Analysis Of Dynamic Coupling Characteristics Of Driving And Working Cycle Of A New Type Of Internal Energy Automaton

In the dynamic calculation process of the internal energy automata,the mutual influence relationship between the drive and the automata working cycle(that is,the coupling relationship)is usually not considered.But this will have a certain impact on the calculation accuracy.Therefore,in order to improve the accuracy of dynamic calculations and provide a better reference for the research and design of internal energy automata,it is necessary to consider the coupling between the drive and the working cycle.In order to analyze the dynamic coupling characteristics of a new type of internal energy automaton drive and the working cycle,a longitudinally moving breech air-guided automaton is used as the research object.Based on the composition and working principle of the automaton,a working cycle diagram is established.The classical interior ballistic theory is used to analyze the interior ballistic characteristics,and the chamber pressure curve is obtained.The corresponding transmission speed ratio and transmission efficiency are obtained by the movement relationship between the components,which provides a calculation basis for the dynamic simulation of the automata in the following.According to the quasi-steady structure model of the gas guide device,the bonding space model of the gas guide device is established using the bond graph and the bonding space theory,and the corresponding state equation is derived.On the basis of the automata cycle diagram,the working cycle of the automaton is divided into seven characteristic segments,and the bonding space model is established for the seven characteristic segments using the bond graph and the bonding space theory,and the corresponding state equations are derived.Combined with the state equation of the air guide device,a simulation program was written to simulate the coupling dynamics of the automaton drive and the working cycle,and the dynamic coupling characteristics in the working process of the automaton were obtained and analyzed accordingly.Compared with the experimental results,the displacement simulation results of the latch seat are in good agreement,which verifies the correctness of the automata dynamics simulation model established by the bond graph and bond space theory.Aimed at the problem of damage and failure caused by delayed fire that occurred during the shooting process of the longitudinally moving breech block airguided automaton.Using its dynamic coupling characteristics,combined with virtual prototype technology,dynamic simulation of the free rebound of the latch seat under three conditions is carried out.Compared with the experimental results,the calculated results are more consistent.Simultaneously,the time range that will cause automata failure under three conditions is obtained by simulation.An anti-bounce device is designed for the problem of the bolt seat rebound.The influence of the anti-bounce device on the rate of fire of the automata and the effect of preventing the bolt seat from rebound are analyzed.