Journal of the Korean Society for Aviation and Aeronautics (한국항공운항학회지)

The Korean Society for Aviation and Aeronautics (한국항공운항학회)
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Helicopter Attitude Command Response Type Control System Design using SAS Actuators and Trim Actuators

안정성증강 작동기와 트림 작동기를 이용한 헬리콥터 자세명령반응타입 제어시스템 설계

  • 김응태 (한국항공우주연구원 항공제어전자팀) ;
  • 최인호 (한국항공우주연구원 항공제어전자팀) ;
  • 현정욱 (한국항공우주연구원 항공제어전자팀)
  • Received : 2013.11.01
  • Accepted : 2013.12.18
  • Published : 2013.12.31
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Abstract

Attitude command response type required for enhanced handling qualities of helicopter can be implemented by mechanical automatic flight control system with SAS actuators which have limited authorities. However, the early saturation of SAS actuator hinders the helicopter from following the attitude command for large stick command. Auto-trim controller can delay SAS actuator's saturation by utilizing trim actuators and allows the attitude command response type for larger stick command. This paper describes the control law for limited authority system of helicopter with auto-trim. Limited authority system is applied to BO-105 linear dynamic model and simulation is performed along with handling quality analysis.

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References

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