As part of its historic 2022 mission, Intuitive Machines has developed a state-ofthe- art precision landing and hazard avoidance (PLHA) system that will enable its Nova-C lunar lander to safely touch down on the lunar surface. This system consists of an array of sensors that includes an inertial measurement unit (IMU), optical camera (OpCam), and a laser range finder sensor (LRFS) as well a series of algorithms which process and fuse the sensor data and produce measurements used in the navigation system. One of the measurements utilizes image processing and visual odometry (VO) to compute a delta-position (DPOS) measurement which describes the lander’s direction of motion between two image captures. In this paper, we detail the development and implementation of this measurement for the Nova-C lander, demonstrate our rigorous testing methodologies and present our findings and results.
VISUAL ODOMETRY FOR PRECISION LUNAR LANDING
Proceedings of the 44th Annual American Astronautical Society Guidance, Navigation, and Control Conference, 2022 ; Chapter : 58 ; 1021-1042
2024-01-01
22 pages
Article/Chapter (Book)
Electronic Resource
English
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