Inertial measurement unit for autonomous vehicle robots
June 2023
Industrial Wireless
ACEINNA has launched the IMU330RA high-performance inertial measurement unit (IMU). This is an easy to integrate, high-performance 6-DOF inertial sensor packaged in a ruggedised, sealed over-moulded plastic housing at IP69K level. The IMU330RA features a redundant three-axis accelerometer and three-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 1000 Hz update rate with low latency. The IMU330RA is an automotive grade, ASIL B certified device which serves as the basis for customer positioning system integration to ASIL D.
“Our new IMU sensor is designed for use in Automotive Level 3 and higher ADAS systems,” says Teoman Ustun, VP of ACEINNA’s Automotive Business Unit. “This new sensor module provides encrypted data, at up to 1000 Hz output rate over both Ethernet and CAN-FD interfaces, and supports precise synchronisation based on gPTP 802.1AS:2020 and Unified Diagnostic Services.”
IMU technology is an essential element of today’s 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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