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Small Spacecraft Technology

Smoothing-Based Relative Navigation & Coded Aperture Imaging

Completed Technology Project

Project Introduction

Smoothing-Based Relative Navigation & Coded Aperture Imaging
This project will develop a time-windowed smoothing algorithm for estimation of the relative poses and velocities between multiple, small, and potentially differently instrumented spacecraft. The smoothing algorithm will obtain the most probable estimate of the relative states between the spacecraft by using all available sensor information. It will be portable between different satellite platforms with different onboard sensors, adaptable in the case that one or more satellites become inoperable, and tolerant to delayed measurements or measurements received at different frequencies. It will be matured from technology readiness level 3 to 6 using the SPHERES-VERTIGO microgravity test platform on the International Space Station. More »

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