and unmodeled disturbances are ...