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Body-motion suit incorporates MEMS sensors

Posted: 18 Jan 2012 ?? ?Print Version ?Bookmark and Share

Keywords:MEMS sensor? body-motion suit? co-processor?

STMicroelectronics N.V. (ST) has introduced a smart suit prototype with sewn-in multisensor ST iNEMO motion co-processor. According to the company, the device recognizes complex movements of the wearer's body and translates them to a digital model with outstanding precision and speed. The iBMR, iNEMO body motion reconstruction technology could improve outcomes in clinical and sports medicine applications, as well as enhancing augmented reality, added ST.

The current-generation prototype of ST's body-motion reconstruction suit situates the iNEMO multisensor nodes on each arm, forearm, thigh, calf and two on the back. Additional nodes can be mounted on hands, on shoes or on the head.

The integration of ST motion and magnetic MEMS sensors with a 32bit STM32 microcontroller and dedicated software in one miniaturized solderable module, measuring 13 x 13 x 2mm, make the iNEMO motion co-processor part of a flexible solution for orientation estimation embedded applications, stated the company.

iNEMO

The smart suit prototype with sewn-in multisensor is geared for medical applications.

Using ST's data fusion software, each iNEMO smart sensor node represents one of the smallest and highest performance Attitude and Heading Reference System (AHRS) modules developed for the market, claimed ST. All nodes send their data to the control unit that applies the measurements to a graphical skeleton model and displays body motions in real time.

ST's body-motion reconstruction suit shows precision and speed with deviation in spatial accuracy below 0.5 degrees during movements and the time needed to process and apply the sensor data to the skeleton model less than 15ms.

Samples of the iNEMO motion co-processor are available now.





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