Journal of Institute of Control, Robotics and Systems (제어로봇시스템학회논문지)

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Expected Miss Distance Concept and Its Applications to Aircraft Guidance Law for Arbitrary Flight Trajectory Tracking

기동오차 개념을 이용한 임의형상 비행궤적 추종을 위한 유도법칙에 관한 연구

  • 민병문 (전북대학교 대학원 항공우주공학과) ;
  • 노태수 (전북대학교 기계항공시스템 공학부)
  • Published : 2003.06.01
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Abstract

A guidance scheme that is suitable for controlling the aircraft flight path is proposed. The concept of miss distance which is commonly used in the missile guidance laws, and Lyapunov stability theorem are effectively combined to obtain the aircraft's trajectory-tracking guidance law. Guidance commands are given in terms of speed and flight path angles, but they perfectly reflect any position and velocity errors between real aircraft trajectory and reference one. The proposed guidance law is easily integrated into the existing flight control system. The new guidance law was extensively tested with various mission scenarios and the fully nonlinear 6-DOF aircraft model. Furthermore, the new guidance law was compared with previous guidance schemes in nonlinear simulation. Results from the numerical simulation show that the proposed guidance law yields better performance than previous ones.

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References

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