A parametric block diagram is constructed for voltage- and current- controlled composite piezoelectric transducers based on the longitudinal or transverse piezoelectric effect. Such transducers are designed for nano-scale motion actuators. The transfer functions for the composite piezoelectric transducer utilized as an actuator for nano- and micro-motions are constructed. The influence of geometric and physical parameters of the composite piezoelectric transducer and the external load on its static and dynamic characteristics is investigated.
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