<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE article PUBLIC "-//NLM//DTD JATS (Z39.96) Journal Publishing DTD v1.4 20241031//EN"
        "https://jats.nlm.nih.gov/publishing/1.4/JATS-journalpublishing1-4.dtd">
<article  article-type="research-article"        dtd-version="1.4">
            <front>

                <journal-meta>
                                                                <journal-id>ij3dptdi</journal-id>
            <journal-title-group>
                                                                                    <journal-title>International Journal of 3D Printing Technologies and Digital Industry</journal-title>
            </journal-title-group>
                            <issn pub-type="ppub">2602-3350</issn>
                                        <issn pub-type="epub">2602-3350</issn>
                                                                                            <publisher>
                    <publisher-name>Kerim ÇETİNKAYA</publisher-name>
                </publisher>
                    </journal-meta>
                <article-meta>
                                        <article-id pub-id-type="doi">10.46519/ij3dptdi.1835318</article-id>
                                                                <article-categories>
                                            <subj-group  xml:lang="en">
                                                            <subject>Simulation, Modelling, and Programming of Mechatronics Systems</subject>
                                                            <subject>Control Engineering, Mechatronics and Robotics (Other)</subject>
                                                    </subj-group>
                                            <subj-group  xml:lang="tr">
                                                            <subject>Mekatronik Sistemlerin Simülasyonu, Modellenmesi ve Programlanması</subject>
                                                            <subject>Kontrol Mühendisliği, Mekatronik ve Robotik (Diğer)</subject>
                                                    </subj-group>
                                    </article-categories>
                                                                                                                                                        <title-group>
                                                                                                                        <article-title>MAGNETIC DESIGN OF A BLDC MOTOR FOR ELECTRIC SCOOTERS: A CASE STUDY OF TOGU CAMPUS</article-title>
                                                                                                                                                                                                <trans-title-group xml:lang="tr">
                                    <trans-title>MAGNETIC DESIGN OF A BLDC MOTOR FOR ELECTRIC SCOOTERS: A CASE STUDY OF TOGU CAMPUS</trans-title>
                                </trans-title-group>
                                                                                                                                        </title-group>
            
                                                    <contrib-group content-type="authors">
                                                                        <contrib contrib-type="author">
                                                                    <contrib-id contrib-id-type="orcid">
                                        https://orcid.org/0009-0002-3096-6060</contrib-id>
                                                                <name>
                                    <surname>Aslan</surname>
                                    <given-names>Berat</given-names>
                                </name>
                                                                    <aff>TOKAT GAZİOSMANPAŞA ÜNİVERSİTESİ, LİSANSÜSTÜ EĞİTİM ENSTİTÜSÜ, MEKATRONİK MÜHENDİSLİĞİ (YL) (TEZLİ)</aff>
                                                            </contrib>
                                                    <contrib contrib-type="author">
                                                                    <contrib-id contrib-id-type="orcid">
                                        https://orcid.org/0000-0003-1085-0968</contrib-id>
                                                                <name>
                                    <surname>Eker</surname>
                                    <given-names>Mustafa</given-names>
                                </name>
                                                                    <aff>TOKAT GAZİOSMANPAŞA ÜNİVERSİTESİ</aff>
                                                            </contrib>
                                                                                </contrib-group>
                        
                                        <pub-date pub-type="pub" iso-8601-date="20260430">
                    <day>04</day>
                    <month>30</month>
                    <year>2026</year>
                </pub-date>
                                        <volume>10</volume>
                                        <issue>1</issue>
                                        <fpage>94</fpage>
                                        <lpage>103</lpage>
                        
                        <history>
                                    <date date-type="received" iso-8601-date="20251203">
                        <day>12</day>
                        <month>03</month>
                        <year>2025</year>
                    </date>
                                                    <date date-type="accepted" iso-8601-date="20260218">
                        <day>02</day>
                        <month>18</month>
                        <year>2026</year>
                    </date>
                            </history>
                                        <permissions>
                    <copyright-statement>Copyright © 2017, International Journal of 3D Printing Technologies and Digital Industry</copyright-statement>
                    <copyright-year>2017</copyright-year>
                    <copyright-holder>International Journal of 3D Printing Technologies and Digital Industry</copyright-holder>
                </permissions>
            
                                                                                                <abstract><p>The increase in environmental problems caused by fossil fuels has made electric micromobility vehicles strategically important in urban transportation. However, these vehicles with standard equipment experience performance inadequacies in settlements with variable topographic features and high gradients. This study aims to design and analyze the performance of a Brushless Direct Current (BLDC) motor specifically optimized for the challenging topographical conditions of the Tokat Gaziosmanpaşa University (TOGU) campus, which features gradients exceeding 10% in certain regions. To this end, an integrated approach combining analytical design procedures based on vehicle dynamics and topographical constraints with parametric optimization processes using the Finite Element Method (FEM) has been developed. The developed model resulted in an external rotor motor topology that meets the requirements of ~1.5 kW peak power and ~25 Nm torque. Simulation analyses conducted in 2D show that the designed motor operates without entering magnetic saturation even under the most demanding load conditions, exhibits a suitable back-electromotive force (back-EMF) profile, and achieves a high efficiency value of ~91%. Ultimately, this study demonstrates that considering local topographical constraints as design parameters significantly improves energy efficiency and driving performance compared to standard solutions.</p></abstract>
                                                                                                                                    <trans-abstract xml:lang="tr">
                            <p>The increase in environmental problems caused by fossil fuels has made electric micromobility vehicles strategically important in urban transportation. However, these vehicles with standard equipment experience performance inadequacies in settlements with variable topographic features and high gradients. This study aims to design and analyze the performance of a Brushless Direct Current (BLDC) motor specifically optimized for the challenging topographical conditions of the Tokat Gaziosmanpaşa University (TOGU) campus, which features gradients exceeding 10% in certain regions. To this end, an integrated approach combining analytical design procedures based on vehicle dynamics and topographical constraints with parametric optimization processes using the Finite Element Method (FEM) has been developed. The developed model resulted in an external rotor motor topology that meets the requirements of ~1.5 kW peak power and ~25 Nm torque. Simulation analyses conducted in 2D show that the designed motor operates without entering magnetic saturation even under the most demanding load conditions, exhibits a suitable back-electromotive force (back-EMF) profile, and achieves a high efficiency value of ~91%. Ultimately, this study demonstrates that considering local topographical constraints as design parameters significantly improves energy efficiency and driving performance compared to standard solutions.</p></trans-abstract>
                                                                                    
