Sensors & Transducers Journal
(ISSN 1726- 5479)
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205.767 |
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(ISSN 1726- 5479) |
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Vol. 150, No. 3, March 2013, pp. 66-71
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1 Mohammad KILANI, 2 Sinan TAIFOUR and 3 Lutfi AL-SHARIF1 Department of Mechatronics Engineering, The University of Jordan, Amman 11942, Jordan Tel.: +962 6 5355000, ext. 23025 2 Technische Universität München, Arcisstrasse 21, 80333 Munich, Germany Tel.: +49 157 785 62559 3 Department of Mechatronics Engineering, The University of Jordan, Amman 11942, Jordan Tel.: +962 6 5355000, ext. 22993 E-mail: mkilani77@yahoo.com, sinan@taifour.com, lal-sharif@theiet.org
Received: 29 November 2012 /Accepted: 19 March 2013 /Published: 29 March 2013 |
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Abstract: The effect of design geometry on the output voltage, linearity and sensitivity of linear variable differential transformers (LVDTs) is presented. The effect of varying six geometric design parameters, including primary coil length, secondary coil length, inner and outer coil radii, and the length and radius of the core, on the transfer characteristics of LVDT is investigated using Finite element simulations. Output voltage vs. core displacement figures are used to determine the effect of the parameters investigated on the stroke and sensitivity.
Keywords: Linear variable differential transformer, Transducer, Sensor, Displacement, Sensitivity, Stroke, Finite element modeling
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