数控滚齿机伺服控制系统的性能优化研究

Research on Performance Optimization of Servo Control System of CNC Gear Hobbing Machine

以数控滚齿机伺服控制系统为研究对象,分析了系统的结构组成和工作原理,建立了驱动系统控制器的数学模型,在传统控制算法基础上,选用PI交叉耦合控制算法,开展了伺服控制系统加载状态下的仿真分析研究。结果表明:与传统控制算法相比,基于PI交叉耦合控制算法的伺服控制系统具有更高的控制精度,能更加有效地控制和降低数控机床的同步误差,保证了数控机床的加工精度;同时,在数控机床驱动系统设计过程中,可参考此算法对控制系统进行设计优化。该研究实现了传统控制算法的理论突破,对数控滚齿机伺服控制系统的性能优化设计具有重要的参考意义。

Taking the servo control system of CNC gear hobbing machine as the research object,the structure and working principle of the system are analyzed, and the mathematical model of the driving system controller is established. Based on the traditional control algorithm,Pi cross-coupling control algorithm is selected. The simulation analysis of servo control system under loading state is carried out. The results show that the servo control system based on Pi cross-coupling control algorithm has higher control precision than the traditional control algorithm and can effectively control and reduce the synchronization error of NC machine tools and ensure the machining accuracy of NC machine tools. At the same time,in the process of designing the drive system of NC machine tool,we can refer to this calculation. The design of control system is optimized by the method. This research has realized the theoretical breakthrough of traditional control algorithm and has important reference significance for the performance optimization design of servo control system of NC gear hobbing machine.