Surge Control of Small Turbojet Engines with Fuzzy Inference Method

소형 터보제트 엔진의 서지 제어를 위한 퍼지추론 기법

  • 지민석 (한서대학교 항공전자시뮬레이션학과) ;
  • 홍승범 (한서대학교 항공전자시뮬레이션학과)
  • Received : 2009.11.13
  • Accepted : 2009.12.04
  • Published : 2009.12.31


The surge control system in unmanned turbojet engine must be capable of accounting uncertainties from engine transient conditions, random fluctuations of key parameters such as air pressure and fuel flow and engine modeling errors. In this paper, taking into consideration of its effectiveness as well as system stability, a fuzzy PI controller is proposed. The role of the fuzzy PI controller is to stabilize the unmanned aircraft upon occurring unexpected engine surge. The proposed control scheme is proved by computer simulation using a linear engine model. The simulation results on the state space model of a small turbojet engine illustrate the proposed control system achieves the desired performance.


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