I would recommend doing the math in the arduino rather than with analog circuitry. Divide a circle into maybe 16 or more segments and calculate the push rods contribution to the torque based on angle and force and sum up over a full circle.
I would recommend doing the math in the arduino rather than with analog circuitry. Divide a circle into maybe 16 or more segments and calculate the push rods contribution to the torque based on angle and force and sum up over a full circle.