Modeling and analysis of landing collision dynamics for a shipborne helicopter

Abstract

A Lagrange dynamic model is established based on small-angle approximation to improve the simulation model for shipborne helicopter landing collision. To describe fuselage motion effectively, the proposed model considers ship motion, the interaction of the tires with the deck, and tire slippage. A mechanism of sliding motion is built, and a real-time reliability analysis of the algorithm is implemented to validate the proposed model. Numerical simulations are also conducted under different operation conditions. Results show that the proposed dynamic model can simulate the collision motion of helicopter landing in real time. Several suggestions for helicopter pilot landing are likewise provided.

Keywords

shipborne helicopter / landing model / Lagrange equations / dynamics / validation

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Acknowledgements

This work was supported by the Hebei Province “Giant Plan”, China (Grant No. 4570031), the Hebei Province Natural Science Fund, China (Grant No. E2019203431), and the Foundation for Innovative Research Groups of the Natural Science Foundation of Hebei Province, China (Grant No. E2020203174).

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