IN BRIEF: DARPA seeks to wean smart weapons off GPS with hybrid inertial navigation system-on-a-chip

Navigation and guidance experts at the U.S. Defense Advanced Research Projects Agency (DARPA) in Arlington, Va., are trying to reduce the military's reliance on Global Positioning System (GPS) satellite guidance for advanced munitions, mid- and long-range missiles, and other weapons by creating a navigation-system-on-a-chip that combines traditional and atomic inertial guidance technology. The DARPA Chip-Scale Combinatorial Atomic Navigator (C-SCAN) program seeks to blend inertial navigation sensors with different kinds of physics on one micro-scale inertial measurement unit (IMU), to address long-term drift, dynamic range, and component start-up time. Potential applications for these kinds of advanced navigational sensor chips are smart weapons, positioning, targeting, navigation, and guidance. DARPA microelectronics researchers want to develop an integrated navigation chip that not only combines inertial sensors with dissimilar-yet-complementary physics into one system on a chip, but also does not rely on signals from GPS satellites.

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Mil & Aero Magazine

February 2014
Volume 25, Issue 2
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