A. Affanni, A. Guerra, L. Dallagiovanna, G. Chiorboli
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Design and characterization of magnetostrictive linear displacement sensors
The design of a low-cost, linear position sensor, based on the transmission of ultrasonic signals in a magnetostrictive delay line is presented. The paper analyzes the sensor principle, parameters to be optimized, conditioning circuits as well as sensor characterization, comparing the results with commercial sensors.