As an important branch of electromagnetic launch technology,electromagnetic rail launch has significant advantages such as high launch speed and adjustable launch speed,and is regarded as one of the disruptive technologies that will change the style of future warfare.At present,electromagnetic rail launch technology still faces key bottlenecks such as low firing accuracy and short device life.These are closely related to the complex multi-domain coupled electrical,magnetic,thermal and force launch dynamics behavior involved in electromagnetic rail launcher.However,there is a lack of mature theoretical methods and technical tools for the analysis of system dynamics of electromagnetic rail launcher under extreme impact conditions at home and abroad.In response to the above situation,the corresponding research directions and needs comprehensive with recent domestic and international research progress in the dynamics theory and design methods of electromagnetic rail launcher from the aspects of dynamics modelling,performance prediction and optimization design was presented in this paper.With the engineering development of electromagnetic rail launcher,the dynamics modelling and simulation should consider the overall system factors of the launch environment,a rapid performance prediction and optimization design system for the launch dynamics of electromagnetic orbital launcher coupled with the launch environment should be developed,the basic scientific issues such as the vibration mechanism of electromagnetic orbital launcher coupled with the launch environment in multiple domains should be elucidated in details,and provides support for in-depth research on the dynamics and equipment development of electromagnetic rail launcher.
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