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Applied Physics and Mathematics

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MATHEMATICAL MODELING OF THE CONTROLLED PARACHUTE CARGO SYSTEMS LANDING IN CASE OF THEIR CONTROL SYSTEMS FAILURE
V.G. REUTOV, D.A. SHELOMANOV

For the motion control systems of some of unmanned aerial vehicles (UAV) is provide the task of guidance to the target point when the accuracy requirements are fi rst of all to the coordinates and velocities of the UAV at the end of the trajectory. The article discusses the landing parachute cargo system (PCS) from a random start position with the presence of wind as an example of these UAV. The reliability indicators of the UAV and its control system are the main technical characteristics that determine the functional purpose performance of the UAV. However, it may persist acceptable probability of the task when some failures occurs. The article makes estimates of the decrease in the quality of the functional performance of the PCS related to the failure of its control system, when the values of misses increase, but may still be acceptable. An example is given of mathematical modeling of the motion of PCS in case of failure, in which the values of aerodynamic quality and roll of PCS are preserved. This approach can be applied to assess survivability of other UAV for which the task is to ensure the guidance to a given point, as well as other failure consequences assessments.
Keywords: controlled parachute cargo system, mathematical modeling, control system failure.

Contacts: E-mail: valreutov@yandex.ru

Pp. 38-43.

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