The FSI sensors are bonded onto an Aluminium beam with thickness of 2mm and length of 1000mm, for a total weight of 50g. The FSI sensors are distributed on the Aluminium beam to allow the reconstruction of the beam position every 100mm along its length, starting from its clamped end.
The assembly of the aluminium beam and the FSI sensors forms what we call shape sensor.
An internally designed calibration table is used to validate the shapes reconstructed by the shape sensor.
Pins are used to force the shape sensor position at pre-determined points, as shown in Figure 1, allowing a complete accuracy assessment.