Fig. 3: MF Pressure Sensor Performance Characterization.
a Three-dimensional woven structure of the flexible fabric sensor for effective pressure sensing. b Structural changes in textile fibers before and after pressure application, showing fiber deformation and alignment. c FEA results showing stress distribution within the sensor under pressure, indicating material response. d Linear variation of current output with applied pressure, demonstrating consistent electrical response. e Dynamic response at different pressure levels, showing time-dependent electrical signal changes. f Pressure sensitivity curve highlighting the sensor’s wide operational range across low and high pressures. g Sensor sensitivity comparison with similar devices, showing superior performance in detecting subtle pressure changes. h Response and recovery times were evaluated, showing rapid pressure detection and baseline return. i Performance stability after multiple stretching cycles, demonstrating durability and consistent functionality. j LED activation upon pressure application, showing the sensor’s response to pressing forces. k Increased LED brightness with stretching, indicating the sensor’s ability to detect tensile deformation. l Long-term stability tests confirming the sensor’s robustness and reliability for extended use.
