System Construction for Distributedly Controlling the Thrusters of X4-AUV. - Xiongshi Xu; Keigo Watanabe; Isaku Nagai (ICIRA (1), 2017)

Feedback linearization control for a tandem rotor UAV robot equipped with two 2-DOF tiltable coaxial-rotors. - Xiongshi Xu; Keigo Watanabe; Isaku Nagai (Artif. Life Robotics, 2021)

Flight control system design for a tandem rotor UAV robot in the presence of wind field disturbances. - Xiongshi Xu; Keigo Watanabe; Isaku Nagai (Artif. Life Robotics, 2021)

Wall-surface Running Control of a Tandem Type UAV with Tiltable Rotors. - Keigo Watanabe; Hideaki Komura; Xiongshi Xu; Isaku Nagai (SICE, 2023)

Nonlinear crossing strategy-based particle swarm optimizations with time-varying acceleration coefficients. - Keigo Watanabe; Xiongshi Xu (Appl. Intell., 2024)