Moment compensated bending beam sensor for load measurement on a bending beam supported platform

摘要

A method is provided for manufacturing a flexure bar sensor coupled to a touch input device. The method includes providing a bending beam. The method also includes placing a first strain gauge and a second strain gauge on a surface of the beam near a first end of the beam, and aligning the first strain gauge and the second strain gauge with the beam along an axis. The first end is attached to a base. The method further comprises coupling the first strain gauge and the second strain gauge to a plate of the touch input device and electrically connecting the first strain gauge and the second strain gauge so that a difference signal is obtained from the first strain gauge and the second strain gauge when a load is applied to the first strain gauge and the second strain gauge Plate of the touch input device is applied.