ACEINNA’s Latest MEMS-Based Inertial Measurement Unit Suits Autonomous Apps

September 6, 2019 Alix Paultre

ACEINNA unveiled the ACEINNA OpenIMU330B, a MEMS based, small form factor high-performance 6-DOF inertial measurement unit for autonomous vehicles. Measuring 11mm x 15mm x 3mm, the device is designed for use in automotive ADAS and autonomous systems as well as for electronic stability control and Lane Keep Assist functions. The triple-redundant architecture and small, low-cost packaging makes it possible to quickly design-in and integrate IMU guidance technology to AVG solutions, critical for Level 3 ADAS systems.

The OpenIMU330B’s sensor architecture consists of three independent, 3-Axis Accelerometers and Gyros, using a proprietary voting scheme, where any defective sensor output or errant dataset can be ignored or de-rated in importance, ensuring optimal performance. The Bias Instability and Angular Random Walk of the rate sensors are 2o/hr and 0.2 o/√hr.

The OpenIMU330 is powered by an ARM M4 CPU with a Floating Point Unit. The OpenIMU330B module runs the OpenIMU open-source stack that includes an optimized full-state Kalman Filter for Attitude and GPS-Aided Position-Velocity-Time (PVT) measurement. A free tool-chain based on VS Code supports PC, MAC and Ubuntu. The ACEINNA OpenIMU330B also includes an automotive-grade ASIL-B version, offers SPI and UART interfaces, and a temperature range from -40C to +85C.

Learn more at www.aceinna.com/inertial-systems/OpenIMU330B.

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