At t = 1 s, the speed set point is changed to 0 rpm. The speed decreases down to 0 rpm by following precisely the At t = 1 s, the speed set point is changed to 0 rpm. The speed decreases down to 0 rpm by following precisely the deceleration ramp even though the mechanical load is inverted abruptly, passing from 792 N.m to - 792 N.m, at t = 1.5 s. Shortly after, the motor speed stabilizes at 0 rpm