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针对某集束防空火箭炮交流位置伺服系统,建立了系统机电耦合数学模型,理论分析了转动惯量、齿隙、传动刚度、速度及位置增益、摩擦、不平衡力矩、瞬时扰动等因素对伺服系统的影响,通过各种变量与伺服系统性能关系的仿真研究,获得了耦合因素对伺服系统影响的变化规律及参数选择规律。仿真结果表明,该分析方法可应用于设计和制造响应速度快、跟踪精度高的火箭炮交流伺服系统,同时位置跟踪性能结果也为系统设计及参数优化提供了参考依据。
A mathematical model of electro-mechanical coupling was established for a bunch of anti-aircraft rocket AC servo systems. The effects of moment of inertia, backlash, transmission stiffness, speed and position gain, friction, unbalanced torque and transient disturbance on the servo system were analyzed theoretically Through the simulation research on the relationship between the variables and the performance of the servo system, the changing rules of the influence of the coupling factors on the servo system and the rule of parameter selection are obtained. The simulation results show that the proposed method can be used to design and manufacture rocket AC servo system with fast response and high tracking accuracy. Meanwhile, the results of position tracking performance also provide reference for system design and parameter optimization.