Design of robust hierarchical control for homogeneous linear multi-agent systems with parametric uncertainty and external disturbance

Tuynh Van Pham, Dinh Hoa Nguyen, David Banjerdpongchai

研究成果: Contribution to journalArticle査読

1 被引用数 (Scopus)

抄録

This paper presents the design of robust hierarchical control for homogeneous linear multi-agent systems (MAS) subject to parametric uncertainty and external disturbance. Specifically, the control design is based on a two-layer hierarchical structure consisting of an upper layer and a lower layer. In the lower layer, each agent is represented by a linear time-invariant system and executes a local action. Moreover, each agent exchanges information with neighbouring agents in the upper layer through an undirected graph to achieve the global goal of stabilisation and disturbance attenuation for the MAS. We propose two robust control designs, namely, robust (Formula presented.) hierarchical control and robust (Formula presented.) hierarchical control. The design of local and global feedback control laws is formulated as a constrained optimisation over linear matrix inequalities (LMI). The LMI formulation can effectively incorporate the design objective to minimise disturbance attenuation. Numerical results show that the proposed robust controls ensure robust stability of MAS and outperform the existing nominal controls by improving the disturbance attenuation.

本文言語英語
ジャーナルInternational Journal of Control
DOI
出版ステータス受理済み/印刷中 - 2021

All Science Journal Classification (ASJC) codes

  • 制御およびシステム工学
  • コンピュータ サイエンスの応用

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