Wind Disturbance Rejection of a Foldable Quadrotor Using Nonlinear PID-based Sliding Mode Control. Tikrit j. eng. sci. [Internet]. 2025 Jun. 17 [cited 2026 Sep. 21];32(3):1-16. Available from: https://em.tj-es.com/ojs/index.php/tjes/article/view/1548