Redirecting you to https://www.researchgate.net/profile/Gerardo_Flores3/publication/236980759_PID_Switching_Control_for_a_Highway_Estimation_and_Tracking_Applied_on_a_Convertible_Mini-UAV/links/54e51c860cf276cec17333af/PID-Switching-Control-for-a-Highway-Estimation-and-Tracking-Applied-on-a-Convertible-Mini-UAV.pdf