一种新型ARX模型在三容水箱液位系统中的应用

摘要

采用一种新的ARX模型(RBF-ARX模型)对三容水箱液位系统进行建模,阐述了RBF-ARX模型的建模原理、模型结构的确定、模型参数辨识及参数优化等问题.并分析了该模型的优越性能,模型的仿真预测输出结果,证实了RBF-ARX模型在非线性系统建模和辨识中的可靠性和有效性.%This paper focuses on the modeling of three-tank water system using RBF-ARX model,states the principium of RBF-ARX model,model structure confirmation,model parameters identification,parameter optimization and so on. The superiori-ty of the model is analyzed,the predictive results of simulation show the reliability and effectiveness of RBF-ARX model for the modeling and identification of nonlinear system.