Conference Paper

Modeling of Wake Vortex Effects for Unmanned Air Vehicle Simulations

Conference: AIAA Modeling and Simulation Technologies Conference, Volume: AIAA 2009-5686

ABSTRACT This paper addresses the development of multiple UAV deployment simulation models so as to include representative aerodynamic cross-coupling effects. Applications may include simulations of autonomous aerial refuelling and various surveillance and search & rescue scenarios. A novel wake vortex model was developed and successfully integrated within a Matlab/Simulink simulation environment. The wake vortex model meets the following requirements: (i) it is sufficiently representative to support studies of aerodynamic interaction between multiple air vehicles; (ii) it is straightforward enough to be used within real time or near real time air-to-air simulations. The emphasis of this paper is put on the integration process, and simulation results of a two vehicles formation flight are presented. The simulation models will be used to support in-depth investigations on the likely impact of dynamic air vehicle interactive coupling on autonomous control requirements for multiple vehicle deployment. The wake vortex model has been integrated within the Cobham Synthetic Environment for air-to-air refuelling studies.

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