How to develop a mechanism to uplift the treadmill during a run for an exercise stress test?

This is the best Xiaomi treadmill we know for this purpose to this date: https://www.galaxus.ch/en/s3/product/kingsmith-walkingpad-trx21f-treadmills-20589895 Here you can see that the GE case system has a servo control to uplift the treadmill during a exercis stress test: We can develop a servo control to uplift the above Xiaomi treadmill to rebuild a exercise treadmill stress …