Community security and protection control system and method based on Internet of Things
A control system, the technology of the Internet of Things, which is applied to the traffic control system of road vehicles, traffic control system, radio wave measurement system, etc., can solve the problem of inaccurate analysis of the driving speed of fire trucks
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Embodiment 1
[0101] Example 1: The obtained real-time walking position of pedestrians in the community is {(a g ,b g ),(a f ,b f ),(a q ,b q )}={(150,450),(620,1000),(1200,1800)}, o refers to the number of steps of pedestrians; the position coordinates of the vertices of the fire lane are ={(900,1200),(900,540),(1500,1200),(1500,540)};
[0102] To establish a rectangular coordinate system, the specific formula for the first included angle is as follows:
[0103] Set, the coordinates of the pedestrian’s location in the community (a f , b f )=(620,1000) and the line between the extension line of this position and the intersection position (950,1240) of the fire lane, and the second angle between the line and the horizontal direction, the calculation steps of the second angle as follows:
[0104] Establish a Cartesian coordinate system, then ;
[0105] If the detection result is 90>40, it will give an early warning and remind pedestrians not to continue driving in the current d...
Embodiment 2
[0106] Example 2: The real-time walking position of pedestrians in the community is obtained as {(a g ,b g ),(a f ,b f ),(a q ,b q )}={(1000,1600),(1250,1750),(1100,1300)}, o refers to the number of steps of pedestrians; the position coordinates of each vertex of the fire lane are ={(900,1200),(900,540),(1500,1200),(1500,540)};
[0107] To establish a rectangular coordinate system, the specific formula for the first included angle is as follows:
[0108] Set, the coordinates of the pedestrian’s location in the community (a f , b f )=(1250,1750) and the line between the extension line of this position and the intersection position (950,1240) of the fire lane, and the second angle between the line and the horizontal direction, the calculation steps of the second angle as follows:
[0109] To establish a rectangular coordinate system, then;
[0110] If 90>60 is detected, it will give an early warning and remind pedestrians not to continue driving in the current dir...
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