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A Virtual Test Bench of a Parallel Hybrid Propulsion System for UAVs

Department of Mechanical and Aerospace Engineering, Politecnico di Torino, 10129 Torino, Italy
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Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Aerospace 2019, 6(7), 77; https://doi.org/10.3390/aerospace6070077
Received: 4 June 2019 / Revised: 25 June 2019 / Accepted: 27 June 2019 / Published: 2 July 2019
(This article belongs to the Collection Unmanned Aerial Systems)
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Abstract

The article proposes the design of a test bench simulator to test a parallel hybrid propulsion architecture for aeronautical applications. The virtual test bench simulates, in a scaled version, the real test bench, designed for a power of about 0.4 MW. After presenting the architecture of the real propulsion system, the virtual test bench is described. The real system is basically composed by a paralleled electric motor and thermal engine which provide mechanical power to the propeller. Saving cost and volume the test bench is composed by electric motors simulates the behaviors of the real propulsion system despite their differences. The dynamic relationships expressing the transmission of torque between the components, and the method of down-sizing the power delivered are highlighted. Particular attention is given to the real inertia actions that must be simulated on the virtual test bench. An application of the proposed methodology is then presented through the simulation of the take-off phase, and the torque time histories, angular velocities and powers generated on the virtual test bench are used to verify the corresponding time histories expected in the real system. View Full-Text
Keywords: virtual test bench; hybrid propulsion; UAV virtual test bench; hybrid propulsion; UAV
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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MDPI and ACS Style

Boggero, L.; Corpino, S.; De Martin, A.; Evangelista, G.; Fioriti, M.; Sorli, M. A Virtual Test Bench of a Parallel Hybrid Propulsion System for UAVs. Aerospace 2019, 6, 77.

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