Tamami, Niam, Endra Pitowarno, and I Gede Puja Astawa. “A Combination of PD Controller and PIAFC for Stabilization of “x” Configuration Quadcopter”. EMITTER International Journal of Engineering Technology 2, no. 1 (June 1, 2014): 1-16. Accessed November 21, 2024. https://emitter.pens.ac.id/index.php/emitter/article/view/13.