The Philips Sonicare 4100 is one of the better toothbrushes we’ve tested—simple, effective, and surprisingly powerful. It ...

A novel terminal sliding mode controller is proposed for the control problem of quad-rotor unmanned aerial vehicles (UAVs) with mismatched disturbances. Unlike previous disturbance observer strategies ...

Based on a creative sliding mode prediction model, a novel sliding mode observer (SMO) design method for discrete-time nonlinear uncertain systems is presented in this paper. By combining feedback ...