As a result, the linear actuator can exert considerably more force than the original servo while retaining exactly the same servo interface. You can see one being assembled and tested in the video ...

Tolomatic products include the IMA and IMA-S linear servo actuators. These actuators feature integrated Source: Tolomatic, ...

Fluidic elastomer actuators (FEAs ... is subjected to an external force, leading to a deformation, the capacitance increases.

The result is a gearless (and very quiet) linear actuator that controls like a stepper motor. While a tubular linear motor is at its heart a pretty straightforward concept, [Jeremy] found very ...