NASA NTRS · 20100011105
System for Estimating Horizontal Velocity During Descent
Abstract
The descent image motion estimation system (DIMES) is a system of hardware and software, designed for original use in estimating the horizontal velocity of a spacecraft descending toward a landing on Mars. The estimated horizontal velocity is used in generating rocket-firing commands to reduce the horizontal velocity as part of an overall control scheme to minimize the landing impact. DIMES can also be used for estimating the horizontal velocity of a remotely controlled or autonomous aircraft for purposes of navigation and control.
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Johnson, Andrew, Cheng, Yang, Wilson, Reg, Goguen, Jay, Martin, Alejandro San, Leger, Chris, Matthies, Larry. 2007-10-01. System for Estimating Horizontal Velocity During Descent. https://ntrs.nasa.gov/citations/20100011105
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