FIELD: machine building; electricity.
SUBSTANCE: invention relates to devices based on piezoelectric materials. Bending-type piezo actuator is an elastic flexible bimorph rod with a rectangular cross section and includes two piezoelectric plates connected to each other and control electrodes. Bimorph rod has spatially curvilinear longitudinal axis, polarization and arrangement of the electrodes are such that when the control voltage is connected to the electrodes, the rod is twisted around the longitudinal axis, which causes occurrence in the cross sections of a reactive moment which bends the rod.
EFFECT: high sensitivity and range of controlled bending deformations.
4 cl, 2 dwg
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