Method | Aboved 2v1 scenario | 50 scenarios | |
run time | blind zone time | solution probability | |
PSO | 195s | 58s | 80% |
GPM | 176s | 51s | 92% |
HPAGPM | 109s | 40s | 96% |
Multi-aircraft cooperative path planning is a key problem in modern and future air combat scenario. In this paper, this problem is studied in aspect of airborne radar detection to maintain a continuous tracking of a manoeuvring air target. Firstly, the objective function is established in combination with multiple constraints considered, including Doppler blind zone constraint, radar viewing aspect constraint, baseline constraint, and so on. Then, the above optimal control problem is transformed into a nonlinear programming problem with a series of algebraic constraints by hp-adaptive Gauss pseudospectral method (HPAGPM). And it is solved by GPOPS software package based on MATLAB. Simulation results show that the optimized cooperative paths can be got to achieve continuous tracking of maneuvering air target by HPAGPM.
Citation: |
Table 1. Compraison results for theree methods
Method | Aboved 2v1 scenario | 50 scenarios | |
run time | blind zone time | solution probability | |
PSO | 195s | 58s | 80% |
GPM | 176s | 51s | 92% |
HPAGPM | 109s | 40s | 96% |
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An illustration for multi-aircraft air combat
Target radial velocity results without path planning in two-to-one scenario
Flight trajcetories in two-to-one scenario
Target radial velocity in two-to-one scenario
The airborne radar blind zone in two-to-one scenario with HPAGPM
The airborne radar blind zone in two-to-one scenario with GPM
Azimuth angle of the target relative to the aircraft in two-to-one scenario
The normal accelerations in two-to-one scenario
Flight trajcetories in four-to-one scenario
Target radial velocity in four-to-one scenario
Azimuth angle of the target relative to the aircraft in four-to-one scenario
The normal accelerations in four-to-one scenario