Symbol	Unit	Description
$M_{y_{GB}}$	$\mathrm{N}\mathrm{m}$	GB input moment around y-axis
$M_{y_{applied}}$	$\mathrm{N}\mathrm{m}$	Applied bending moment around y-axis
$M_{z_{GB}}$	$\mathrm{N}\mathrm{m}$	GB input moment around z-axis
$M_{z_{applied}}$	$\mathrm{N}\mathrm{m}$	Applied bending moment around z-axis
$F_{{x_{DS}}_{}}$	$\mathrm{N}$	DS-based force in x-direction
$F_{{z_{DS}}_{}}$	$\mathrm{N}$	DS-based force in z-direction
$F_{x_{GB}}$	$\mathrm{N}$	GB input force in x-direction
$F_{x_{applied}}$	$\mathrm{N}$	Applied force in x-direction by test bench
$F_{y_{GB}}$	$\mathrm{N}$	GB input force in y-direction
$F_{y_{applied}}$	$\mathrm{N}$	Applied force in y-direction by test bench
$F_{z_{GB}}$	$\mathrm{N}$	GB input force in z-direction
$F_{z_{applied}}$	$\mathrm{N}$	Applied force in the z-direction by test bench
$I_y$	${\mathrm{m}}^4$	Second moment of area with respect to the $y$-axis
$I_z$	${\mathrm{m}}^4$	Second moment of area with respect to the $z$-axis
$K_{ax}$	$-$	Coefficient matrix for computing load vector $L_{ax}$
$K_{sh}$	$-$	Coefficient matrix for computing load vector $L_{sh}$
$L_{ax}$	$-$	Vector of the loads computed with axial SG
$L_{sh}$	$-$	Load vector computed using shear SG
$T_{x_{G{B}_i}}$	$\mathrm{N}\mathrm{m}$	GB input torque at each time step i
$T_{x_{GB}}$	$\mathrm{N}\mathrm{m}$	GB input torque
$T_{x_{HS{S}_i}}$	$\mathrm{N}\mathrm{m}$	GB torque (HSS) at each time step i
$T_{x_{HSS}}$	$\mathrm{N}\mathrm{m}$	GB torque (HSS)
$T_{x_{applied}}$	$\mathrm{N}\mathrm{m}$	Applied torque
$W_T$	${\mathrm{m}}^3$	Torsional section modulus
${acc}_{y_i}$	$\mathrm{g}$	Acceleration in y-direction measured by the i-th sensor set on the LSS
${acc}_{z_i}$	$\mathrm{g}$	Acceleration in z-direction measured by the i-th sensor set on the LSS
$i_{GB}$	$-$	GB ratio
$m_{corrected}$	$-$	Slope of the corrected strain signal after applying Pseudocode in Algorithm 1
$m_{original}$	$-$	Slope of the original strain signal
$r_{in}$	$\mathrm{m}$	Inner radius of LSS
$r_{out}$	$\mathrm{m}$	Outer radius of LSS
$t_{\epsilon }$	$-$	Indices of the window for Pseudocode in Algorithm 2
${\epsilon }_{rotated}$	$-$	Strain signal of the window after applying Algorithm 2
${ϵ}_{By}$	$-$	Maximum axial strain induced by the bending moment $M_y$
${ϵ}_{Bz}$	$-$	Maximum axial strain induced by the bending moment $M_z$
${ϵ}_N$	$-$	Axial strain induced by normal force
${ϵ}_{ax}$	$-$	Axial strain vector
${ϵ}_i$	$-$	Strain measured from axial SG connected to the i-th telemetry module
${\varphi }_i$	$-$	Angular position of i-th telemetry module
$f$	$\mathrm{H}\mathrm{z}$	Sampling rate of the used Savitzky-Golay filter
$ϴ$	$-$	Angle between the two gradients for Pseudocode in Algorithm 2
$\epsilon$	$-$	Strain signal of the window after applying Pseudocode in Algorithm 1
$\tau$	$\frac{\mathrm{k}\mathrm{g}}{\mathrm{m}{\mathrm{s}}^2}$	Shear stress
${\tau }_T$	$\frac{\mathrm{k}\mathrm{g}}{\mathrm{m}{\mathrm{s}}^2}$	Shear stress resulting from torsional load
$T$	$\mathrm{N}\mathrm{m}$	Torsional load
${\tau }_{F_i}$	$\frac{\mathrm{k}\mathrm{g}}{\mathrm{m}{\mathrm{s}}^2}$	Shear stress resulting from later force in the i-direction
$F_i$	$\mathrm{N}$	Lateral force in the i-direction
$S_j$	${\mathrm{m}}^3$	First moment of area with respect to the j-axis
$I_j$	${\mathrm{m}}^4$	Second moment with respect to the j-axis
$b_i$	$\mathrm{m}$	Width along the i-axis of a beam
$A_{LSS}$	${\mathrm{m}}^4$	Cross-section of LSS