A series of recent theoretical papers argue that some subluminal “warp-drive” spacetime designs could avoid the traditional requirement for “exotic” negative-energy matter, or at least reduce/shift ...
Abstract: The attitude tracking control problem is addressed for hypersonic vehicles under actuator faults that may cause an uncertain time-varying control gain matrix. An adaptive compensation scheme ...
Abstract: This letter proposes a novel method to extract single-mode feedback signals using a modal eigenvalue realignment (MER) based approach. The single-mode feedback signals those contain ...