Robust Control of General Linear Delay Systems under Dissipativity: Part I -- A KSD-based Framework
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| Main Authors: | , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866913019978579968 |
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| author | Feng, Qian Zheng, Wei Xing Wang, Xiaoyu Xiao, Feng |
| author_facet | Feng, Qian Zheng, Wei Xing Wang, Xiaoyu Xiao, Feng |
| contents | This paper introduces an effective framework for designing memoryless dissipative full-state feedback for general linear delay systems via the Krasovskiĭ functional (KF) approach, where an arbitrary finite number of pointwise and general distributed delays (DDs) exists in the state, input and output. To handle the infinite dimensionality of DDs, we employ the Kronecker-Seuret Decomposition (KSD) which we recently proposed for analyzing matrix-valued functions in the context of delay systems. The KSD enables factorization or least-squares approximation of any number of $\fL^2$ DD kernels from any number of DDs without introducing conservatism. This also facilitates the construction of a complete-type KF with flexible integral kernels by means of a novel integral inequality derived from the least-squares principle. Our solution includes two theorems and an iterative algorithm to compute controller gains without relying on nonlinear solvers. A numerical example is tested to show the effectiveness of the proposed approach. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2504_00165 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Robust Control of General Linear Delay Systems under Dissipativity: Part I -- A KSD-based Framework Feng, Qian Zheng, Wei Xing Wang, Xiaoyu Xiao, Feng Optimization and Control Systems and Control This paper introduces an effective framework for designing memoryless dissipative full-state feedback for general linear delay systems via the Krasovskiĭ functional (KF) approach, where an arbitrary finite number of pointwise and general distributed delays (DDs) exists in the state, input and output. To handle the infinite dimensionality of DDs, we employ the Kronecker-Seuret Decomposition (KSD) which we recently proposed for analyzing matrix-valued functions in the context of delay systems. The KSD enables factorization or least-squares approximation of any number of $\fL^2$ DD kernels from any number of DDs without introducing conservatism. This also facilitates the construction of a complete-type KF with flexible integral kernels by means of a novel integral inequality derived from the least-squares principle. Our solution includes two theorems and an iterative algorithm to compute controller gains without relying on nonlinear solvers. A numerical example is tested to show the effectiveness of the proposed approach. |
| title | Robust Control of General Linear Delay Systems under Dissipativity: Part I -- A KSD-based Framework |
| topic | Optimization and Control Systems and Control |
| url | https://arxiv.org/abs/2504.00165 |