Taking a certain inertial navigation platform system as the research object,a mathematical model of the vibration platform in the system is established based on the theory of symbolic dynamics,and its impact response is solved.Using the impact response as a boundary condition,ABAQUS is used to analyze the impact resistance performance of the inertial navigation equipment in the system,including modal based vibration response analysis and time history based impact response analysis.By summarizing and analyzing the process,a method for analyzing the impact resistance performance of the inertial navigation platform system based on symbolic dynamics is proposed,and it is verified that the system has good impact resistance performance.Research has shown that this method is beneficial for achieving rapid evaluation of the impact response of inertial navigation platform systems,improving analysis and solving efficiency,and comprehensively analyzing the impact resistance performance of weak links in the system.
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