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NASA NTRS · 20230010901

The Digital Astronaut Simulation

Kaitlin Lostroscio·Leslie Quiocho·Charlotte Bell·David Frenkel·Fouad Matari·Lauren Nilsson
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Abstract

The Digital Astronaut Simulation provides a human biomechanics modeling, simulation, and analysis capability that is enabling spaceflight hardware design to incorporate the human dynamic input early in development cycles as well as characterize performance after prototypes are built. The enhanced toolset includes a modified multibody model, updated motion capture marker sets, and refined methods for scaling and inverse kinematics. These provide increased accuracy for applications in exercise and extravehicular tasks in reduced gravity, especially where upper extremity motion is involved. A core capability highlighted is the calculation of ground reaction forces, moments, and center of pressure based on motion capture. Verification and validation efforts include comparison with force platform measurements.

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Kaitlin Lostroscio, Leslie Quiocho, Charlotte Bell, David Frenkel, Fouad Matari, Lauren Nilsson. 2023-12-04. The Digital Astronaut Simulation. https://ntrs.nasa.gov/citations/20230010901

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