Position signal detector for linear variable differential transformer

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dc.contributor.authorRerkratn, Apinai
dc.contributor.authorLuangpol, Amata
dc.contributor.authorPetchmaneelumka, Wandee
dc.contributor.authorRiewruja, Vanchai
dc.date.accessioned2026-08-06T10:30:16Z
dc.date.available2026-08-06T10:30:16Z
dc.date.issued2020-12-01
dc.description.abstractThis paper presents the position signal detector for linear variable differential transformer (LVDT) based on RMS-to-DC converter. The proposed detector consists of the differential amplifier, the comparator, the phase detector, the controllable unity-gain inverting/non-inverting amplifier and the RMS-to-DC converter. The proposed technique provides a simple scheme and uses the low cost commercial available devices such as opamp, transistor and digital logic gate. The experimental testing with the commercial LVDT model OP12.5G from Solartron Metrology showing the proposed position signal detector can produce the output voltage corresponding to the measured displacement with satisfactory values and good linearity.
dc.identifier.citationEnergy Reports, 6, 603-607, 2020
dc.identifier.doi10.1016/j.egyr.2020.11.181
dc.identifier.issn23524847
dc.identifier.other2-s2.0-85098863813
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/11414
dc.sourceEnergy Reports
dc.subjectDisplacement measurement
dc.subjectLVDT
dc.subjectPosition sensor
dc.subjectRMS to DC converter
dc.subjectSignal demodulator
dc.titlePosition signal detector for linear variable differential transformer
dc.typeArticle

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