Conductive polymer pressure sensor

N. Maalej, S. Bhat, H. Zhu, J. G. Webster, W. J. Tompkins, J. J. Wertsch, P. Bach-y-Rita

Research output: Contribution to conferencePaperpeer-review

26 Scopus citations

Abstract

The authors have characterized the performance of the commercially available Interlink pressure sensor. The sensor costs less than $1. It is 0.25-mm thick, is light and flexible, and can be customized for a wide range of applications. The resistance-versus-pressure characteristic of the sensor is logarithmic. The operating range is from 0 to 2 MPa. The hysteresis is 8% and the nonrepeatability is less than 7% of full scale. The temperature drift is -0.5%/°C of full scale. Using the Interlink sensors and electronics, the authors developed a portable data acquisition system to monitor the pressure under the bony prominences of the feet during normal gait. The advantages and drawbacks of the sensor are indicated.

Original languageBritish English
Pages770-771
Number of pages2
StatePublished - Nov 1988
EventProceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society - New Orleans, LA, USA
Duration: 4 Nov 19887 Nov 1988

Conference

ConferenceProceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society
CityNew Orleans, LA, USA
Period4/11/887/11/88

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