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首页> 外文期刊>IEEE Transactions on Automatic Control >Finite-dimensional approximation and error bounds for spectralsystems with partially known eigenstructure
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Finite-dimensional approximation and error bounds for spectralsystems with partially known eigenstructure

机译:具有部分已知特征结构的光谱系统的有限维逼近和误差界

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摘要

An approach is presented for directly computing bounds on the frequency-response error between finite-dimensional modal models and the full infinite-dimensional models of systems described by certain classes of linear hyperbolic and parabolic partial differential equations (PDE's). The models and bounding techniques are developed specifically to be computable when applied to hyperbolic and parabolic systems with spatially variant parameters, complicated boundary shapes, and other cases where the eigenstructure is not available in closed form and must be computed numerically. A controller design example is presented to illustrate the utility of this approach
机译:提出了一种方法,用于直接计算有限维模态模型与某些双线性和抛物线偏微分方程(PDE's)描述的系统的完整无穷维模型之间的频率响应误差范围。这些模型和边界技术经过专门开发,可应用于具有空间变化参数,复杂边界形状的双曲和抛物线系统,以及其他本征结构无法以封闭形式获得而必须进行数值计算的情况。给出了一个控制器设计示例,以说明此方法的实用性

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