Details

Autor(en) / Beteiligte

• Spinelli, Stefano
• Farina, Marcello
• Ballarino, Andrea

Titel

A Hierarchical Architecture for Optimal Unit Commitment and Control of an Ensemble of Steam Generators

Ist Teil von

• IEEE transactions on control systems technology, 2022-05, Vol.30 (3), p.1145-1158

Ort / Verlag

New York: IEEE

Erscheinungsjahr

2022

Quelle

IEEE Electronic Library (IEL)

Beschreibungen/Notizen

• A hierarchical architecture for the optimal management of an ensemble of steam generators is presented. The subsystems are coordinated by a multilayer scheme for jointly sustaining a common load. The high level optimizes the load allocation and the generator schedule, considering activation dynamics by a hybrid model. At the medium level, a robust tube-based model predictive control (MPC) tracks a time-varying demand using a centralized-but aggregate-model, whose order does not scale with the number of subsystems. A nonlinear optimization, at medium level, addresses MPC infeasibility due to abrupt changes of ensemble configuration. Low-level decentralized controllers stabilize the generators. This control scheme enables the dynamical modification of the ensemble configuration and plug and play operations. Simulations demonstrate the approach potentialities.