A Linear, Millimetre Displacement-to-Frequency Transducer
AbstractThe paper presents a novel linear, high-fidelity millimetre displacement-to-frequency transducer, based on the resistive conversion of displacement into a proportional voltage, and then frequency. The derivation of the nonlinearity, fidelity and sensitivity of the transducer is presented. Experimental results confirm that a displacement of 0–100 mm is converted into a frequency range of 0–100 kHz, with a normalised fidelity factor of 99.91%, and a worst-case nonlinearity of less than 0.08%. Tests using laboratory standards show that a displacement of 10 mm is transduced with an accuracy of ±0.6%, and a standard deviation of 530 Hz. Estimates included in the paper show that the transducer could cost less than 1% of existing systems for millimeter displacement measurement.
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Agee, J.T.; Petto, F.K. A Linear, Millimetre Displacement-to-Frequency Transducer. Sensors 2012, 12, 10820-10833.
Agee JT, Petto FK. A Linear, Millimetre Displacement-to-Frequency Transducer. Sensors. 2012; 12(8):10820-10833.Chicago/Turabian Style
Agee, John T.; Petto, Four K. 2012. "A Linear, Millimetre Displacement-to-Frequency Transducer." Sensors 12, no. 8: 10820-10833.