基于离散非线性PID控制的十字梁实验系统研究

Research on Cross Beam Experiment System Based on Discrete Nonlinear PID Control

十字梁实验系统作为一个高阶非线性控制系统,在工程上有很高的应用价值。文中给出了十字梁实验系统的数学模型,并设计了一个离散形式的非线性PID控制器,保证了系统的鲁棒性。仿真结果表明,该系统可以获得较好的动态性能。

Cross beam experiment system (CBES) as a high order nonlinear control system has very high application value in the engineering. Based on the description of the mathematical model of CBES, a discrete nonlinear PID controller is designed in this paper, which guarantees the robustness of the system; the simulation results show that this system can gain the better dynamic characteristic.