POSE algorithms for automated docking

Andrew F. Heaton; Richard T. Howard

doi:10.1117/12.887022

23 May 2011 POSE algorithms for automated docking

Andrew F. Heaton, Richard T. Howard

Proceedings Volume 8044, Sensors and Systems for Space Applications IV; 80440T (2011) https://doi.org/10.1117/12.887022
Event: SPIE Defense, Security, and Sensing, 2011, Orlando, Florida, United States

Abstract

POSE (relative position and attitude) can be computed in many different ways. Given a sensor that measures bearing to a finite number of spots corresponding to known features (such as a target) of a spacecraft, a number of different algorithms can be used to compute the POSE. NASA has sponsored the development of a flash LIDAR proximity sensor called the Vision Navigation Sensor (VNS) for use by the Orion capsule in future docking missions. This sensor generates data that can be used by a variety of algorithms to compute POSE solutions inside of 15 meters, including at the critical docking range of approximately 1-2 meters. Previously NASA participated in a DARPA program called Orbital Express that achieved the first automated docking for the American space program. During this mission a large set of high quality mated sensor data was obtained at what is essentially the docking distance. This data set is perhaps the most accurate truth data in existence for docking proximity sensors in orbit. In this paper, the flight data from Orbital Express is used to test POSE algorithms at 1.22 meters range. Two different POSE algorithms are tested for two different Fields-of-View (FOVs) and two different pixel noise levels. The results of the analysis are used to predict future performance of the POSE algorithms with VNS data.

Citation Download Citation

Andrew F. Heaton and Richard T. Howard "POSE algorithms for automated docking", Proc. SPIE 8044, Sensors and Systems for Space Applications IV, 80440T (23 May 2011); https://doi.org/10.1117/12.887022

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