非线性系统的多模态ARMAX模型--一种基于插值理论的模型
A Multiple Mode Armax Model of Nonlinear Systems--A Kind of Model Based on Interpolation Theory
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摘要: 基于多元多项式插值理论,提出了非线性系统的多模态模型,分别考虑了非平衡和平衡两 种方式下的多模态模型.在大范围内这两种模型均有较好的精度,特别是平衡式多模态模型 具有便于现场辨识和工程应用的特点.仿真结果表明了这种模态模型的有效性.Abstract: In this paper, based on the interpolation theory, a multiple mode moed1 of nonlinear systems is developed. The MM models under non-equilibrium and equilirium are considered. Both of them are much more accurate than the traditional linearized model of nonlinear systems at one operating point. Especially the MM model under equilibrium is convenient to be identified and applied. The simulation results have shown the effectiveness of the MM model developed in this paper.
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