Servo system is a very important part of Remote Control Weapon Station , its accuracy has considerable impact on the performance of armament system. This article analysis the stucture compositon of the machine gun RCWS servo system, and elevating servo system is simplified and model is assumed. Virtual prototype model is built using Admas though adding constraints and loads; Elevating servo system model is built using Admas and Matlab/Simulink; Simulation analysis for tracing precision is conducted in the process of firing, tracing precision error and maximam removing velocity are got ,and that meet the general requirements of system design ,which verify the credibility of the model. This model has remarkable thoery and pratical meaning in the study of RCWS servo system design.
Based on rigid-flexible coupling dynamic model, firing density model and ADAMS / Insight platform, the chamber pressure random of machine gun RCWS is studied by stochastic dynamics simulation of stochastic chamber pressure curve generated by the Monte-Carlo random generator and the internal ballistics module. It can provide theoretical guidance to the virtual fire accuracy of the machine gun RCWS.
Through analysising the structure of the Remote Control Weapon Station (RCWS) and simulating shooting on the move to obtain the characteristics of the muzzles vibration, we use the three-dimensional modeling software SolidWorks and dynamic analysis software RecurDyn to build the integrated dynamic model with road, cars and guns. Meanwhile we verify the correctness of the model. At different speeds and different road conditions we did the dynamics simulation of the Remote Control Weapon Station for the continuous firing on the move and obtained the vibration characteristics of the muzzle, which provided a reference for the operator to control the Remote Control Weapon Station in more stable conditions and improved shooting accuracy.
A certain type of Remote Control Weapon Station is a complex structural system. The main reason of affecting the firing accuracy of weapons of the RCWS is the structural vibration. If there are several components with the similar natural frequency, they will influence each other and there is a possibility of resonance. For the poor firing accuracy of the Remote Control Weapon Station, the mode simulation and mode match analysis is done with the application of the complex structural system mode match analysis theory and by using the advanced finite element analysis software -Workbench, to get the conclusion that the kickstand design which is used to stabilify the weapon barrel need to be improved. That can provide theoretical guidance and technical support for the remote weapon station firing accuracy and stability improvement.
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