Inertial measurement unit targets ADAS, autonomous vehicles and robots

Inertial measurement unit targets ADAS, autonomous vehicles and robots

New Products |
By Christoph Hammerschmidt

MEMS expert Aceinna Inc. (Tewksbury, Mass.) has introduced the IMU330RA high performance inertial measurement unit (IMU). The device is designed for developers of ADAS systems and autonomous vehicles such as self-driving taxis & delivery vehicles, and provides precise localization and safety.

The ASIL-B certified IMU330RA is an easy-to-integrate, high-performance 6-DOF inertial sensor packaged in a ruggedized, sealed over-molded plastic housing at IP69K level. Features include a redundant 3-axis accelerometer and 3-axis rate gyroscope sensors for excellent accuracy and reliability.

The module supports both 1000Base-T1 Automotive Ethernet and CAN-FD interfaces and provides up to 1000Hz update rate with low latency. With its ASIL-B certification, the automotive grade device can serve as the basis for customer positioning system integration to ASIL D. “This new sensor module provides encrypted data, at up to 1000Hz output rate over both Ethernet and CAN-FD interfaces, and supports precise synchronization based on gPTP 802.1AS:2020 and Unified Diagnostic Services,” says Teoman Ustun, VP of Aceinna’s Automotive Business Unit

IMU technology is considered an essential element of todays and tomorrow’s navigation and safety systems for autonomous vehicles and ADAS systems. IMUs work together with a variety of perception sensors (Lidar, cameras, radar, odometry, etc.) to ensure that the vehicle stays on the correct path. However, if the perception sensors fail because of location challenges or environmental challenges like heavy rain, snow, dust, or smoke, the IMU can keep the vehicle on its projected path until data from the perception sensors re-engages or the vehicle is safely brought to a stop.


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