An Aircraft Penetration Trajectory Planning Method Based on rrt* Algorithm
A trajectory planning, aircraft technology, applied in the direction of instruments, three-dimensional position/channel control, control/regulation systems, etc., can solve the problems of not considering the trajectory cost and not guaranteeing the optimality of the planning results.
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[0083] The computing environment for simulation is Intel(R) Core(TM) i5-2320 3.30GHz PC, and the programming environment is Matlab2015b. The penetration area is 900×650km, the starting coordinates of the aircraft are (100,100)km, and the initial heading angle θ 0 is 45°, and the target area is a circular area with (800,400)km as the center and 50km as the radius. Suppose the aircraft is flying at a low altitude of 1km, the flight speed V is 270m / s, and the minimum turning radius ρ is 25km. The RCS data used is as follows: figure 2 As shown, the radar parameter c 1 and c 2 The values are 1.01 and 10 respectively -21 , and the minimum probability P that the aircraft is detected by each radar a Both are 0.3.
[0084] Two assumptions are used to illustrate the feasibility and effectiveness of an aircraft penetration trajectory planning method based on the RRT* algorithm disclosed in this embodiment. The radar position coordinates of Scenario 1 and Scenario 2 are shown in ...
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