Contact creep in a thermal actuation mechanism
O.S. van de Ven (TU Delft - Mechatronic Systems Design)
JW Spronck (TU Delft - Mechatronic Systems Design)
Stoyan Nihtianov (TU Delft - Electronic Instrumentation)
RH Munnig Schmidt (TU Delft - Mechatronic Systems Design)
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Abstract
In order to overcome problems due to the mounting tolerances for precision capacitive position sensors, a thermally driven actuator has been developed. Friction plays a key role in this actuator. Due to the small internal displacements, a creep-based friction model explains the phenomena seen in the performed experiments better than the assumed stick-slip model.
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