带材跑偏电液伺服控制系统的品质分析

Quality analysis of the servo control system with material running bias

带材跑偏影响产品质量和生产效率,通过电液伺服系统的数学建模;根据自动控制原理,运用MATLAB/SIMULINK,分析了保障系统稳定性和精度要求的情况下,开环增益的计算;分析计算了系统的主要误差;运用Bode图和Nichols图,验证了系统的稳定性;运用时域响应曲线,验证了系统的快速性;最后,阐述了影响控制精度的因素,阐明了改善控制精度的方法。

With material running bias affects product quality and production efficiency,through the mathematical modeling of electro-liquid servo system,according to the principle of automatic control,using MATLAB/SIMULINK,analysis of the stability and accuracy requirements of the system,the calculation of the main errors of the system,the use of Bode and Nichols diagram,the stability of the system,the use of time domain response curve,verification of the speed of the system,and finally,the analysis of the control accuracy factors.