Application of holographic interferometry methods for analysis of piezodrives with ring actuators

Abstract

An important feature of mechanisms containing links made from active materials (e.g.piezoceramics) is that very often various functions are performed by the same transducer, enabling development of methods for designing adjustable or adaptive mechanisms. So, multiple tasks can be performed by the same mechanism, including the ability to accommodate manufacturing and part-positioning errors in order to widen applicability. The paper deals with the selection of maximal physical parameters for piezodrives having ring actuators, their theoretical investigation and various design solutions. This investigation deals with the consideration of methods for determination of the vibrational characteristics of piezodrives with ring actuators from holographic interferograms of linked analysis of these characteristics carried out by using numerical techniques, based on the theories of vibration of piezoelectric systems and holographic interferometry.