FIELD: fire safety.
SUBSTANCE: invention relates to the field of remote monitoring. Forest fire from the spacecraft monitoring method. Forest fire from the spacecraft monitoring method includes the shooting from the spacecraft and the fire contour determining by the image. Additionally, memorizing the time, at which the fire contour was determined. Determining and memorizing the wind field parameters. Determining the underlying surface various types areas boundaries and distance from the fire contour to these boundaries and area, the fire spreading to which is investigated. Determining the time interval Δt, counted from the memorized point in time, as the smallest of the intervals until the fire contour touches the said boundaries and the said area, and up to the wind field predicted parameters deviation from their memorized values to the specified value. Determining the fire contour at the point tp+Δt, memorizing this moment and the wind field predicted parameters. In case of the said area location outside of the fire contour, actions are repeated. Performing the repeated shooting, according to certain images, the fire contours updating the fire propagation speed and continue repeating. If the fire contour touches the said area, the most rapid fire propagation line to the specified area is defined as the line from given area to the determined by the fire contour last image, divided into segments by the determined after shooting fire contours.
EFFECT: technical result is in determining of the fire line most rapid propagation to the area, to which the fire propagation is investigated.
1 cl, 4 dwg
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Authors
Dates
2019-03-26—Published
2018-02-28—Filed