Data-Driven Co-Design of Event-Triggered and Sparse Control for Resource-Aware Networked Control Systems

TL;DR

This paper presents a unified data-driven approach for co-designing event-triggered and sparse control strategies in networked control systems with unknown dynamics, noise, and resource constraints.

Contribution

It introduces a novel framework that jointly designs ETC and sparse controllers directly from data, handling noise and ensuring stability and performance.

Findings

Framework effectively handles measurement and process noise.

Provides conditions for feasible controller design.

Numerical examples demonstrate method effectiveness.

Abstract

This paper investigates the data-driven co-design of event-triggered control (ETC) and sparse control (SC) for networked control systems (NCSs) with unknown linear dynamics. While ETC and SC have been widely studied as effective strategies to reduce communication and computation burdens on different resource dimensions, existing works typically address them separately and rely on accurate system models. Furthermore, their joint design in a data-driven setting, especially in the presence of measurement and process noise, remains largely unexplored. To bridge these gaps, we propose a unified data-driven framework that simultaneously accounts for bounded state and input measurement noise as well as process noise, and enables the co-design of ETC mechanisms and sparse controllers directly from data. Within this framework, we characterize stability, uniformly ultimately bounded (UUB) behavior, and $H_\infty$ performance under different noise conditions. For each problem, given the event-triggered parameters, we provide a sufficient condition for the existence of a feasible controller and develop an iterative algorithm to solve the associated nonconvex optimization problem. Numerical examples are provided to demonstrate the effectiveness of the proposed methods.