Model-Based and Data-Driven Hierarchical Control and Topology Co-Design for Robust Networked Systems

• URL: http://arxiv.org/abs/2606.11596v1
• Date: Wed, 10 Jun 2026 02:46:47 GMT
• Title: Model-Based and Data-Driven Hierarchical Control and Topology Co-Design for Robust Networked Systems
• Abstract summary: We consider an interconnected set of linear subsystems, disturbance inputs, and performance outputs.<n>Using dissipativity theory, we first propose a model-based design strategy to ensure the system is dissipative from inputs.<n>The overall design process requires only solving a sequence of linear matrix inequality problems.
• Score: 3.562108829381696
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: In this paper, we consider a class of networked systems comprising an interconnected set of linear subsystems, disturbance inputs, and performance outputs. Using dissipativity theory, we first propose a model-based hierarchical control design strategy to ensure the closed-loop networked system is dissipative from its disturbance inputs to performance outputs. This involves designing local controllers for each subsystem to enforce local dissipativity guarantees, which are then exploited to co-design distributed global controllers and the interconnection topology to enforce global dissipativity guarantees while optimizing interconnection topology costs. The overall design process requires only solving a sequence of linear matrix inequality (LMI) problems, thereby retaining compositionality and decentralizability while avoiding non-convex, iterative design processes that are inefficient and centralized. This model-based hierarchical control design strategy assumes the knowledge of the subsystem dynamics, which may not hold in many real-world networked systems. Motivated by this, we also propose a data-driven hierarchical control design strategy that assumes only the availability of rich input-state-output trajectory data from the subsystems. The proposed data-driven design process assumes that the unknown disturbances affecting the subsystem dynamics are bounded by a quadratic matrix inequality (relaxing conventional bounds) and accounts for this by using the matrix S-lemma. Finally, the effectiveness of the proposed model-based and data-driven hierarchical control designs is illustrated for a networked system representing a DC microgrid, with the aim of enforcing robust (dissipative) voltage regulation and current sharing.

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