Comparison of Analog Front-ends for Digital Synthetic Impedance Device

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dc.contributor.authorNečásek Jakubcs
dc.contributor.authorVáclavík Jancs
dc.contributor.authorMarton Pavelcs
dc.date.accessioned2018-09-25T12:11:08Z
dc.date.available2018-09-25T12:11:08Z
dc.date.issued2017cs
dc.description.abstractPiezoelectric actuator connected to the digital synthetic-impedance device (DSID) represents a modern approach for vibration damping. For efficient use of DSID there are requirements for low input-to-output time delay and high output impedance of the DSID's main part - the voltage controlled current source. In this paper we present two types of these analogue front-ends. The first discussed circuit is based on the voltage compensation method, while the second on the current compensation method - Howland current pump. We compare directly measured output impedance, input-to-output time delay and also the relative error between synthesized and prescribed impedance. Final part of the article is devoted to discussion of practical aspects of these two implementations. Discussed is the possibility to offset voltage at the output, tolerance of passive elements and options for tuning of the output impedance.en
dc.format.extent4cs
dc.identifier.doi10.1109/ECMSM.2017.7945916
dc.identifier.isbn9781509055821cs
dc.identifier.urihttps://dspace.tul.cz/handle/15240/30764
dc.identifier.urihttps://ieeexplore.ieee.org/document/7945916
dc.language.isoengcs
dc.publisherInstitute of Electrical and Electronics Engineers Inc.cs
dc.relation.ispartofseries0cs
dc.relation.urihttp://ieeexplore.ieee.org/document/7945916/cs
dc.subjectVoltage controlled current sourcecs
dc.subjectOutput impedancecs
dc.subjectDigital synthetic impedancecs
dc.subjectNoise and Vibration dampingcs
dc.titleComparison of Analog Front-ends for Digital Synthetic Impedance Deviceen
dc.titleComparison of analog front-ends for digital synthetic impedance devicecs
local.citation.epage105-108cs
local.citation.spage105-108cs
local.identifier.publikace4214
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