Computer Science
Scientific paper
Apr 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.543..115w&link_type=abstract
Proceedings of the 37th ESLAB Symposium `Tools and Technologies for Future Planetary Exploration', Noordwijk, The Netherlands (E
Computer Science
Scientific paper
Shape memory alloy (SMA) actuators are able to transform thermal energy to mechanical energy. Since on several planets, the surface temperature changes drastically by the daily cycle of the sun, there is a huge amount of energy which can be used by robots without the necessity of large electronic energy storage systems. Driven by the daily temperature change of the atmosphere, spider-like robots can be realized with SMA composites as active joints and wheeled robots can be realized with SMA actuators that transfer their wave-like motion to the wheels by means of crankshafts. Different autonomous tools can be realized by SMA composites. They can be used to dig in the ground, to grip specimen or to clean solar panels. Therefore, in general, SMA composites are an appropriate mean to transfer heat energy to mechanical energy in rough environments.
Schmitz Sylvain
Vitushinsky R.
Winzek B.
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