Aiming at difficult problem that current tactile sensor can not have both flexible
multi-dimensional force measurement and thermal perception and tactile signals mixed
design a flexible multi-fumction tactile /thermal sensor. Introduce basic structure of the sensor
and set up mathematical model three-dimensional force parallel measurement based on polyvinylidene fluoride( PVDF) film properties. Tactile detection based on piezoelectric effect of PVDF and thermal detection based on pyroelectric effect of PVDF. By doing proportional subtraction on tactile and thermal sensing signal
completely distinguish tactile and thermal sensing signals.
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