Research of new methods and principles for damping of noises and vibrations using piezoelectric patches or actuators connected to active or passive electronic circuits.
Development of electrical circuit for damping systems with high energetic efficiency.
Development of switched mode power supplies (10-1000W) for special applications (high voltage, high currents).
Research and development of thin films systems for optical and electrooptical applications including deposition methods (vacuum PVD).
Development of infrared systems for imaging and spectroscopic applications.
Publications
HLUBUČEK, J., LUKEŠ, J., VÁCLAVÍK, J. , and ŽÍDEK, K. Differential coded aperture single-snapshot spectral imaging Optics Letters WASHINGTON: Optica Publishing Group, 2022, vol. 47, issue 9. P. 2342 – 2345. ISSN: 0146-9592.
KANCLÍŘ, V., ŽÍDEK, K. , and VÁCLAVÍK, J. Precision of Silicon Oxynitride Refractive-Index Profile Retrieval Using Optical Characterization Acta Physica Polonica A 1. ed. Institute of Physics, Polish Academy of Sciences, 2021, vol. 140, issue 3. P. 215 – 221. ISSN: 0587-4246.
VÁCLAVÍK, J., NEČÁSEK, J., MOKRÝ, P. , and STEIGER, K. Active acoustic metasurface with an array of piezoelectric membranes and local control of acoustic impedance 25th International Congress on Sound and Vibration 2018, ICSV 2018: Hiroshima Calling 1. ed. Auburn, USA: International Institute of Acoustics and Vibration, IIAV, 2018 P. 555 – 561. ISBN: 978-1-5108-6845-8, ISSN: 2329-3675.
MÁRTON, P., NEČÁSEK, J., VÁCLAVÍK, J. , and MOKRÝ, P. The elastic properties of an actively controlled piezoelectric transducer: Measurement, analysis and tuning Journal of Sound and Vibration Elsevier BV, 2018, vol. 415, issue FEB. P. 78 – 90. ISSN: 0022-460X.
MOKRÝ, P. et al. Adaptive acoustic metasurfaces for the noise shielding 24th International Congress on Sound and Vibration, ICSV 2017 1. ed. London: International Institute of Acoustics and Vibration, IIAV, 2017 P. neuvedeny (8 stran). ISBN: 978-1-906913-27-4, ISSN: 2329-3675.
NEČÁSEK, J., VÁCLAVÍK, J. , and MÁRTON, P. Comparison of analog front-ends for digital synthetic impedance device Proceedings of the 2017 IEEE International Workshop of Electronics, Control, Measurement, Signals and their Application to Mechatronics, ECMSM 2017 Institute of Electrical and Electronics Engineers Inc., 2017 P. 105 – 108. ISBN: 9781509055821.
STEIGER, K. et al. Adaptive acoustic metasurfaces for the active sound field control Proceedings of the 22nd International Congress on Acoustics 1. ed. Buenos Aires: Asociación de Acústicos Argentinos, 2016 P. 1 – 10. ISBN: 978-987-24713-6-1.
PSOTA, P. et al. Comprehensive time average digital holographic vibrometry Optical Engineering SPIE, 2016, vol. 55, issue 12. P. neuvedeny (10 stran). ISSN: 0091-3286.
NEČÁSEK, J., VÁCLAVÍK, J. , and MÁRTON, P. Digital synthetic impedance for application in vibration damping Review of Scientific Instruments 1. ed. AMER INST PHYSICS, 1305 WALT WHITMAN RD, STE 300,: AIP Publishing LLC, 2016, vol. 87, issue 2. P. 0247041 – 0247047. ISSN: 0034-6748.
PSOTA, P. et al. Limits of Phase Modulated Frequency Shifted Holographic Vibrometry at Low Amplitudes of Vibrations International Journal of Mechanical, Aerospace, Industrial, Mechatronic and Manufacturing Engineering 1. ed. Barcelona: World Academy of Science, Engineering and Technology, 2016, vol. 3, issue 10. P. 469. ISSN: 2010-376X.
