The uncommanded autofeather system research of turboprop aircraft

Abstract

As a part of turboprop, the autofeather system is to detect the power loss of any engine, trim the power of the opposite engine, and signal aircraft to feather the failed engine propeller. This work analyzes the composition of autofeather system, principle of system control, and the main influential factors of the autofeather unit (AFU) and provides measures to deal with the uncommanded autofeather events and low torque light flashing events, reducing the probability of the uncommanded autofeather and low torque light flashing events. © 2014 Springer-Verlag.