Simulation of precise and safe landing near a plume source on Enceladus
作者： Kostas Konstantinidis , Julian Adler , Manuel Thies , Roger Forstner
DOI: 10.1109/AERO.2018.8396476
关键词:
摘要: This paper presents a simulation tool for planetary landing operations near plume source on the bottom of tiger stripe canyon South Polar Terrain Saturn's moon Enceladus, reports its development status, and results from simulation. Enceladus is promising hot spot astrobiology in solar system. A concept studied at Institute Space Technology Applications (ISTA) Bundeswehr University Munich context DLR funded Explorer project (EnEx) aimed to place lander one sources south pole Enceladus. spacecraft deploying melting probe sample relatively shallow liquid water ice under that would be able look signatures life before they are degraded by exposure vacuum space. The have meet very challenging accuracy reliability requirements an exceptionally terrain. To perform this landing, sophisticated Guidance, Navigation, Control (GN&C) system necessary. For land within narrow floor with required accuracy, terrain relative navigation (TRN) function can use sensors such as optical thermal cameras, LIDAR, etc. navigate detected features. ensure safe hazardous terrain, hazard detection avoidance (HDA) must assess if originally planned site safe, not then autonomously command retargeting another safer spot. guidance calculate viable trajectory thrust arc newly chosen site. validate satisfies we developing Matlab simulate operation autonomous GN&C In describe present status. We demonstrate safety met adequately realistic canyon-like simulated Based also propose possible modifications
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