Metodologia para cálculo do ajuste do lançador de foguetes de sondagem baseada em simulação de trajetória e método de otimização

Abstract

This paper proposes a methodology for improving the adjustment of the uncontrolled sounding rocket launcher to compensate for the effect that wind disturbances have on the trajectory using a simulation software and optimization method. For rocket launch a high degree of precision, safety and reliability is required. Uncontrolled sounding rockets are launched through the launching rail and to compensate for the direct influence that wind has on the rocket trajectory, the azimuth and elevation angles must be adjusted to compensate for this effect. This research aimed to study a new methodology for calculating the adjustment of the launch rail of these rockets to compensate for the wind effect on their trajectories. Through a validated trajectory simulator and an optimization method, the optimal fit is determined so that the wind effect on the trajectory is efficiently and accurately compensated. The optimization method minimizes the objective function (distance function), nonlinear and unrestricted whose values are obtained via path simulation. Currently the Alcântara CLA Launching Center uses the Guará methodology for tuning, this methodology was implemented in MATLAB language, as well as the trajectory simulator and the optimization method, to compare the results. The results showed a big difference in the impact distance between the two methodologies and the best results of the optimization methodology ranged from 97.953% to 99.999%. Being more robust and more accurate when compared to the method that Guará software uses.