Journal of the Korean Society of Fisheries and Ocean Technology (수산해양기술연구)

The Korean Society of Fisheries and Ocean Technology (한국수산해양기술학회)
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PID controller design based on direct synthesis for set point speed control of gas turbine engine in warships

함정용 가스터빈 엔진의 속도 추종제어를 위한 DS 기반의 PID 제어기 설계

  • Jong-Phil KIM (Ocean Polytec Team, Korea Institute of Maritime and Fisheries Technology) ;
  • Ki-Tak RYU (Ocean Technology Training Team, Korea Institute of Maritime and Fisheries Technology) ;
  • Sang-Sik LEE (Republic of Korea Fleet) ;
  • Yun-Hyung LEE (Ocean Technology Training Team, Korea Institute of Maritime and Fisheries Technology)
  • 김종필 (한국해양수산연수원 오션폴리텍팀) ;
  • 류기탁 (한국해양수산연수원 해양기술교육팀) ;
  • 이상식 (해군작전사령부) ;
  • 이윤형 (한국해양수산연수원 해양기술교육팀)
  • Received : 2022.12.23
  • Accepted : 2023.02.02
  • Published : 2023.02.28
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Abstract

Gas turbine engines are widely used as prime movers of generator and propulsion system in warships. This study addresses the problem of designing a DS-based PID controller for speed control of the LM-2500 gas turbine engine used for propulsion in warships. To this end, we first derive a dynamic model of the LM-2500 using actual sea trail data. Next, the PRC (process reaction curve) method is used to approximate the first-order plus time delay (FOPTD) model, and the DS-based PID controller design technique is proposed according to approximation of the time delay term. The proposed controller conducts set-point tracking simulation using MATLAB (2016b), and evaluates and compares the performance index with the existing control methods. As a result of simulation at each operating point, the proposed controller showed the smallest in %OS, which means that the rpm does not change rapidly. In addition, IAE and IAC were also the smallest, showing the best result in error performance and controller effort.

Keywords

References

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