Rotary ultrasonic machining has been widely used for machining of hard and brittle
materials due to the advantages of low cutting force, high machining accuracy, and high …

Ultrasonic cutting is a superior machining process for brittle materials, owing to its capability
to reduce the cutting force and improve the surface quality. To avoid the destructive …

Application of half bridge topology for ultrasonic transducer excitation using long pulse trains
is presented. The novelty of the approach is the high speed solution for a high side drive. A …

This paper presents a review of the state of the art of the design methodologies for Hardware
(HW) and Software (SW) for design of the digital control system in power electronic …

Ferroelectret films are a relatively new material. Highly anisotropic polymers can be
polarized resulting in a piezoelectric response. Advances in manufacturing techniques and …

We propose to perform the sonoporation by use of direct excitation employing the square
wave pulser. Addition of the arbitrary waveform generator and programmable high voltage …

This paper presents an analysis, design of system parts, and practical development of an
ultrasonic cleaning system based on a pulse-density modulation converter. The use of the …

To our knowledge current achievements in tuning the sonoporation's bio-efficiency is limited
by the inflexibility of the ultrasound excitation hardware. Advanced instrumentation for fine …

Application of digital filters in ultrasonic data acquisition system has been investigated. The
work analyses the digital signal processing influence on a time of flight (TOF) estimation …

The high-power ultrasonic cleaning system is used in the manufacturing of clean product
contaminants. The pulse density modulation (PDM) switching strategy is more efficient for …