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MRI Compatibility of Silicone-Made Contractile Dielectric Elastomer Actuators

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4 Author(s)
Carpi, F. ; Fac. of Eng., Pisa Univ., Pisa ; Khanicheh, A. ; Mavroidis, C. ; De Rossi, D.

Actuators based on dielectric elastomers, a specific class of electroactive polymers, appear to be suitable candidates for new MRI-compatible technologies, due to their intrinsic material properties and working principle. This paper presents the first investigation into the MRI compatibility of a recently developed linear contractile actuator made of a silicone elastomer. The apparent absence of any degradation of both the actuator electromechanical performance in the MRI environment and the quality of images acquired from a phantom demonstrates the MRI compatibility of the actuator. These results suggest the suitability of this soft actuation technology as a possible new entry in the class of MRI-compatible mechatronic systems.

Published in:

Mechatronics, IEEE/ASME Transactions on  (Volume:13 ,  Issue: 3 )