Browsing by Author "Mokrý Pavel"
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- Item100 years of piezoelectric materials in acoustics: From a sonar to active metasurfaces(Asociación de Acústicos Argentinos, 2016-01-01) Mokrý Pavel
- ItemActive acoustic metasurface with an array of piezoelectric membranes and local control of acoustic impedance(International Institute of Acoustics and Vibration, IIAV, 2018-01-01) Václavík Jan; Nečásek Jakub; Mokrý Pavel; Steiger Kateřina
- ItemAdaptive acoustic metasurfaces for the active sound field control(Asociación de Acústicos Argentinos, 2016-01-01) Steiger Kateřina; Mokrý Pavel; Václavík Jan; Psota Pavel; Doleček Roman; Vápenka David; Nečásek Jakub; Koldovský Zbyněk
- ItemAdaptive acoustic metasurfaces for the noise shielding(International Institute of Acoustics and Vibration, IIAV, 2017-01-01) Mokrý Pavel; Václavík Jan; Nečásek Jakub; Psota Pavel; Steiger Kateřina; Vápenka David
- ItemAdaptive systems for vibration transmission suppression by means of piezoelectric elements with tunable elasticity(VÚTS, a. s. Liberec, 2015-01-01) Kodejška Miloš; Mokrý Pavel; Steiger Kateřina; Václavík Jan; Márton Pavel; Nečásek Jakub
- ItemAdvanced time average holographic method for measurement in extensive vibration amplitude range with quantitative single-pixel analysis(SPIE, 2015-01-01) Psota Pavel; Lédl Vít; Doleček Roman; Vojtíšek Petr; Václavík Jan; Mokrý Pavel; Lédl Vít
- ItemBulk and interface second harmonic generation in the Si3N4 thin films deposited via ion beam sputtering(IOP PUBLISHING LTD, 2021-01-01) Das Nirmal; Kanclíř Vít; Mokrý Pavel; Žídek Karel
- ItemComprehensive time average digital holographic vibrometry(SPIE, 2016-01-01) Psota Pavel; Lédl Vít; Doleček Roman; Vojtíšek Petr; Mokrý Pavel; Václavík Jan
- ItemDigital Holographic Tomography for 3D imaging of Ferroelectric Single-Crystal Domain Walls(2019-01-01) Mach Marek; Kaván František; Psota Pavel; Mokrý Pavel; Lédl Vít
- ItemErrata: Adaptive vibration suppression system: An iterative control law for a piezoelectric actuator shunted by a negative capacitor (vol 59, pg 2785, 2012)(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2014-01-01) Kodejška Miloš; Mokrý Pavel; Linhart Václav; Václavík Jan; Sluka Tomáš
- ItemFinite element analysis of the macro fiber composite actuator: macroscopic elastic and piezoelectric properties and active control thereof by means of negative capacitance shunt circuit(IOP PUBLISHING LTD, 2015-01-01) Steiger Kateřina; Mokrý Pavel
- ItemLimits of Phase Modulated Frequency Shifted Holographic Vibrometry at Low Amplitudes of Vibrations(World Academy of Science, Engineering and Technology, 2016-01-01) Psota Pavel; Lédl Vít; Václavík Jan; Doleček Roman; Mokrý Pavel; Vojtíšek Petr
- ItemNoise shielding using active acoustic metamaterials with electronically tunable acoustic impedance(Australian Acoustical Society, 2014-01-01) Mokrý Pavel; Steiger Kateřina; Václavík Jan; Psota Pavel; Doleček Roman; Márton Pavel; Kodejška Miloš; Černík Martin
- ItemNoise transmission through active acoustic metamaterials in the negative elasticity regime(International Institute of Acoustics and Vibration (IIAV), 1418 Wiggins Hall, Auburn, AL 36849, USA, 2015-01-01) Mokrý Pavel; Václavík Jan; Nečásek Jakub; Steiger Kateřina; Psota Pavel; Doleček Roman
- ItemObituary: Jan Fousek (1930-2016)(Taylor and Francis Group, 5 Howick Palace, London, SW1P 1WG, UK, 2016-01-01) Petzelt Jan; Janovec V.; Erhart Jiří; Mokrý Pavel; Nosek Jaroslav; Taylor W.
- ItemSuppression of noise emission by means of piezoelectric elements with tunable elasticity(VÚTS, a. s. Liberec, 2015-01-01) Steiger Kateřina; Mokrý Pavel; Václavík Jan; Márton Pavel; Nečásek Jakub; Psota Pavel; Doleček Roman; Lédl Vít
- ItemSurface Profilometry by Digital Holography(IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2018-01-01) Psota Pavel; Lédl Vít; Kaván František; Mokrý Pavel; Matoušek OndřejThis paper presents newly developed method for measurement of surface topography based on frequency scanning digital holography. Digital holography allows for direct computation of the phase field of the wavefront scattered by an object. A tuning of the light source optical frequency results in linear phase variation with respect to the optical frequency. Slope of the linear function in every single pixel corresponds to absolute measurement of optical path difference and thus topography map of the surface can be retrieved. Principle of this contactless method is introduced and experimentally verified. The method can be used for measurement of complex geometries of common manufacturing parts as well as for topography measurement of complex composite structures, and active acoustic metasurfaces.
- ItemThe elastic properties of an actively controlled piezoelectric transducer: Measurement, analysis and tuning(Elsevier BV, 2018-01-01) Márton Pavel; Nečásek Jakub; Václavík Jan; Mokrý PavelWe report on the development of a method for the measurement of the effective stiffness of a piezoelectric transducer which is bonded to a vibration control system and operated using an approach known as active elasticity control (AEC). Using high-accuracy measurement techniques it is shown that the effective stiffness of the transducer can reach negative values in a certain frequency range, when a suitable active shunt circuit is connected to its electrodes. Extensive analysis proves the consistency of mechanical and electrical measurements of the dynamically loaded piezoelectric transducer compared with the AEC model. A method which allows the computation of adjustments to the active shunt circuit based on the vibration control device’s measured mechanical transfer function is developed. The applicability of the method to a real vibration control system is also demonstrated.
- ItemThin piezoelectric layer cell growth stimulation comparison using FEM(2021-01-01) Lindauer Vojtěch; Mokrý Pavel
- ItemWall-plug efficiency analysis of semi-active piezoelectric shunt damping systems(SAGE PUBLICATIONS LTD, 2014-01-01) Václavík Jan; Kodejška Miloš; Mokrý Pavel