KSC-TOPS-7
RASSOR Robotic Excavator
Center: Kennedy Space Center
Category: Robotics, Automation and Control
Patent: 9,027,265
Inventor: Robert P. Mueller
Invention Overview:
The RASSOR is a robotic excavator that uses counter-rotating buckets to collect multiple samples, once samples are collected, it can travel to a desired location and empty the samples from the buckets without the need for a ramp. RASSOR is designed to operate in low-gravity environments making it a first of its kind. It is also symmetric, which allows it to operate when overturned. It has wireless control, telemetry, and onboard cameras for tele-operation but it can also be programmed to operate autonomously
Stage:
System/subsystem model or prototyping demonstration in a relevant end-to-end environment (ground or space). Prototyping implementations on full-scale realistic problems. Partially integrated with existing systems. Limited documentation available. Engineering feasibility fully demonstrated in actual system application.
Application(s):
Terrestrial applications: chemical and nuclear decontamination, high-risk mining operations Extraterrestrial applications: mining planetary bodies for precious metals, and space construction operations
Differentiators:
Small and lightweight
Operates in low gravity conditions for extraterrestrial operations
Operates if overturned due to its symmetrical design
Can be scaled up for terrestrial operation
Invention Disadvantages and Possible Mitigation:
The space mining industry is 15-20 years from becoming a tangible market. In the meantime, the RASSOR will need to prove lower manufacturing costs to be able to compete with large competitors in the excavator market
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