Nanopositioning is a key enabling technology for imaging, manipulation, measurement and
fabrication of matters at the nanoscale. Positioners driven by piezoelectric actuators are …

The atomic force microscope (AFM) possesses a unique capability for three-dimensional,
high-resolution imaging down to the atomic level. It operates without the needs of additional …

High performance motion control of piezoelectric nanopositioners is crucial for a wide range
of applications. The primary challenges stem from several aspects, including hysteresis and …

In this paper it is proposed and explored the use of the Dickson charge pump (CP) to amplify
time-variant signals. The study has been carried out through a theoretical analysis that …

Charge control is a well-known sensorless approach to operate piezoelectric actuators,
which has been proposed for more than 30 years. However, it is rarely used in industry …

Hysteresis of piezoelectric deformable mirror (DM) reduces the closed-loop bandwidth and
the open-loop correction accuracy of adaptive optics (AO) systems. In this work, a classical …

Piezoelectric hysteresis poses a major challenge for achieving high-accuracy motion in
piezo-actuators. While charge control has emerged as a promising sensorless and model …

Piezoelectric stack actuators, which have been widely used in precise positioning
applications, suffer from the well-known hysteresis effect. Although numerous approaches …

Piezoelectric actuators with a flexible displacement amplification structure are widely used in
the fields of precision driving and positioning. The displacement curve of conventional …

Charge drive circuits can significantly reduce piezoelectric nonlinearity; however, they are
rarely used in practice because of their limited low-frequency performance, their …