基于MATLAB的电液位置伺服系统的最优二次型控制

The Study on Optimal Quadratic Controller of Hydraulic Position Servo System Based on MATLAB

在分析液压位置伺服系统工作特性的基础上,建立了液压位置伺服系统的状态空间模型,介绍了用MATLAB设计最优二次型控制器的基本方法,并且分析了参数变化对最优控制系统设计的影响。仿真结果表明,系统具有良好的动态品质和跟踪性能,为液压伺服控制系统的优化设计提供了新的方法和途径。

Based on analyzing working character of hydraulic position servo systems,the paper established the state space model of the hydraulic position servo system,introduced the fundamental method of designing the optimal quadratic controller by using MATLAB,and discussed the influence to the quadratic optimal control system with parameter variety.The results of simulation showed that the system has better dynamic character and track capability.