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arXiv 2201.00137eess.SYcs.SY
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最大化部分未知系统吸引域的平方和规划与安全学习

Sum-of-Squares Program and Safe Learning On Maximizing the Region of Attraction of Partially Unknown Systems

Dongkun Han, Hejun Huang

摘要:

学习技术的最新进展使得能够直接从数据建模未知的动力系统。然而,在许多情况下,这些基于学习的方法缺乏安全性保证和严格的稳定性验证。为了解决这个问题,本文首先近似的部分未知的非线性系统,通过使用一个学习的状态空间与高斯过程和切比雪夫插值。然后提出了一种基于平方和规划的方法,通过搜索最优控制李雅普诺夫障碍函数来综合控制器。通过这种方式,我们最大化部分未知的非线性系统的吸引域的估计,同时保证安全性和稳定性。结果表明,该方法提高了外推性能,并在同一时间,产生一个显着更大的估计区域的吸引力。

英文摘要:

Recent advances in learning techniques have enabled the modelling of unknown dynamical systems directly from data. However, in many contexts, these learning-based methods are short of safety guarantee and strict stability verification. To address this issue, this paper first approximates the partially unknown nonlinear systems by using a learned state space with Gaussian Processes and Chebyshev interpolants. A Sum-of-Squares Programming based approach is then proposed to synthesize a controller by searching an optimal control Lyapunov Barrier function. In this way, we maximize the estimated region of attraction of partially unknown nonlinear systems, while guaranteeing both safety and stability. It is shown that the proposed method improves the extrapolation performance, and at the same time, generates a significantly larger estimated region of attraction.

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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