模锻压机完全混合同步系统的建模与分析

Modeling and analysis of completely hybrid synchronous system for forging press

同步控制系统是保证模锻压机正常工作和系统性能的关键部分。介绍了一种基于主动纠偏和被动纠偏的完全混合同步系统,利用拉普拉斯变换法,通过分析该系统建立了多变量数学模型。针对多变量特点,对其进行了控制变量优化。并在系统优化基础上,利用MATLAB软件进行仿真。仿真结果显示,横梁偏转0.015 s时出现最大偏转角为1.4×10-4rad,0.5 s完成纠偏达到水平状态。实验结果表明,该优化系统模型可行,能够快速响应且纠偏效果良好。

Synchronous control system is a key part to ensure the normal operation of forging press and good system performance. A com- pletely hybrid synchronous system based on active rectification and passive rectification was introduced, and a multi-variable mathematical model was built by analyzing the system with Laplace transform method. For multi-variable characteristics, control variables of the system were optimized. And simulation was carried out by MATLAB based on system optimization. The simulation shows that when the beam de- flects, the maximum deflection angle of 1.4 × 10^-4 rad appears at 0. 015 s, and the moving beam rectification is accomplished by recove- ring back to horizontal plane at 0. 5 s. The result shows that the optimization system model is feasible with fast response performance and good rectification performance.