Electronic battery switch for UAV BLDC motor

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F24%3A00375636" target="_blank" >RIV/68407700:21230/24:00375636 - isvavai.cz</a>

Result on the web

<a href="https://doi.org/10.15866/irease.v17i1.24555" target="_blank" >https://doi.org/10.15866/irease.v17i1.24555</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.15866/irease.v17i1.24555" target="_blank" >10.15866/irease.v17i1.24555</a>

Result language

angličtina

Original language name

Electronic battery switch for UAV BLDC motor

Original language description

The development of unmanned aerial vehicles (UAV) is impossible without optimizing brushless direct current (BLDC) systems and increasing their specific power. To increase power, it is rational to boost the operating voltage while reducing the current and heat dissipation of the stator. However, the impedance of the stator windings and their inductance limit the use of higher operating voltage. High-voltage BLDC motors at low speeds operate inefficiently due to too short pulse-width modulation (PWM) pulses leading to large thermal losses on the output FET transistors. Solutions used in practice in the form of electromechanical switches designed for low operating current or built on a single cascade have low efficiency. This article describes the design of a new high power electronic battery switch that allows efficient use of high voltage BLDC motors at any speed in dynamic mode. This allows for a significant increase in the operating time of the BLDC motor from a single battery charge without the need for additional batteries or recharging of existing ones. Since modern LI-Pol batteries are very expensive and have a limited charge-discharge cycle lifespan, electronic battery switches allow for embedding them into finished products to increase battery life and reduce the final cost of BLDC systems. In particular, it allows the UAV to stay airborne for much longer or use batteries with lower capacity and weight.

Czech name

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Czech description

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Type

J_SC - Article in a specialist periodical, which is included in the SCOPUS database

CEP classification

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OECD FORD branch

20201 - Electrical and electronic engineering

Project

—

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2024

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

International Review of Aerospace Engineering

ISSN

1973-7459

e-ISSN

2533-2279

Volume of the periodical

17

Issue of the periodical within the volume

1

Country of publishing house

IT - ITALY

Number of pages

7

Pages from-to

12-18

UT code for WoS article

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EID of the result in the Scopus database

2-s2.0-85200954217