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MAPI: Active interface pressure sensor integrated into a seat

The purpose of MAPI project is to propose a method for interface pressure measurement. This method must be exact, easy to build, low cost, and must take into consideration viscoelastic characteristics of the skin and of human morphology. The main areas of the project is related to ergonomics of seating surfaces and prevention of pressure ulcers. An additional stage was performed by developing an electro-pneumatic interface pressure sensor directly integrated into a seat. The sensor is easy to use and presents acceptable characteristics. The average error is 2.58%, and the standard deviation is 1.66 mmHg. Spatial resolution is 3 cm. This first prototype will be improved, with better spatial resolution, and used for different pressure ulcer study and prevention tests.