External force observer for medium-sized humanoid robots. - Louis Hawley; Wael Suleiman (Humanoids, 2016)

Control strategy and implementation for a humanoid robot pushing a heavy load on a rolling cart. - Louis Hawley; Wael Suleiman (IROS, 2017)

Kalman Filter Based Observer for an External Force Applied to Medium-sized Humanoid Robots. - Louis Hawley; Remy Rahem; Wael Suleiman (IROS, 2018)

External Force Observer for Small- and Medium-Sized Humanoid Robots. - Louis Hawley; Remy Rahem; Wael Suleiman (Int. J. Humanoid Robotics, 2019)

Control framework for cooperative object transportation by two humanoid robots. - Louis Hawley; Wael Suleiman (Robotics Auton. Syst., 2019)