Position Measurements Using Magnetic Sensors for a Shape Memory Alloy Linear Actuator

Ricardo Cortez Vega; Gabriel Cubas; Marco Antonio Sandoval-Chileño; Luis Ángel Castañeda Briones; Norma Beatriz Lozada-Castillo; Alberto Luviano-Juárez

doi:10.3390/s22197460

Position Measurements Using Magnetic Sensors for a Shape Memory Alloy Linear Actuator

Ricardo Cortez Vega, Gabriel Cubas, Marco Antonio Sandoval-Chileño, Luis Ángel Castañeda Briones, Norma Beatriz Lozada-Castillo, Alberto Luviano-Juárez

Unidad Profesional Interdisciplinaria de Ingeniería y Tecnologías Avanzadas (UPIITA)

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

This article presents the design and implementation of a linear actuator based on NiTi Shape Memory Alloys with temperature and position measurements based on a magnetic sensor array and a set of thermistors. The position instrumentation is contact free to avoid friction perturbations; the position signal conditioning is carried out through the calculation of the response of each magnetic sensor, selecting the closest sensor to ensure accurate results on the full range of movement. Experimental results validate the accuracy of the position sensing with a competitive behaviour.

Original language	English
Article number	7460
Journal	Sensors
Volume	22
Issue number	19
DOIs	https://doi.org/10.3390/s22197460
State	Published - Oct 2022

Keywords

linear actuator
magnetic sensor
shape memory alloy
temperature sensor

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10.3390/s22197460

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title = "Position Measurements Using Magnetic Sensors for a Shape Memory Alloy Linear Actuator",

abstract = "This article presents the design and implementation of a linear actuator based on NiTi Shape Memory Alloys with temperature and position measurements based on a magnetic sensor array and a set of thermistors. The position instrumentation is contact free to avoid friction perturbations; the position signal conditioning is carried out through the calculation of the response of each magnetic sensor, selecting the closest sensor to ensure accurate results on the full range of movement. Experimental results validate the accuracy of the position sensing with a competitive behaviour.",

keywords = "linear actuator, magnetic sensor, shape memory alloy, temperature sensor",

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AU - Cortez Vega, Ricardo

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AU - Sandoval-Chileño, Marco Antonio

AU - Castañeda Briones, Luis Ángel

AU - Lozada-Castillo, Norma Beatriz

AU - Luviano-Juárez, Alberto

PY - 2022/10

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N2 - This article presents the design and implementation of a linear actuator based on NiTi Shape Memory Alloys with temperature and position measurements based on a magnetic sensor array and a set of thermistors. The position instrumentation is contact free to avoid friction perturbations; the position signal conditioning is carried out through the calculation of the response of each magnetic sensor, selecting the closest sensor to ensure accurate results on the full range of movement. Experimental results validate the accuracy of the position sensing with a competitive behaviour.

AB - This article presents the design and implementation of a linear actuator based on NiTi Shape Memory Alloys with temperature and position measurements based on a magnetic sensor array and a set of thermistors. The position instrumentation is contact free to avoid friction perturbations; the position signal conditioning is carried out through the calculation of the response of each magnetic sensor, selecting the closest sensor to ensure accurate results on the full range of movement. Experimental results validate the accuracy of the position sensing with a competitive behaviour.

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KW - magnetic sensor

KW - shape memory alloy

KW - temperature sensor

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Position Measurements Using Magnetic Sensors for a Shape Memory Alloy Linear Actuator

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