Table 3: Cable force sensitivity of the proposed smart cables with various numbers of steel wires.

Number of wires ( )617385109
FBG cable force sensitivity (c: nm/kN)2.43 × 10−32.03 × 10−31.74 × 10−31.36 × 10−3
BOTDA/R cable force sensitivity (c: MHz/kN)10.1 × 10−28.47 × 10−27.27 × 10−25.67 × 10−2