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基于Hammerstei模型的非线性预测控制
引用本文:刘桂芝. 基于Hammerstei模型的非线性预测控制[J]. 微计算机信息, 2007, 23(1)
作者姓名:刘桂芝
摘    要:本文提出了一种针对Hammerstein模型的预测控制策略。该策略将Hammerstein模型中的无记忆非线性静态增益环节,改进成易于由中间变量求取控制量的环节,避免了求解高阶方程根的困难,又对线性环节采用线性系统的广义预测控制。由于引入了广义预测控制中多步预测的思想,抗噪声的能力显著提高。仿真结果验证了该策略的有效性。

关 键 词:Hammerstein模型  非线性优化  广义预测控制

Nonlinear Predictive Control Based on Hammerstein Model
LIU GUIZHI. Nonlinear Predictive Control Based on Hammerstein Model[J]. Control & Automation, 2007, 23(1)
Authors:LIU GUIZHI
Abstract:A generalized predictive control strategy aimed at a kind of Hammerstein model is proposed in the paper. The strategy avoid to solve the high level equation with improve the static nonlinearity portion in the Hammerstein model and adopted the general- ized predictive control algorithm in the linear portion. The power to resist disturbance is enhanced due to introduce multi- step predic- tions idea from generalized predictive control. The simulation examples demonstrate the effectiveness of the strategy.
Keywords:Hammerstein model  nonlinear optimization  generalized predictive control
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