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Description
| - Principles of an adaptive vibration isolation system based on a method to control the effective spring constant of the piezoelectric actuator are presented here. In this system, the vibration isolation effect is achieved by the actively controlled elastic response of a multi-stack piezoelectric actuator shunted by an active analog electrical network that behaves as a negative capacitor. The narrow frequency range and broad frequency range vibration isolation systems are analyzed, modeled, and experimentally investigated. The problem of high sensitivity of the vibration control system is resolved by applying the adaptive control to the circuit parameters of the negative capacitor. An adaptive system, which can achieve the self-adjustment of the negative capacitor parameters by analyzing a realistic vibration signal that consists of a noise and a dominant harmonic component, is presented. It is shown that such an arrangement allows the realization of a simple system, which, however, offers great vibration isolation efficiency in variable vibration conditions.
- Principles of an adaptive vibration isolation system based on a method to control the effective spring constant of the piezoelectric actuator are presented here. In this system, the vibration isolation effect is achieved by the actively controlled elastic response of a multi-stack piezoelectric actuator shunted by an active analog electrical network that behaves as a negative capacitor. The narrow frequency range and broad frequency range vibration isolation systems are analyzed, modeled, and experimentally investigated. The problem of high sensitivity of the vibration control system is resolved by applying the adaptive control to the circuit parameters of the negative capacitor. An adaptive system, which can achieve the self-adjustment of the negative capacitor parameters by analyzing a realistic vibration signal that consists of a noise and a dominant harmonic component, is presented. It is shown that such an arrangement allows the realization of a simple system, which, however, offers great vibration isolation efficiency in variable vibration conditions. (en)
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Title
| - Adaptive system for the broadband vibration control using a piezoelectric actuator shunted by a negative capacitor
- Adaptive system for the broadband vibration control using a piezoelectric actuator shunted by a negative capacitor (en)
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skos:prefLabel
| - Adaptive system for the broadband vibration control using a piezoelectric actuator shunted by a negative capacitor
- Adaptive system for the broadband vibration control using a piezoelectric actuator shunted by a negative capacitor (en)
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skos:notation
| - RIV/46747885:24220/12:#0002171!RIV13-GA0-24220___
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/46747885:24220/12:#0002171
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - vibration control; broad frequency range; piezoelectric actuator; negative impedance converter (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...i/riv/kodPristupu
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/mistoVydani
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http://linked.open...n/vavai/riv/nosic
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http://linked.open...telVyzkumneZpravy
| - The Pennsylvania State University Materials Research Institute N228 Millennium Science Complex University Park, PA 16802 USA
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...iv/tvurceVysledku
| - Kodejška, Miloš
- Linhart, Václav
- Mokrý, Pavel
- Václavík, Jan
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http://localhost/t...ganizacniJednotka
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