VÁCLAVÍK, J., KODEJŠKA, M. , and MOKRÝ, P. Wall-plug efficiency analysis of semi-active piezoelectric shunt damping systems JVC/Journal of Vibration and Control 1. ed. London, England: SAGE PUBLICATIONS LTD, 2016, vol. 22, issue 11. P. 2582 – 2592. ISSN: 1077-5463.
KODEJŠKA, M. et al. Adaptivní systémy pro potlačení přenosu vibrací pomocí piezoelektrických prvků s řízenou tuhostí Aplikace piezoelektrických prvků v mechanických a akustických soustavách 1. ed. Liberec: VÚTS, a. s. Liberec, 2015 P. 75 – 94. ISBN: 9788087184578.
PSOTA, P. et al. Advanced time average holographic method for measurement in extensive vibration amplitude range with quantitative single-pixel analysis Proceedings of SPIE - The International Society for Optical Engineering USA: SPIE, 2015 P. neuvedeny (9 stran). ISBN: 9781628416299, ISSN: 1996-756X.
NEČÁSEK, J., VÁCLAVÍK, J. , and MÁRTON, P. Fast and Portable Precision Impedance Analyzer for Application in Vibration Damping 2015 IEEE International Workshop of Electronics, Control, Measurement, Signals and their Application to Mechatronics (ECMSM) 1. ed. New York: IEEE, 2015 P. 16 – 20. ISBN: 9781479969722.
MOKRÝ, P. et al. Noise suppression in curved glass shells using macro-fiber-composite actuators studied by the means of digital holography and acoustic measurements AIP Advances 1. ed. 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-: AMER INST PHYSICS, 2015, vol. 5, issue 2. P. neuvedeny (15 stran). ISSN: 2158-3226.
MOKRÝ, P. et al. Noise transmission through active acoustic metamaterials in the negative elasticity regime Proceedings of the 22nd International Congress on Sound and Vibration 22. ed. Florence, italy: International Institute of Acoustics and Vibration (IIAV), 1418 Wiggins Hall, Auburn, AL 36849, USA, 2015 P. 1 – 8. ISBN: 978-88-88942-48-3, ISSN: 2329-3675.
STEIGER, K. et al. Potlačování emise hluku pomocí piezoelektrických prvků s řízenou tuhostí Aplikace piezoelektrických prvků v mechanických a akustických soustavách 1. ed. Liberec, Česká republika: VÚTS, a. s. Liberec, 2015 P. 95 – 116. ISBN: 9788087184578.
STEIGER, K., MOKRÝ, P., VÁCLAVÍK, J. , and KODEJŠKA, M. Wide frequency range noise shield using curved glass plates with piezoelectric macro fiber composite actuators IEEE Joint International Symposium on the Applications of Ferroelectrics / International Workshop on Acoustic Transduction Materials and Devices / Workshop on Piezoresponse Force Microscopy (ISAF/IWATMD/PFM) 1. ed. State College, PA, USA: IEEE, 2015 P. 212 – 215. ISBN: 9781479938605.
KODEJŠKA, M. et al. Errata: Adaptive vibration suppression system: An iterative control law for a piezoelectric actuator shunted by a negative capacitor (vol 59, pg 2785, 2012) IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL 1. ed. 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2014, vol. 61, issue 7. P. 1243 – 1244. ISSN: 0885-3010.
MOKRÝ, P. et al. Noise shielding using active acoustic metamaterials with electronically tunable acoustic impedance 43rd International Congress on Noise Control Engineering: Improving the World Through Noise Control, INTERNOISE 2014 1. ed. Melbourne, Australia: Australian Acoustical Society, 2014 P. 1 – 9. ISBN: 9780909882037.
VÁCLAVÍK, J., KODEJŠKA, M. , and MOKRÝ, P. Wall-plug efficiency analysis of semi-active piezoelectric shunt damping systems JVC/Journal of Vibration and Control 1. ed. 1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENG: SAGE PUBLICATIONS LTD, 2014, vol. 22, issue 11. P. 2582 – 2590. ISSN: 1077-5463.