e plot for the bilateral hip case is
initally configured for the step controller, which is the controller we’ll be using.
Within the code, you’ll see that in the first plotting window (paramters 0-3, corresponding to 4 data points)
we have plots for “filtered_torque_reading” and “ff_setpoint” for the left and
right side. “filtered_torque_reading” is a value read from torque sensors, which
we are not using, so we won’t get anything plotted for the blue lines.
“ff_setpoint” is the torque