fig8

Figure 8. Design of LIG-based strain sensor. (A) Schematic diagram of LIG-based strain sensor with the polyimide substrate^[133]. Copyright 2019, WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. (B) Photographs of LIG-based strain sensors with the PDMS substrate in different deformation states (e.g., bending, stretching, and twisting)^[135]. Copyright 2022, Elsevier. (C) Schematic diagram of LIG-based strain sensor in morphing aircraft. (D) The ΔR/R₀ versus strain for different bending angles. (E) The ΔR/R₀ versus strain for different twisting angles^[96]. Copyright 2022, WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. (F) LIG-based strain sensor attached to different positions. (G) Resistance variation rate of strain sensor attached to three positions in humans^[135]. Copyright 2022, Elsevier.