Preprint Communication Version 1 Preserved in Portico This version is not peer-reviewed

Architecture of Distributed Control System for Gearbox-Free More Electric Turbofan Engine

Version 1 : Received: 1 September 2021 / Approved: 2 September 2021 / Online: 2 September 2021 (13:48:38 CEST)

How to cite: Popov, V.; Yepifanov, S.; Kononykhyn, Y.; Tsaglov, A. Architecture of Distributed Control System for Gearbox-Free More Electric Turbofan Engine. Preprints 2021, 2021090042 (doi: 10.20944/preprints202109.0042.v1). Popov, V.; Yepifanov, S.; Kononykhyn, Y.; Tsaglov, A. Architecture of Distributed Control System for Gearbox-Free More Electric Turbofan Engine. Preprints 2021, 2021090042 (doi: 10.20944/preprints202109.0042.v1).

Abstract

The article presents development of the more electric turbofan engine in distributed architecture with a design thrust in the range from 3 to 7.5 and from 7.5 to 30 kN for small and medium-sized unmanned aerial vehicles. The engine subsystems are considered as separate smart modules with a built-in control system, exchanging data via a digital channel with the central engine control and diagnostics unit. The key smart engine units are combined in the following subsystems: starter and turbine generators, oil pumps, actuator of guide vanes, fuel pumps, fuel metering unit, control and diagnostic unit. All pumps and guide vane actuator are electrically driven. Control and monitoring signals are transmitted via a digital bus. Functional and reliability analysis, technical configuration design of each subsystem are presented. Based on analysis of the architecture of distributed control system for gearbox-free more electric engine, different configurations of described subsystems are proposed.

Keywords

unmanned aerial vehicle; more electric aircraft; turbofan engine; distributed control system

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