Abstract: This paper proposes a trajectory tracking optimal control (TTOC) scheme for unmanned surface vehicles (USVs) with marine environmental disturbances under input saturation using an ...

The F-22 Raptor is capable of maneuvers that appear to defy conventional flight. During the tail spin or falling leaf maneuver, the aircraft enters a controlled freefall where lift briefly disappears.

The Toyota GR Yaris has never lacked for drama, yet the new GR Yaris MORIZO RR arrives as something altogether more focused.

It’s early days, but the Trump administration’s approach to a post-President Nicolás Maduro Venezuela is quickly coming into ...