Autonomous satellite rendezvous and docking using lidar and model based vision

Piotr Jasiobedzki; Stephen Se; Tong Pan; Manickam Umasuthan; Michael Greenspan

doi:10.1117/12.604011

19 May 2005 Autonomous satellite rendezvous and docking using lidar and model based vision

Piotr Jasiobedzki, Stephen Se, Tong Pan, Manickam Umasuthan, Michael Greenspan

Proceedings Volume 5798, Spaceborne Sensors II; (2005) https://doi.org/10.1117/12.604011
Event: Defense and Security, 2005, Orlando, Florida, United States

Abstract

Servicing satellites on-orbit requires ability to rendezvous and dock by an unmanned spacecraft with no or minimum human input. Novel imaging sensors and computer vision technologies are required to detect a target spacecraft at a distance of several kilometers and to guide the approaching spacecraft to contact. Current optical systems operate at much shorter distances, provide only bearing and range towards the target, or rely on visual targets. Emergence of novel LIDAR technologies and computer vision algorithms will lead to a new generation of rendezvous and docking systems in the near future. Such systems will be capable of autonomously detecting a target satellite at a distance of a few kilometers, estimating its bearing, range and relative orientation under virtually any illumination, and in any satellite pose. At MDA Space Missions we have developed a proof-of-concept vision system that uses a scanning LIDAR to estimate pose of a known satellite. First, the vision system detects a target satellite, and estimates its bearing and range. Next, the system estimates the full pose of the satellite using a 3D model. Finally, the system tracks satellite pose with high accuracy and update rate. Estimated pose provides information where the docking port is located even if the port is not visible and enables selecting more efficient flight trajectory. The proof-of-concept vision system has been integrated with a commercial time-of-flight LIDAR and tested using a moving scaled satellite replica in the MDA Vision Testbed.

Citation Download Citation

Piotr Jasiobedzki, Stephen Se, Tong Pan, Manickam Umasuthan, and Michael Greenspan "Autonomous satellite rendezvous and docking using lidar and model based vision", Proc. SPIE 5798, Spaceborne Sensors II, (19 May 2005); https://doi.org/10.1117/12.604011

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