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- W619483419 abstract "In response to a growing demand for the test of optical navigation sensors and systems the Institute of SpaceSystems of the German Aerospace Center (DLR) has developed in the last years the Testbed for Robotic OpticalNavigation (TRON). This facility is a special simulator to create realistic scenes which would be encountered byoptical sensors during exploration missions. TRON has been applied for breadboard tests of the absolute opticalnavigation method for ESA’s Lunar Lander mission, the EU project Small Integrated Navigator for PLanetary EX-ploration (SINPLEX) - an integrated miniaturized navigation system [2], and the EU project Flash Optical Sensorfor Terrain Relative Navigation (FOSTERNAV) - a flash lidar breadboard [1]. The main elements of the facilityare 3D terrain models of celestial bodies and two robots to position the sensor (camera) and a light simulating thesun. Since the tests are carried out with downscaled models special care has to be taken to ensure the accuracyof the ground truth in order to provide a representative test environment. This applies to the manufacturing andverification of the 3D models as well as to the positioning accuracy of the sensor with respect to the target models.Recently DLR also invested in the development of a TRON-complementary test bench offering the possibility ofhigh-speed and long-range tests. The Test Environment for Navigation Systems On airfield Runway (TENSOR)facility was used for testing of the flash lidar developed in the frame of the FOSTERNAV project. This papershows the layout and operation of the TRON test facility and also gives an introduction to TENSOR. Methods andmeasures taken to ensure a high accuracy of the ground truth data are presented and discussed.[1]Pollini A. FLASH OPTICAL SENSORS FOR GUIDANCE, NAVIGATION AND CONTROL SYSTEMS.American Astronautical Society, February 2012. AAS 12-075.[2]Stephen R Steffes and et. al. Target Relative Navigation Results from Hardware-in-the-Loop Tests Using theSINPLEX Navigation System. In37th Annual AAS Guidance and Control Conference, Breckenridge,Colorado, February 2014. AAS. AAS 14-402." @default.
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- W619483419 date "2014-06-01" @default.
- W619483419 modified "2023-09-26" @default.
- W619483419 title "ON-GROUND TESTING OPTICAL NAVIGATION SYSTEMS FOR EXPLORATION MISSIONS" @default.
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