Fig. 2: The results of the TPTS excited by a linear motor.
From: A bio-inspired and self-powered triboelectric tactile sensor for underwater vehicle perception

a Deformation diagram of sensor units under external load. b Labels on the flexible cover surface using longitude and latitude lines. c The open circuit voltage responding to external load magnitude from 1 N to 5 N. d Fitted linear relationship between open circuit voltage and external load magnitude. e The short circuit current responding to external load magnitude from 1 N to 5 N. f Fitted linear relationship between short circuit current and external load magnitude.