Table 1.

Parameters of bridge conversion equations.

Parameter	Bending Moment Bridge	Axial Force Bridge
$\mathrm{Gauge}\mathrm{factor}(k$)	2.18	2.26
$\mathrm{Poisson}\text{’}\mathrm{s}\mathrm{ratio}(\nu$)	–	0.126
$\mathrm{Proportionality}\mathrm{factors}(\mathrm{\Pi }\_b$$,\mathrm{\Pi }\_ax$)	5.36 × 10−7 (Nm)−1	1.01 × 10−8 N−1
$\mathrm{Bridge}\mathrm{supply}\mathrm{voltage}(U_B$)	9 V	9 V