Division method and application of collision risk area of flight route segment
A technology of collision risk and flight segment, which is applied in the field of UAV air traffic operation management, can solve the problems of loss of risk assessment accuracy and failure to ensure the rationality of collision risk zone designation, etc.
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[0101] Implementation case: Collision risk zone designation under the approach procedure of an airport
[0102] Flight on final approach segment is a straight line. This example gives an example of the instrument approach procedure of Chongqing Jiangbei Airport RWY02R. According to the information on the instrument approach chart, s 0 = 10000 meters, horizontal velocity v x = 93.05 m / s, v y = 0 m / s, v z =4.9 m / s, so it can be seen that the descent gradient of the aircraft during the approach phase is old flight segment s ∈ [0, 10000] satisfies the condition:
[0103] x(s)=s
[0104] y(s)=0
[0105] z(s)=k×s
[0106] Assume that the lateral error and vertical error of the flight satisfy a normal distribution with a mean of zero, namely:
[0107] ε y (s)~N[0,δ 0 (s)]
[0108] ε z (s)~N[0,δ 1 (s)]
[0109] Assuming the standard deviation satisfies:
[0110]
[0111]
[0112] where b 0 =0.02,b 1 =0.01, take the size of the aircraft as: λ y =50,λ z = 15...
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