Algorithm of Two Turbojets Thrust Asymmetry Minimization for Digital Control System of Twin-Engine Jet Airliner

This article is devoted to the development and research of the new algorithm for two turbojet engines thrust asymmetry minimization by digital control system of twin-engine jet airliner. Its topicality is due to the fact that the thrust asymmetry influences on flight safety if airliner has two turbojet engines. There should no thrust asymmetry during the flight of an airliner. Therefore, there are set and solved the problem of minimization is the turbojet engines thrust asymmetry minimization by the minimization of the low-pressure rotor speeds asymmetry and the high-pressure rotor speeds asymmetry of turbojet engines. The theoretical basis for solving stated problem is the method of two turbojet engines thrust asymmetry minimization if special corrections for one of the turbojet engine parameters are taken into account. The scientific novelty of solving stated problem is two turbojet engines thrust asymmetry correction by two parameters of turbojet engine thrust in the multidimensional statement for the problem of two turbojet engines thrust asymmetry minimization if special corrections for such parameters are taken into account. The algorithm shoes how to minimize thrust asymmetry of two turbojets that are installed in airliner. The algorithm is designed to be incorporated into digital control system of twin-engine jet airliner by updating its software without special modernization of its hardware. Digital signals for the algorithm are described. This algorithm that helps to minimize thrust asymmetry can be performed as a part of software of digital control system of twin-engine jet airliner.