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中文摘要：
提出了一种基于自动分段线性拟合方法的燃料电池复杂非线性静态特性模型简化方法。该方法可在满足预定误差要求前提下自动给出分段线性拟合简化模型,通过调整误差限度改变复杂非线性特性的线性分段数,进而在提高仿真速度的同时保证整个系统仿真的精度要求。该方法也适用于其他具有非线性静态特性的分布式电源。通过对详细模型与简化模型的分析对比,证明了方法的有效性。
英文摘要：
A simplification method of complex nonlinear static characteristics of fuel cell is presented on the basis of automatic piecewise linear fitting method.This method can automatically give the piecewise linear fitting simplified model which can meet the predefined error requirement and change the number of linear subsection by adjusting the error limitation,thus improves the simulation speed while ensuring the simulation precision.It is also suitable for other distributed sources with nonlinear static characteristics.The validity of this method is proved by comparison and analysis between the detailed model and the simplified model.
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