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鲁棒多模型自适应控制系统的稳定性

DOI: 10.16383/j.aas.2015.c131081, PP. 113-121

Keywords: 鲁棒多模型自适应控制,稳定性,虚拟等价系统,加权

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Abstract:

?研究含有不确定性的连续时间随机被控对象的鲁棒多模型自适应控制(Robustmultiplemodeladaptivecontrol,RMMAC)的闭环稳定性问题.通过采用基于模型输出误差指标的加权算法取代传统的基于卡尔曼滤波器和贝叶斯后验概率公式的加权算法,在权值收敛的前提下,基于虚拟等价系统(Virtualequivalentsystem,VES)理论给出了此类鲁棒多模型自适应控制系统的闭环稳定性证明,并将结果推广到可以用多个线性系统系统模型进行逼近的一类非线性慢时变被控对象.

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