Data-Driven Existence and Design of Target Output Controllers
Yuan Zhang, Wenxuan Xu, Mohamed Darouach, Tyrone Fernando

TL;DR
This paper introduces a data-driven method for designing target output controllers directly from data without system identification, ensuring desired performance and stability even with unknown system dynamics.
Contribution
It establishes existence conditions and synthesizes target output controllers using only historical data, bypassing traditional system identification and enabling observer-based control.
Findings
Controllers designed from data achieve desired pole placement.
The approach works with partial state feedback and unknown system models.
Numerical examples confirm theoretical effectiveness.
Abstract
Target output controllers aim at regulating a system's target outputs by placing poles of a suitable subsystem using partial state feedback, where full state controllability is not required. This paper establishes existence conditions for such controllers using input and partial state data, where the system dynamics are unknown. The approach bypasses traditional system identification steps and leverages the intrinsic structure of historical data to certify controller existence and synthesize a suitable feedback gain. Analytical characterizations are provided, ensuring that the resulting closed-loop system satisfies desired performance objectives such as pole placement or stabilization. Data-driven algorithms are then proposed to design target output controllers directly from data without identifying system parameters, where controllers with the order matching the number of target…
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Taxonomy
TopicsAdvanced Control Systems Optimization
