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Monte-Carlo Based Lateral Thruster Parameters Optimization for 122 mm Rocket

  • Mariusz Jacewicz
  • Robert Glebocki
  • Rafal OzogEmail author
Conference paper
  • 79 Downloads
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 1140)

Abstract

One of the current tendencies is to equip the unguided munition designed for ballistic shooting with low cost, solid propellant lateral thrusters based, actuators to achieve the controlled flight functionality and reduce the collateral damage. The basic technical challenge connected with this type of pulsed control system is that each from the thrusters could be used only once which results in projectile low control authority. The thruster parameters have crucial impact on the achieved hit accuracy. The main goal of this article was to investigate and understand the influence of control force magnitude on the guidance process using six-degree-of-freedom numerical simulation. 122 mm artillery rocket controlled with the aim of 30 solid propellant thrusters mounted before center of mass was chosen as a test object. Single channel control was considered. The impact point prediction algorithm based on point mass model was developed and implemented into a Matlab software. Using Monte-Carlo simulations the optimum lateral thruster force amplitude was obtained for shots at low elevation angle. The numerical experiments showed that with the proposed method the circular error probable of the projectile might be reduced 10 times when compared to unguided case.

Keywords

Monte-Carlo Lateral thruster Impact point prediction guidance 

Notes

Acknowledgements

This work was supported by The National Centre for Research and Development (NCBiR) under project DOB-BIO8/10/01/2016 “Projectiles control system technology development”.

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Division of Mechanics, Faculty of Power and Aeronautical EngineeringWarsaw University of TechnologyWarsawPoland

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