Research on cascade control method for turboshaft engine with variable rotor speed
WenRong Yao,
Wenbo Li,
JinDong Wu
et al.
Abstract:In order to realize high-quality control for turboshaft engine with variable rotor speed, a cascade control method based on the acceleration estimator of gas turbine speed (N
gdot
) through Complementary filtering – incremental nonlinear dynamic inversion (CF-INDI)with Newton’s prediction is proposed. Firstly, an adaptive torsional suppression method based on the Recursive Least Square (RLS) algorithm and combined with the control index of power turbine… Show more
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