Fail-safe vehicle rendezvous in case of total control failure

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11987396
APP PUB NO 20210403182A1
SERIAL NO

16914383

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Abstract

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A system for controlling an operation of a vehicle to rendezvous with a target over a finite time horizon, wherein the vehicle and the target form a multi-object celestial system. A processor to formulate passive unsafe regions as passive safety constraints. The passive unsafe regions represents regions of space around the target guaranteeing collision trajectories with the target, in an event of total thruster failure. Update a controller having a model of dynamics of the vehicle with received data, and subject the updated controller to the passive safety constraints to generate control commands that produce a collision free rendezvous trajectory which avoids unsafe regions for the specified time period, guaranteeing a collision free trajectory with respect to the target in the event of the total vehicle thruster failure, so the vehicle does not collide with the target. Output the control commands to activate or not activate thrusters of the vehicle.

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Patent Owner(s)

  • MITSUBISHI ELECTRIC RESEARCH LABORATORIES INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Di, Cairano Stefano Newton, US 103 860
Kalabic, Uros Jamaica Plain, US 26 78
Marsillach, Daniel Aguilar Boulder, US 5 2
Weiss, Avishai Cambridge, US 24 267

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