Reference and Limit Governors for Limit Protection of Turbofan Engines

Wenhao Xu, Muxuan Pan, Jiakun Qin and Jinquan Huang
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Wenhao Xu: Jiangsu Province Key Laboratory of Aerospace Power System, College of Energy & Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Muxuan Pan: Jiangsu Province Key Laboratory of Aerospace Power System, College of Energy & Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Jiakun Qin: Jiangsu Province Key Laboratory of Aerospace Power System, College of Energy & Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Jinquan Huang: Jiangsu Province Key Laboratory of Aerospace Power System, College of Energy & Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Energies, 2019, vol. 12, issue 14, 1-18

Abstract: This paper proposes a novel architecture of limit protection including the references governors and limit governors and applies this architecture to limit protection in turbofan engines. References governors are designed as add-on schemes to a pre-stability engine control system that modifies reference commands to avoid constraints violation. Limit governors are proposed as an assistant part for references governors adjusting constraints to prevent references from stopping updates. The use of output admissible sets for a class of variable constraints is exploited to form invariant sets. Simulation results based on a turbofan engine model show that references governors with limit governors can effectively enforce the multiple constraints and provide enhanced engine thrust when steady violation occurs.

Keywords: turbofan engines; reference governors; limit protection; constraint admissible set (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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