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About

David A. K. Pedersen is a leading aerospace engineer specializing in precision robotic instrumentation and autonomous sensor systems for planetary exploration. His primary research focuses on developing advanced optical and X-ray technologies for Mars rovers, enabling unprecedented accuracy in in-situ geological analysis. Pedersen’s most impactful contribution is his work on the Planetary Instrument for X-Ray Lithochemistry (PIXL), a key instrument aboard NASA’s Perseverance rover. His 2020 paper on PIXL, with 135 citations, details the instrument’s design for mapping elemental chemistry of Martian rocks. He further advanced this field by engineering a structured light system that projects 50 laser spots onto unknown surfaces, allowing the rover’s robotic arm to position PIXL within microns of a target—a critical capability for autonomous operations. His 2022 paper on an autonomous sensor system for determining instrument position, cited 8 times, and his 2024 study on terrain relative navigation under extreme Martian thermal swings (nearly 100°C diurnal variation) demonstrate his expertise in overcoming harsh environmental challenges. Pedersen’s work has directly enabled high-precision science on Mars, making him a pivotal figure in robotic planetary exploration and autonomous sensing.