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Uploaded on Jul 13, 2011
High-Resolution Dynamic Operation. This type of PiezoWalk linear motor has two operating modes: The high resolution mode shown above can resolve to 30 picometers and provide millisecond dynamics.
In analog mode the motion is effectuated exclusively by the very stiff shear elements, providing a resonant frequency in the direction of motion of several kilohertz. The motion resolution here is limited only by the stability of the drive electronics, or, in closed-loop operation, by the sensor.