NASA begins testing a extra exact touchdown know-how

NASA starts testing a more precise landing technology

NASA needs to go to celestial our bodies we have by no means been to earlier than, so it has began testing a exact touchdown system that may first be used for future journeys to Mars. The engineers at Jet Propulsion Laboratory used a rocket referred to as Autonomous Descent and Ascent Powered-flight Testbed (ADAPT) to carry out two check flights again in December. ADAPT, by the best way, was created as a reusable check rocket that launches and lands vertically. In each situations, it needed to attain an altitude of 1,066 ft earlier than it began its descent and the 2-half touchdown system kicked in.

The primary half, referred to as the Terrain Relative Navigation know-how, has a sensor named the Lander Imaginative and prescient System (LVS). It may maneuver a spacecraft to a exact location even with out GPS by taking footage of the terrain whereas descending. The system can then examine these pictures to pictures it is saved onboard to find out the place it’s and contact down as near the deliberate touchdown website as attainable. This works together with the second a part of the touchdown system, which is an algorithm referred to as G-FOLD. That one does onboard calculations to find out which trajectories “acquire the utmost efficiency from each kilogram of propellant.” And sure, the system can do all these by itself, with no human enter.

This touchdown system is important if NASA plans to go to new planets, moons, asteroids or comets. See, for a spacecraft to have the ability to land on unfamiliar territory with out touching down on rocky or harmful terrain, it has to have the ability to discover a good location by itself. The company is hoping that this know-how’s the answer to that problem, although two profitable exams in all probability aren’t sufficient for NASA to start out utilizing it on precise missions simply but.

[Image credit: NASA Photo / Tom Tschida]

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