STMicroelectronics has introduced new inertial sensors that contain an on-chip signal processing core, called the intelligent sensor processing unit (ISPU), which enables AI training within the sensor. The ISM330ISN always-on, six-axis inertial measurement unit (IMU) for movement and position sensing aims to accelerate response time and extend battery life in equipment such as condition monitors for predictive maintenance, battery-operated asset trackers and industrial applications such as robots.
Developers can program the ISPU using ST’s NanoEdge AI Studio, a package used to deploy AI applications on STM32 microcontrollers, enabling users to easily generate automatically optimised machine-learning libraries. Designing an anomaly detection library with AI learning capability directly inside the ISPU is possible with minimal data and with no specific data-science skills needed.
The ISM330ISN contains a three-axis accelerometer and three-axis gyroscope with low-noise sensing performance, and an output data rate of 6,6 kHz. It consumes only 0,59 mA in combination mode with the accelerometer and gyroscope active, and adopts the same 3 x 2,5 x 0,83 mm package outline as conventional inertial modules.
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