arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2008.12288math.OCcs.NAmath.NA
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具有误差界的(随机)时滞方程的模型降阶

Model Order Reduction for (Stochastic-) Delay Equations With Error Bounds

Simon Becker, Lorenz Richter

摘要:

基于平衡截断方法分析了时滞和随机时滞方程的保结构模型降阶技术,并给出了系统理论解释。将基于Hankel算子的误差界转移到时滞系统,得到了完整模型和降阶模型动态特性之差的误差估计。该分析还为双线性系统和具有乘性噪声和非零初态的随机系统给出了新的误差界。

英文摘要:

We analyze a structure-preserving model order reduction technique for delay and stochastic delay equations based on the balanced truncation method and provide a system theoretic interpretation. Transferring error bounds based on Hankel operators to delay systems, we find error estimates for the difference between the dynamics of the full and reduced model. This analysis also yields new error bounds for bilinear systems and stochastic systems with multiplicative noise and non-zero initial states.

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