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There has been an increasing need for autonomous helicopters to have the ability to perform aggressive maneuvers. To achieve this, robust and high performance controllers are required to accurately drive the helicopters. In this paper, the robust compensator (RC) technique is applied to the classic finite‐horizon LQR approach to deal with the uncertainties, including nonlinearities, external disturbances,...
In this paper, a feedback control law based on two time‐scale assignment and state extension is implemented for the nonlinear non‐minimum phase dynamics of three degree‐of‐freedom autonomous unmanned helicopters (AUH). Unlike previous techniques, the design procedure does not require time‐scale decomposition between attitude angle and translational states. This reduces the requirements for the AUH...
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