Yi, Shilin, Keigo Watanabe, and Isaku Nagai. 2022. “Backstepping-Based Super-Twisting Sliding Mode Control for a Quadrotor Manipulator With Tiltable Rotors”. Journal of Robotics and Control (JRC) 3 (2):128-37. https://doi.org/10.18196/jrc.v3i2.13368.