DOI:
https://doi.org/10.14483/22484728.14069Publicado:
2018-11-08Número:
Vol. 12 Núm. 2 (2018)Sección:
Visión InvestigadoraInstrumentación para captura y transmisión de señales de vibración
Instrumentation for capture and transmission of vibration signals
Palabras clave:
wireless, maintenance, networks, sensors, signals, vibrations (en).Palabras clave:
inalámbricos, mantenimiento, redes, sensores, señales, vibraciones. (es).Descargas
Resumen (es)
Las señales de vibración son usadas generalmente para detectar fallos en máquinas rotativas. En la actualidad existen diferentes metodologías para realizar análisis basado en dichas señales. Una metodología usada extensamente es el Mantenimiento Basado en Condición (CBM). CBM es un mantenimiento programado que recomienda acciones basadas en información recolectada. Actualmente, para la adquisición de señales de vibración se usan comúnmente Redes de Sensores Inalámbricos (WSNs por sus siglas en ingles). Los WSNs son redes formadas por una cierta cantidad de nodos, cada nodo está equipado con un sensor para identificar un fenómeno físico como la luz, presión, temperatura, etc. En este artículo, se propone un robusto sistema basado en WSNs para la adquisición, almacenamiento y transmisión de señales de vibración, el cual combina un mecanismo de acondicionamiento, una tarjeta central y un dispositivo para la transmisión inalámbrica. El sistema propuesto cumple todas las funciones anteriores de manera automática y precisa para dos señales de vibración y una señal de velocidad.
Resumen (en)
Vibration signals are generally used to detect faults in rotary machines. There are several methods to perform analysis based on these signals. A widely used methodology is Condition Based Maintenance (CBM). CBM is a scheduled maintenance that recommends actions based on the information collected. Currently, for the acquisition of vibration signals are commonly used Wireless Sensor Networks (WSNs). WSNs are network formed by a large number of sensor nodes where each node is equipped with a sensor to detect physical phenomena such as light, heat, pressure, etc. In this paper, it is proposed a robust system based on WSNs for the acquisition, storage and transmission of vibrations signals, which combine a condition mechanism, a central card and a device for wireless transmition. The proposed system performs all the tasks mentioned above automatically and precisely for two vibration signals and one velocity signal
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