A high resolution pressure sensor for measurement of grip force

Luuk Spreeuwers, Haitao Wang

Research output: Contribution to conferencePaperAcademic

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Abstract

For patients who suffer from hand diseases, like rheumatoid arthritis, simple tasks like holding a plastic coffee cup or lifting a book are not self-evident. In order to study grip patterns and compare grip patterns between people suffering from hand diseases to those of healthy people, we developed an instrument called the e-cone, which consists of a pressure sensitive matrix wrapped around a cone shaped base which allows visualisation of the grip force pattern in the form of an image. The original e-cone used a commercially available pressure sensor mat with a limited resolution which was not easy to attach to curved objects (like the e-cone) and was expensive. Therefore, we decided to develop our own pressure sensor mat using cheap pressure sensitive material and flexible printed circuit boards.
The resulting sensor mat has a resolution of 64x64 sensor pixels, higher than any commercially available sensor, can more easily be attached to curved surfaces and allows acquisition of 15 fps across a wireless interface.
Original languageEnglish
Number of pages7
Publication statusPublished - 28 May 2019
Event40th WIC Symposium on Information Theory in the Benelux / 9th Joint WIC IEEE SP Symposium on Information Theory and Signal Processing in the Benelux - Ghent Technology Campus, Leuven, Belgium
Duration: 28 May 201929 May 2019
Conference number: 40

Conference

Conference40th WIC Symposium on Information Theory in the Benelux / 9th Joint WIC IEEE SP Symposium on Information Theory and Signal Processing in the Benelux
Abbreviated titleSITB 2019
CountryBelgium
CityLeuven
Period28/05/1929/05/19

Fingerprint

Pressure sensors
Cones
Sensors
Coffee
Printed circuit boards
Visualization
Pixels
Plastics

Keywords

  • pressure sensor matrix, e-cone, grip force

Cite this

Spreeuwers, L., & Wang, H. (2019). A high resolution pressure sensor for measurement of grip force. Paper presented at 40th WIC Symposium on Information Theory in the Benelux / 9th Joint WIC IEEE SP Symposium on Information Theory and Signal Processing in the Benelux, Leuven, Belgium.
Spreeuwers, Luuk ; Wang, Haitao. / A high resolution pressure sensor for measurement of grip force. Paper presented at 40th WIC Symposium on Information Theory in the Benelux / 9th Joint WIC IEEE SP Symposium on Information Theory and Signal Processing in the Benelux, Leuven, Belgium.7 p.
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Spreeuwers, L & Wang, H 2019, 'A high resolution pressure sensor for measurement of grip force' Paper presented at 40th WIC Symposium on Information Theory in the Benelux / 9th Joint WIC IEEE SP Symposium on Information Theory and Signal Processing in the Benelux, Leuven, Belgium, 28/05/19 - 29/05/19, .

A high resolution pressure sensor for measurement of grip force. / Spreeuwers, Luuk; Wang, Haitao.

2019. Paper presented at 40th WIC Symposium on Information Theory in the Benelux / 9th Joint WIC IEEE SP Symposium on Information Theory and Signal Processing in the Benelux, Leuven, Belgium.

Research output: Contribution to conferencePaperAcademic

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AU - Wang, Haitao

PY - 2019/5/28

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N2 - For patients who suffer from hand diseases, like rheumatoid arthritis, simple tasks like holding a plastic coffee cup or lifting a book are not self-evident. In order to study grip patterns and compare grip patterns between people suffering from hand diseases to those of healthy people, we developed an instrument called the e-cone, which consists of a pressure sensitive matrix wrapped around a cone shaped base which allows visualisation of the grip force pattern in the form of an image. The original e-cone used a commercially available pressure sensor mat with a limited resolution which was not easy to attach to curved objects (like the e-cone) and was expensive. Therefore, we decided to develop our own pressure sensor mat using cheap pressure sensitive material and flexible printed circuit boards.The resulting sensor mat has a resolution of 64x64 sensor pixels, higher than any commercially available sensor, can more easily be attached to curved surfaces and allows acquisition of 15 fps across a wireless interface.

AB - For patients who suffer from hand diseases, like rheumatoid arthritis, simple tasks like holding a plastic coffee cup or lifting a book are not self-evident. In order to study grip patterns and compare grip patterns between people suffering from hand diseases to those of healthy people, we developed an instrument called the e-cone, which consists of a pressure sensitive matrix wrapped around a cone shaped base which allows visualisation of the grip force pattern in the form of an image. The original e-cone used a commercially available pressure sensor mat with a limited resolution which was not easy to attach to curved objects (like the e-cone) and was expensive. Therefore, we decided to develop our own pressure sensor mat using cheap pressure sensitive material and flexible printed circuit boards.The resulting sensor mat has a resolution of 64x64 sensor pixels, higher than any commercially available sensor, can more easily be attached to curved surfaces and allows acquisition of 15 fps across a wireless interface.

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Spreeuwers L, Wang H. A high resolution pressure sensor for measurement of grip force. 2019. Paper presented at 40th WIC Symposium on Information Theory in the Benelux / 9th Joint WIC IEEE SP Symposium on Information Theory and Signal Processing in the Benelux, Leuven, Belgium.