A Multilayer Brushless DC Motor for Heavy Lift Drones

Vadim Carev, Jan Roháč, Martin Šipoš and Michal Schmirler
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Vadim Carev: Department of Measurement, Faculty of Electrical Engineering, CTU in Prague, 166 27 Prague, Czech Republic
Jan Roháč: Department of Measurement, Faculty of Electrical Engineering, CTU in Prague, 166 27 Prague, Czech Republic
Martin Šipoš: Department of Measurement, Faculty of Electrical Engineering, CTU in Prague, 166 27 Prague, Czech Republic
Michal Schmirler: Department of Fluid Dynamics and Thermodynamics, Faculty of Mechanical Engineering, CTU in Prague, 166 07 Prague, Czech Republic

Energies, 2021, vol. 14, issue 9, 1-19

Abstract: This paper describes the concept of a multilayer brushless DC motor which is suitable for use on unmanned aerial vehicles (UAVs) and capable of carrying a heavy payload. The paper deals with a unique multilayer structure, using three standard stators placed in parallel with a single rotor body, to increase the torque even under low-speed conditions. In this solution, nine inner windings can use different star/delta interconnections to optimize the performance of the BLDC motor on demand. The proposed multilayer BLDC motor solution utilizes the main advantages of BLDC motors, ensuring highly reliable operation, and thus enabling a BLDC motor to be applied to UAVs. This paper gives an overview of the design, assumes an extension with an electronic inner winding switching capability, and provides practical details about realization, testing, and experimental verification. Practical measurements and obtained data are utilized to confirm the approach.

Keywords: brushless DC; BLDC; motor; unmanned aerial vehicle; UAV; drone; heavy lift; heavy payload (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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