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多层次多模型预测控制算法的模型切换方法研究 被引量:13

Research on Model Switching Method of Multi-hierarchical Model Predictive Control System
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摘要 针对多层次多模型(Multi-hierarchical multi-model,MHM)预测控制系统的模型切换问题,在分析各通道非线性程度对模型层次切换以及层次间模型切换过程对系统动态特性的影响的基础上,提出了一种新的模型切换方法.并将此方法应用到多输入多输出pH中和过程,仿真结果表明,该方法有效地改善了系统工况大范围跳变时的动态性能. Based on analysis of the influence of different channels with different degrees of nonlinearity on the layer switching,and model switching between the layers on the dynamic performances,a model switching method is proposed.The simulation results of a pH neutralization process demonstrate that the multi-hierarchical model predictive control using the new model switching method can improve the dynamic performances with large setpoint change.
出处 《自动化学报》 EI CSCD 北大核心 2013年第5期626-630,共5页 Acta Automatica Sinica
基金 国家重点基础研究发展计划(973计划)(2012CB720500) 国家自然科学基金(60974007 61173128)资助~~
关键词 多层次多模型结构 模型预测控制 模型切换 Multi-hierarchical multi-model(MHM) model predictive control model switching
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