Sistema de medición opto-digital para experiencias de dinàmica en 2D
Date
2011
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Abstract
Se describe un sistema de medición de posiciones en 2D mediante el uso de una cámara digital de alta velocidad,
y posterior procesamiento de imágenes. Este sistema se presenta como particularmente útil para el estudio de
experiencias en 2D tales como el choque de discos y movimiento de placas en general. La velocidad de
obturación, del orden de 100 cuadros por segundo, permite analizar con cierto grado de exactitud la evolución
temporal de las variables físicas de interés: momento lineal y fuerza interactiva en el intervalo de interacción. En
este trabajo, en particular, el sistema de medición se aplica al choque de discos muñidos de un mecanismo de
interacción elástica; obteniéndose resultados acordes con lo esperado con un error del orden 10%, en promedio.
It describes a 2D position measurement system using a high-speed digital camera and subsequent image processing. This system is presented as particularly useful for the study of experiences in 2D such as the collision of discs and plate movement in general. The shutter speed, of about 100 frames per second, enable analyze with any degree of accuracy the time evolution of the physical variables of interest: linear momentum and interactive strength during the interaction interval. In this work, in particular, the measurement system is applicable to the shock of discs armed with an elastic interaction mechanism obtaining results as expected with an error of order 10%, in average..
It describes a 2D position measurement system using a high-speed digital camera and subsequent image processing. This system is presented as particularly useful for the study of experiences in 2D such as the collision of discs and plate movement in general. The shutter speed, of about 100 frames per second, enable analyze with any degree of accuracy the time evolution of the physical variables of interest: linear momentum and interactive strength during the interaction interval. In this work, in particular, the measurement system is applicable to the shock of discs armed with an elastic interaction mechanism obtaining results as expected with an error of order 10%, in average..
Description
Keywords
Choque, Interacción, Elástica, Imagen, Procesamiento
Citation
Asociaciòn Física Argentina. 2011
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