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Article . 2016 . Peer-reviewed
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A burst type signal generator for ultrasonic motor control

Zastosowanie piezogeneratora drgań elektrycznych do sterowania ruchem silnika ultrasonicznego
Authors: Eidukynas, Darius; Jūrėnas, Vytautas; Dragašius, Egidijus; Mystkowski, Arkadiusz;

A burst type signal generator for ultrasonic motor control

Abstract

Niniejszy artykuł przedstawia badania nowatorskiego układu sterowania przemieszczeniem kątowym silnika ultrasonicznego za pomocą piezogeneratora drgań elektrycznych. W tym celu, został zaprojektowany oraz zbudowany piezogenerator drgań elektrycznych, który składa się z generatora drgań mechanicznych, przetwornika piezoelektrycznego typu Langevina i masy rezonansowej. Zastosowany piezogenerator drgań elektrycznych pozwala generować sygnały elektryczne o częstotliwości 20,2 kHz i tym samym umożliwia precyzyjne sterowanie krokowym piezosilnikiem ultrasonicznym. Dodatkowo, piezogenerator drgań elektrycznych pozwala na odzyskanie części energii drgań i przekształcenie energii mechanicznej na elektryczną, co z kolei umożliwia wyeliminowanie dodatkowych źródeł zasilania zewnętrznego. W pracy zrealizowano również drugi układ sterowania z zastosowaniem kondensatora włączonego w układ piezogeneratora sygnałów elektrycznych. Pozwoliło to na wydłużenie ilości generowanych krokowych przemieszczeń piezosilnika z 1 do 30 dla jednorazowego ładowania kondensatora piezogeneratora.

The aim of this study was to investigate a novel burst type signal generator for controlling an ultrasonic motor (USM). For this purpose, an experimental burst type signal generator consisting of a shock exciter, a waveguide, a Langevin-type piezoelectric transducer and backing mass was designed and investigated. The proposed burst type signal generator allows to control a USM in stepper motion, rendering traditional signal generators and power supplies superfluous. The investigated burst type signal generator is designed for controlling a USM with a 20.2 kHz resonant frequency and allows to generate a burst type electric signal with the same frequency. In view of the fact that such a harvester does not require traditional power supply, it could be used as an impact energy harvester. Also, a simple scheme for improving shock exciter operation using an additional capacitor was proposed and investigated. Such a scheme allows to drive USM up to 30 steps instead of 1 per one electric charge of the additional capacitor.

Country
Lithuania
Related Organizations
Keywords

energy harvesting, zwiększenie niezawodności działania, increase of reliability, układ sterowania ruchem silnika ultrasonicznego, generator drgań mechanicznych, ultrasonic motor control, układ mikro-pozycjonowania, micro-positioning system, układ odzyskiwania energii, piezoelektryczny silnik ultrasoniczny, shock generation, piezogenerator drgań elektrycznych, burst type signal generator

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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gold