Choudhary, Santosh Kumar (2018) Loop-Shaping Controller Synthesis for a 3-DOF Helicopter System. Journal of Advanced Research in Dynamical and Control Systems, 10 (15). pp. 490-499. ISSN 1943023X

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Abstract

This paper investigates a robust controller solution for the position and attitude control problem of 3degree of freedom (DOF) helicopter system. The model of the elevation, roll and travel rate dynamics is considered as a single-input single-output linear system with external disturbances. The article adopts ℋ∞ loop-shaping based robust control concept for the helicopter model to achieve desired attitude (elevation and roll angles) and position (travel rate). The robust properties of the closed-loop system are proven, and simulation results of the paper shows that robust stability and robust tracking property can be achieved simultaneously

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