arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2201.06590math.DScs.NAcs.SYeess.SYmath.NA
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端口Hamilton微分代数系统的控制及其应用

Control of port-Hamiltonian differential-algebraic systems and applications

Volker Mehrmann, Benjamin Unger

摘要:

讨论了端口-哈密顿广义系统的建模框架及其在数值模拟和控制中的应用。该结构是基于网络的自动建模的理想选择,因为它在节能互连、同余变换和Galerkin投影下是不变的。此外,稳定性和无源性很容易显示。在正交变换下的凝聚形式为存在性、唯一性、正则性和检查这些性质的数值方法提供了简单的分析工具。在回顾了一般线性和非线性广义系统的概念后,我们证明了在一般广义系统中出现的许多困难可以很容易地在端口哈密顿框架内克服。分析了广义系统的端口哈密顿性质,讨论了其离散化和数值线性代数方法。提出了广义系统的保结构正则化方法,使之适用于仿真和控制。讨论了保持结构和稳定性的模型降阶技术以及最优控制技术。端口哈密顿广义系统的性质和它们在建模,仿真和控制方法中的使用说明了几个例子,从不同的物理域。调查的结论与开放的问题和研究课题,值得进一步关注。

英文摘要:

The modeling framework of port-Hamiltonian descriptor systems and their use in numerical simulation and control are discussed. The structure is ideal for automated network-based modeling since it is invariant under power-conserving interconnection, congruence transformations, and Galerkin projection. Moreover, stability and passivity properties are easily shown. Condensed forms under orthogonal transformations present easy analysis tools for existence, uniqueness, regularity, and numerical methods to check these properties. After recalling the concepts for general linear and nonlinear descriptor systems, we demonstrate that many difficulties that arise in general descriptor systems can be easily overcome within the port-Hamiltonian framework. The properties of port-Hamiltonian descriptor systems are analyzed, time-discretization, and numerical linear algebra techniques are discussed. Structure-preserving regularization procedures for descriptor systems are presented to make them suitable for simulation and control. Model reduction techniques that preserve the structure and stabilization and optimal control techniques are discussed. The properties of port-Hamiltonian descriptor systems and their use in modeling simulation and control methods are illustrated with several examples from different physical domains. The survey concludes with open problems and research topics that deserve further attention.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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