The input constraints of control surfaces may lead to saturations. which could limit the achievable performance or even cause instability of vertical take-off and landing (VTOL) tail-sitter unmanned aerial vehicle (UAV). To improve flight safety and attitude tracking performance. a novel L1 adaptive control architecture for attitude tracking of a tail sitter subjected to input constra... https://www.bekindtopets.com/mega-choice-Nutri-Vet-Uri-Ease-Paw-Gel-for-Cats-hot-buy/