Fig. 2.

Proposed design for the SI-STSB. (a) Ring-shape Frame, (b) Torus-shape balloon, (c) Top view of the SI-STSB, (d) Strain-based sensing gel layer.

Proposed design for the SI-STSB. (a) Ring-shape Frame, (b) Torus-shape balloon, (c) Top view of the SI-STSB, (d) Strain-based sensing gel layer.