Page 49: of Marine Technology Magazine (January 2022)

Silicon Sensing MEMS IMU

Recently launched by Silicon Sensing is the new

DMU41, a non-ITAR, tactical grade, 9 degrees of free- dom (DoF) inertial measurement unit (IMU) - ideal for use in ASV/AUV applications.

This is a high performing all silicon micro electro-me- chanical systems (MEMS) IMU, able to compete directly with FOG-based IMU’s, yet its volume and weight are both 50% lower than its predecessor and it consumes sig- ni? cantly less power. “For manufacturers and operators of the latest genera- tion of autonomous vehicles, DMU41 offers the oppor- tunity to enhance control and prolong navigation perfor- mance over time in tasks such as surveying and mapping, while ensuring valuable payload space on the platform is preserved,” said Steve Capers, General Manager, Silicon

Sensing Systems Ltd.

Measuring 50 x 50 x 50 mm and weighing 200g, DMU41 delivers inertial performance that combines excellent an- h d Wals h h ha ha har by by Richard Wals P to by Phot by by by Richard Wals Photo by Richard Wals P P Pho o o by Ric ic ic ichar ar rd W W Wals ls l lsh, h, h h, h, h, h h, gle random walk and bias stability with exceptional low

UC hy hy/UCS hy/UCS fO ce nog fO cean nography/UCS itu itution f Ocea o itutiono f Oceanography/UCS Sc ipp nstitution of Oceanography/UCS Scr S S Scripps I s I s s nst st st t stitu tu tutio i io on o o o ofO ceanograp p phy/ y UCSD D D D D D DUCSD noise characteristics. It contains three inductive and three piezoelectric resonating ring gyroscopes with six capaci- tive accelerometers, all designed and manufactured by

Silicon Sensing, along with three magnetometers. All inertial sensor data is blended to give optimal motion

Ocean Lander sensing information, with DMU41 able to provide data at variable output rates up to 2kHz. Outputs can combine

COMPONENTS AND SYSTEMS angular rate, acceleration, delta angle and delta velocity, temperature and built-in test results - and every DMU41 is calibrated over the full operational temperature range to guarantee sustained, reliable performance. globaloceandesign.com bit.ly/3Akp4Zf [email protected] 858.560.1799 www.marinetechnologynews.com

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