| 초록 |
As electrospun polyurethane nanofiber web (es-PU) shows much better resilience and elasticity than any other electrospun polymer nanoweb, it can be a very good alternative to conventional pressure sensors. Since electrospun ferroelectric polymer nanoweb is piezoelectric, it is suitable only for dynamic pressure measurement, not for static pressure measurement. On the other hand, es-PU is suitable for both dynamic and static pressure measurement, because capacitance is directly measured with thickness change by external pressure. Thus, we utilized es-PU based piezocapacitive senors to evaluate energy consumed by the person wearing snickers whose insoles these sensors are installed on during working and running and to measure his static weight at rest. es-PU could also be used for 2D-array type pressure and tactile senor with high sensitivity. Acknowledgement : This work was supported by the NRF(R11-2005-065) and the MKE(Grant No.10033449). |
