For many years EAP materials received relatively little attention due to their
poor actuation capability and the small number of available materials. In the last
fifteen years, a series of new materials have emerged that exhibit large
displacement in response to electrical stimulation. This capability is making them
highly attractive as actuators for their operational similarity to biological muscles,
particularly their resilience, quiet operation, damage tolerance and ability to
induce large actuation strains (stretching, contracting or bending). The
application of these materials as actuators involves multi-disciplines including
materials, electromechanics, chemistry, computers and electronics. Even though
the force of actuation of existing EAP materials and their robustness requires
further improvement, there has already been a series of reported successes in the
development of EAP-actuated mechanisms. Using EAP to replace existing
actuators may be a difficult challenge and therefore it is highly desirable to
identify a niche application where EAP materials would not need to compete with
existing technologies.
For many years EAP materials received relatively little attention due to theirpoor actuation capability and the small number of available materials. In the lastfifteen years, a series of new materials have emerged that exhibit largedisplacement in response to electrical stimulation. This capability is making themhighly attractive as actuators for their operational similarity to biological muscles,particularly their resilience, quiet operation, damage tolerance and ability toinduce large actuation strains (stretching, contracting or bending). Theapplication of these materials as actuators involves multi-disciplines includingmaterials, electromechanics, chemistry, computers and electronics. Even thoughthe force of actuation of existing EAP materials and their robustness requiresfurther improvement, there has already been a series of reported successes in thedevelopment of EAP-actuated mechanisms. Using EAP to replace existingactuators may be a difficult challenge and therefore it is highly desirable toidentify a niche application where EAP materials would not need to compete withexisting technologies.
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