Silicon Sensing gyro to support GNSS-denied navigation from Psionic SurePath™ system.
- CRH03 tactical-grade gyro will deliver critical heading information
01/09/2025 - Silicon Sensing Systems Ltd has been contracted by Psionic Inc to supply the CRH03 tactical-grade gyroscope to equip their remarkable SurePath™ navigation system.
SurePath™ is a completely self-contained navigation solution developed to solve the growing issue, across many platform types, of effective navigation over extended periods in GNSS (Global Navigation Satellite System)-denied or contested environments. SurePath’s navigational capability is based on proprietary doppler laser technology, developed initially by NASA, to support autonomous lunar navigation and landing. Able to capture real-time 3D velocity to precisely determine location, SurePath’s unique, mission-critical operational capabilities render it RF invisible and undetectable - it cannot be jammed, spoofed, or defeated.
The Silicon Sensing CRH03 gyro will serve as an ultra-precise heading sensor, providing constant azimuth data to the SurePath solution filter and bringing critical improvements to heading calculations over time.
Sean McCormack, Senior Vice President at Psionic explains: “Precise azimuth control and sensor data are crucial for accurate navigation and overall system functionality in GNSS-denied and contested situations. SurePath will integrate the data from the CRH03 into our proprietary filtering techniques to deliver enhanced capability to our end user.”
The CRH03 is a tactical-grade, stand-alone, micro electro-mechanical system (MEMS) gyroscope that delivers exceptional bias instability, angle random walk and low noise performance. Available in five rate ranges: ±10°/s, ±25°/s, ±100°/s, ±200°/s, ±400°/s, this all-silicon unit has comparable bias characteristic to far larger and less rugged fibre-optic (FOG) and dynamically-tuned gyroscopes (DTG).
David Somerville, General Manager at Silicon Sensing explains: “We are thrilled to be able to contribute our technology to this ground-breaking navigation product from the Psionic team. The outstanding stability and low-noise performance of our CRH03 gyro will help SurePath ensure diverse platform types, operating in a broad range of environments, can navigate accurately, over indefinite periods, without GNSS input.”
Photo captions: -
1. The CRH03 gyro
2. The Surepath™ navigation solution.
Editor’s Notes:
For more detail on this story, go to: https://siliconsensing.com/case-study/guidance-navigation/enabling-surepath-gnss-denied-navigation
PSIONIC Inc was founded by former NASA engineers with a vision to dramatically enhance navigation for land, air, sea, and space vehicles. It employs approximately 50 top engineers and technical staff, delivering products to commercial, government and space organizations with the need for reliable, precision navigation. The company has developed the revolutionary and multi-function SurePath™ device, the only technology on the marketplace today that offers SurePath-grade INS performance and is a suitable technology backstop for navigating for extended periods without GPS. Psionic core technology is accompanying most NASA’s return missions to the moon over the next decade and this same performance has been commercialized to support the needs of the growing autonomous markets in construction, mining, trucking, agriculture and others.
Silicon Sensing Systems Ltd is a gyroscope and inertial systems engineering development company, jointly owned by Collins Aerospace and Sumitomo Precision Products. The company was formed in 1999 and is, today, a market leader in silicon, micro electro-mechanical systems (MEMS)-based navigation and stabilisation technology. Many millions of MEMS gyroscopes and accelerometers have been supplied to thousands of customers since the company’s formation.
