Filtry
Ultrasonic piezoceramics motor drived by PWM modulation with higher harmonic suppression
The paper presents the methods of the ultrasonic piezoceramics motors driving by means of the nonharmonic signals. In detail there are described the power circuit of piezoceramic converter....
JT - Pohon, motory a paliva
- 2003 •
- D
Rok uplatnění
D - Stať ve sborníku
Examination of Characteristic Coefficients of Piezoceramics Based on Frequency Dependence of Impedance
Frequency dependence of impedance of piezoceramic specimens is used for examination of characteristics coefficients of piezoceramics....
JA - Elektronika a optoelektronika, elektrotechnika
- 2006 •
- D
Rok uplatnění
D - Stať ve sborníku
Ultrasonic piezoceramic motor drived by PWM modulation with higher harmonic suppression
The paper presents the methods of excitation of the ultrasonic piezoceramics motors with travelling elastic wave. In detail there are described the posibilities of excitation by means of the nonharmonic signals....
JT - Pohon, motory a paliva
- 2003 •
- D
Rok uplatnění
D - Stať ve sborníku
Piezoceramic material
We have obtained piezoceramic material by suitable choice of concentration [Mn]:[Sb], it means coefficients u and v and also ratio of contents of PbTiO3 and PbZrO3. This piezoceramic material is characterized by high values of Qm (Q...
JH - Keramika, žáruvzdorné materiály a skla
- 2014 •
- Fuzit
Rok uplatnění
Fuzit - Užitný vzor
Pulse Driving of Piezoceramic Actuators and Their Present Technical Limitations
The technical limitations of driving the piezoelectric actuators using the pulse-widh modulation will be discussed...
BC - Teorie a systémy řízení
- 2005 •
- D
Rok uplatnění
D - Stať ve sborníku
Electrical Noise of Piezoceramic Sensors
Thermal Noise, polarisation noise and low frequency 1/f noise are the main sources of voltage or current fluctuatins in piezoceramic sensors.
BM - Fyzika pevných látek a magnetismus
- 2002 •
- D
Rok uplatnění
D - Stať ve sborníku
PIEZOCERAMIC SENSORS: IMPEDANCE SPECTRUM IN VIEW OF RESONANT FREQUENCIES
The paper presents analyses of impedance spectrum of piezoceramic sensors. There is coupling between mechanical and electrical characteristics, which cause the influence of mechanical resonances on electrical ones. The equivalent circuit mod...
BM - Fyzika pevných látek a magnetismus
- 2004 •
- D
Rok uplatnění
D - Stať ve sborníku
Numerical Approach to Transient Analysis of Piezoceramic Sensor
This paper presents the numerical approach and results for a piezoceramic sensor for acoustic emission sensing. A method for the analysis of piezoelectric media based on finite element calculations is presented. The method is applied to the ...
BM - Fyzika pevných látek a magnetismus
- 2006 •
- D
Rok uplatnění
D - Stať ve sborníku
The Piezoceramic Generator For SJ
Measurement and numerical analysis of piezoceramic generator for Synthetic Jet (SJ) are presented in this article. The measurement is based on vibrometry principle. There are presented results of eigenfrequency measurement, results of veloci...
BJ - Termodynamika
- 2007 •
- D
Rok uplatnění
D - Stať ve sborníku
Piezoceramic patches for energy harvesting and sensing purposes
purposes. An experimental flexible structure was designed and piezoceramic patches were functionality of piezoceramic patches is investigated in this paper. Such piezoceramic of the piezoceramic patches were analy...
Condensed matter physics (including formerly solid state physics, supercond.)
- 2019 •
- Jimp •
- Odkaz
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
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