Troposphere intermittent gliding flight control method
A gliding flight and control method technology, applied in the field of flight control, can solve the problem of not proposing an efficient use of updraft flight control methods, etc., and achieves the effect of easy research and simulation analysis, wide application, and improvement of the clearance time and range.
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[0095] Assuming that there are two updrafts in the flying area of the aircraft, the position and range distribution are as follows Figure 5 As shown, the maximum air velocity at the center of the updraft is all 3m / s. According to formula (2), the Gaussian distribution function describing the updraft is:
[0096] w = 3 * e - [ ( x - 100 ) 2 + ( y - 900 ) 2 2 * 1400 2 ] + 3 * e - [ ( x - 15000 ) 2 + ( y - 16000 ) 2 2 * 670 2 ] - - - ( twenty four )
[0097] Select a certain type of UAV, its main parameters are as follows:
[0098] Wingspan:
[0099] According to formula (9), a six-degree-of-freedom non-linear model of the UAV is established. According to formulas (13) and (15), the longitudinal and lateral decoupling nonlinear equations are given. According to the small disturbance linearization, the longitudinal and lateral ...
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