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Advanced Exploration Systems Division

Lander Technology: ALHAT capabilities including Navigation Doppler Lidar (NDL) (COBALT)

Active Technology Project

Project Introduction

The CoOperative Blending of Autonomous Landing Technologies (COBALT) instrument is a terrestrial test platform for development and maturation of guidance, navigation and control (GN&C) technologies for precision landing. The project is developing a third-generation Langley Research Center (LaRC) navigation Doppler lidar (NDL) for ultra-precise velocity and range measurements, which will be integrated and tested with the Jet Propulsion Laboratory (JPL) lander vision system (LVS) for terrain relative navigation (TRN) position estimates. These technologies together provide precise navigation know ledge that is critical for a controlled and precise touchdown.

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