Journal
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
Volume 64, Issue 4, Pages 3156-3165Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIE.2016.2633470
Keywords
Aero-engine; common Lyapunov function; event-trigger; switched equilibrium manifold expansion (EME) model; switching control
Categories
Funding
- National Natural Science Foundation of China [61233002, 61403354, 61603079]
- 111 Project [B16009]
- IAPI Fundamental Research Funds [2013ZCX03-01]
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This paper investigates the switching control problem for aero-engines. An event-triggered switching control strategy is presented based on the proposed switched equilibrium manifold expansion (EME) model of the aero-engine in order to enhance the speed regulation performance. First, a switching law is given using an optimization index for the candidate EME models, which utilize different mappings based on the off-line data of the aero-engine so that the switched EME model has higher accuracy than general EME models. Then, controllers for the subsystems of the switched EME model are designed using the exact feedback linearization technique. Asymptotic stability of the closed-loop switched system is ensured for arbitrary switching with the given condition. This enables us to pursue other performances via design of switching law with stability guaranteed. An event-triggered switching law is constructed for the controllers to get a better performance. Finally, a case study for a two-spool turbofan engine is performed to verify the effectiveness and superiority of the proposed control strategy.
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