Electromechanical coupled nonlinear dynamics of euler beam rails for electromagnetic railgun

The chaotic vibration has more important effect on the dynamic performance of the railgun system. It will cause violent vibrations and noise of the mechanical system and also cause large current oscillation in the electric system for the railgun. In this paper, the nonlinear electromechanical coupled dynamics equations for the railgun system are proposed. Using the equations, the nonlinear dynamic performance of the railgun system is investigated. Results show that under some conditions, quasi-periodic vibration and chaotic vibration could occur in the railgun system. The rail current, the distance between two rails, the rail thickness and rail width have effects on the nonlinear vibration of the railgun system. To obtain good dynamic performance of the railgun system, these parameters should be chosen properly. These results are useful in maximizing the power density of the railgun and ensuring launch accuracy.

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Electromechanical coupled nonlinear dynamics of euler beam rails for electromagnetic railgun

Cited by 2 publications

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Relating a Small-Scale Experiment to a Full-Scale Railgun Using Simulation and Similarity Theory

Relating a Small-Scale Experiment to a Full-Scale Railgun Using Simulation and Similarity Theory

Electromechanical coupled chaotic vibration for electromagnetic railgun

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