Next-generation iNEMO Engine offers new level of motion-sensing applications on smart consumer devices
March 24, 2011 // Paul Buckley
STMicroelectronics has unveiled the first details of the companyís iNEMO Engine which claims to be a new advanced filtering and predictive software engine that integrates the outputs from a 3-axis accelerometer, 3-axis gyroscope and 3-axis magnetometer.
For many current applications, such as freefall detection, screen rotation or pedometers, a single MEMS accelerometer meets their system requirements. However, a new class of advanced applications is emerging, for example: location-based services, enhanced motion-based gaming, pedestrian dead-reckoning for indoor and multi-floor navigation, robotics or human-body tracking. These applications require multiple MEMS sensors, together with advanced software, to achieve better overall system performance in terms of accuracy, resolution, stability and response time.
The iNEMO Engine delivers a quantum leap in the performance level required by next-generation smart mobile devices to enable a myriad of new exciting applications, said Benedetto Vigna, Group Vice President and General Manager of STs MEMS, Sensors and High Performance Analog Division It also lifts the burden of complex sensor algorithm development off the shoulders of our customers.
The iNEMO Engine software integrates a set of highly sophisticated adaptive algorithms for prediction and filtering. The software takes data from the outputs of various motion sensors in smart consumer devices and integrates it so that the sensor outputs augment each other, leapfrogging what individual sensors can do alone. The software can correct for magnetic distortions registered on the magnetometer, dynamic distortion measured by the accelerometer, and inherent drift over time of the gyroscope. This protects the accuracy of heading information, removes pointing inaccuracies and drift problems, and virtually eliminates timeouts for calibration. All news
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