IMUs designed for autonomous tech applications

May 12, 2021 // By Rich Pell
IMUs designed for autonomous tech applications
Mobile connectivity and inertial navigation systems provider KVH Industries has introduced two new inertial measurement units (IMUs) that feature increased performance designed to meet the needs of autonomous tech applications.

The P-1750 and P-1725 IMUs complement the company's previously released P-1775 IMU and create a full line of IMUs that feature high-performance accelerometers and the company's photonic integrated chip (PIC) technology. The KVH P-series IMUs, says the company, are offered in the same proven, compact IMU housing design, and now offer more dynamic and accurate sensor performance delivering improved navigation capability and more environmental robustness in vibration and shock capability for more challenging applications.

"We are pleased to continue integrating our groundbreaking PIC technology into our inertial navigation products for use in the large and growing autonomous market," says Martin Kits van Heyningen, KVH’s chief executive officer. "KVH has been active in autonomous technology developments for more than 15 years going back to the 2005 DARPA Grand Challenge for self-driving vehicles up to the autonomous shuttles and trucks currently being tested on the road with our inertial products. Our PIC technology is the latest example of our innovation."

The company's PIC technology features an integrated planar optical chip that replaces individual fiber-optic components to simplify production and increase reliability. The accelerometers used in the P-series IMUs offer greater sensitivity and accuracy in their dynamic ranges.

As a result, says the company, its P-series IMUs are designed to deliver an order of magnitude better drift (bias instability) and noise (velocity random walk) performance than prior products and offer more than 10 times higher accuracy than less expensive MEMS inertial measurement units. The P-series IMUs are offered as featuring easy integration with flexible power and communications interfaces, outstanding repeatability unit-to-unit, and increased product life as a result of the PIC technology.

With the expanded line of P-series IMUs, says the company, it provides multiple options for autonomous engineers who are seeking improved performance and a choice of low-noise, high-performance accelerometers at a more favorable price point than comparable offerings:

  • The P-1775 IMU is KVH’s premier IMU in terms of accuracy and is

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