Case Studies & Research Papers

Thirty years of measuring the sense of touch in research

In the 30 years since PPS was founded, researchers have used our sensors wherever they needed to measure contact force or pressure that other methods could not capture. This page lists more than 170 published studies, from 2009 to 2026, in which PPS sensors were part of the experimental setup, the validation process or the device itself.

The range of that work is wide. Surgical researchers have used FingerTPS to measure the force a surgeon's fingers apply during laparoscopic procedures. Stroke rehabilitation teams have used TactArray to measure grip pressure as patients recover hand function. Robotics groups have built SingleTact sensors into grippers and prosthetic hands, and engineers have placed them inside solid-state battery cells and snowpack stability tests. The same sensors appear in studies of American football helmet fit, calligraphy brush pressure, neonatal ventilation masks and the fighting behavior of hermit crabs.

What these studies share is a need for contact measurements that hold up from one test to the next, so that one design, treatment or technique can be compared fairly with another.

This list is not complete. It includes only the studies we have been able to find and verify, and much of the work from our early years is missing. If you have published research using a PPS sensor that is not listed here, please contact us.

Collage of magazines and journals that published research papers featuring PPS sensors

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