Description

Balcones Technologies, LLC proposes to adapt actively controlled suspension technology developed by The University of Texas at Austin Center for Electromechanics (CEM) for high performance off-road vehicles to address STTR 2009-1 Subtopic T1.02, Information Technologies for Intelligent Planetary Robots. In particular, our team will develop a concept design for an actively controlled ElectroMechanical Suspension (EMS) system, including algorithms, software and hardware, that dramatically improves mobility for MER to MSL scale rovers. Our system exploits and adapts approximately $25M of highly successful active suspension R&D at CEM since 1993. It also exploits CEM's experience developing electromechanical systems for space applications gained during NASA funded programs to develop flywheel energy storage system technology for the International Space Station. Finally, it exploits our team's extensive experience migrating University technology to commercially viable manufacturable products. Relevant features of our anticipated solution include: ? Capable of vehicle speeds exceeding 3 m/s over lunar relevant terrain while maintaining hyper-stability for payloads of 100 kg or more ? Large suspension travel to enable obstacle negotiation ? Control system that can operate autonomously or slaved to higher level vehicle controller for specialized operations such as obstacle negotiation ? Four quadrant actuator control, capable of power regeneration for damping operations to improve system efficiency ? Passive springs to support rover static weight (no power consumption to support static weight) ? Highly efficient electromechanical suspension actuators for each wheel station, individually sized to support a high proportion of vehicle mass to enable obstacle negotiation ? Modular control system, based on our highly successful control system for terrestrial manned and unmanned vehicles ? Scalable technology for rover sizes representative of MER to MSL rovers

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