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Predictions of Cloud Movements and the Sun Cover Duration (CROSBI ID 613280)

Prilog sa skupa u zborniku | stručni rad | međunarodna recenzija

Radovan, Aleksander ; Ban, Željko Predictions of Cloud Movements and the Sun Cover Duration // MIPRO Conference proceedings / Petar Biljanović (ur.). Rijeka: Hrvatska udruga za informacijsku i komunikacijsku tehnologiju, elektroniku i mikroelektroniku - MIPRO, 2014. str. 1460-1465

Podaci o odgovornosti

Radovan, Aleksander ; Ban, Željko

engleski

Predictions of Cloud Movements and the Sun Cover Duration

In order to optimally control the energy flow in the microgrid, consist of several renewable energy sources, including solar photo electric system and storage system, it is essential to know availability of the specific energy source. So, it is necessary to determine the exact moment of the Sun shading the by clouds as well as shadow duration. These parameters could be obtained by cloud movement tracking system. The cloud movement tracking system is based on the detection of cloud edges and determining angular velocity vector which describes the speed and direction of cloud movements. As clouds change their shapes, directions and speeds, the position of every cloud is determined according to his centroid. This paper deals with cloud recognition and movements analysis based on video stream obtained by camera with resolution 1920x1080 pixels and refresh rate of 25 frames per second. The clouds detection is based on the HSV (Hue-Saturation- Value) color model in combination with mathematical morphological operations of erosion and dilation. Video and image processing was performed by application developed in Java programming language using the JavaCV library that offers the functionalities of computer vision.

renewable energy sources ; cloud movement prediction ; Sun cover duration ; centroid ; HSV

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Podaci o prilogu

1460-1465.

2014.

objavljeno

Podaci o matičnoj publikaciji

MIPRO Conference proceedings

Petar Biljanović

Rijeka: Hrvatska udruga za informacijsku i komunikacijsku tehnologiju, elektroniku i mikroelektroniku - MIPRO

978-953-233-078-6

Podaci o skupu

MIPRO 2014

predavanje

25.05.2014-29.05.2014

Opatija, Hrvatska

Povezanost rada

Elektrotehnika, Računarstvo