function current = nominal_current(pitch,direction)
Kpitch = 0.055;
i_cutoff = 0.02;
i_0 = 0.03;

if(direction > 0)
    current = max(i_cutoff, i_0 + Kpitch*pitch);
else
    current = min(-i_cutoff, -i_0 + Kpitch*pitch);
end
return