            
                                                            <kwd-group>
                                                    <kwd>BLDC Motor</kwd>
                                                    <kwd>  Electric Scooter</kwd>
                                                    <kwd>  Optimization</kwd>
                                                    <kwd>  Finite Element Method.</kwd>
                                            </kwd-group>
                                                                                    
                                                                            <kwd-group xml:lang="tr">
                                                    <kwd>BLDC Motor</kwd>
                                                    <kwd>  Electric Scooter</kwd>
                                                    <kwd>  Optimization</kwd>
                                                    <kwd>  Finite Element Method.</kwd>
                                            </kwd-group>
                                                                                                                                        </article-meta>
    </front>
    <back>
                            <ref-list>
                                    <ref id="ref1">
                        <label>1</label>
                        <mixed-citation publication-type="journal">1. Winkler, L., Pearce, D., Nelson, J., Babacan, O., “The effect of sustainable mobility transition policies on cumulative urban transport emissions and energy demand”, Nature Communications, Vol. 14, Issue 1, Pages 1-14, 2023.</mixed-citation>
                    </ref>
                                    <ref id="ref2">
                        <label>2</label>
                        <mixed-citation publication-type="journal">2. Sun, D., Xia, J., “Research on road transport planning aiming at near zero carbon emissions: Taking ruicheng county as an example”, Energy, Vol. 263, Issue Part B, Pages 1-10, 2023.</mixed-citation>
                    </ref>
                                    <ref id="ref3">
                        <label>3</label>
                        <mixed-citation publication-type="journal">3. Duan, L., Hu, W., Deng, D., Fang, W., Xiong, M., Lu, P., Li, Z., Zhai, C., “Impacts of reducing air pollutants and CO2 emissions in urban road transport through 2035 in Chongqing, China”, Environmental Science Ecotechnol., Vol. 8, Issue 2021, Pages 1-12, 2021.</mixed-citation>
                    </ref>
                                    <ref id="ref4">
                        <label>4</label>
                        <mixed-citation publication-type="journal">4. Ruggieri, R., Ruggeri, M., Vinci, G., Poponi, S., “Electric mobility in a smart city: European overview”, Energies, Vol. 14, Issue 2, Pages 1-29, 2021.</mixed-citation>
                    </ref>
                                    <ref id="ref5">
                        <label>5</label>
                        <mixed-citation publication-type="journal">5. Comi, A., Polimeni, A., “Assessing potential sustainability benefits of micromobility: A new data driven approach”, European Transport Research Review, Vol. 16, Issue 9, Pages 1-20, 2024.</mixed-citation>
                    </ref>
                                    <ref id="ref6">
                        <label>6</label>
                        <mixed-citation publication-type="journal">6. Oeschger, G., Carroll, P., Caulfield, B., “Micromobility and public transport integration: The current state of knowledge”, Transportation Research Part D Transport and Environment., Vol. 89, Issue 2020, Pages 1-21, 2020.</mixed-citation>
                    </ref>
                                    <ref id="ref7">
                        <label>7</label>
                        <mixed-citation publication-type="journal">7. Sun, S., Ertz, M., “Can shared micromobility programs reduce greenhouse gas emissions: Evidence from urban transportation big data”, Sustainable Cities and Society, Vol. 85, Issue 1, Pages 1-15, 2022.</mixed-citation>
                    </ref>
                                    <ref id="ref8">
                        <label>8</label>
                        <mixed-citation publication-type="journal">8. Şengül, B., Mostofi, H., “Impacts of e-micromobility on the sustainability of urban transportation—A systematic review”, Applied Sciences, Vol. 11, Issue 13, Pages 1-20, 2021.</mixed-citation>
                    </ref>
                                    <ref id="ref9">
                        <label>9</label>
                        <mixed-citation publication-type="journal">9. Dias, G., Arsenio, E., Ribeiro, P., “The role of shared e-scooter systems in urban sustainability and resilience during the Covid-19 mobility restrictions”, Sustainability, Vol. 13, Issue 13, Pages 1-19, 2021.</mixed-citation>
                    </ref>
                                    <ref id="ref10">
                        <label>10</label>
                        <mixed-citation publication-type="journal">10. Glavić, D., Trpković, A., Milenković, M., Jevremović, S., “The e-scooter potential to change urban mobility—Belgrade case study”, Sustainability, Vol. 13, Issue 11, Pages 1-29, 2021.</mixed-citation>
                    </ref>
                                    <ref id="ref11">
                        <label>11</label>
                        <mixed-citation publication-type="journal">11. Hollingsworth, J., Copeland, B., Johnson, J., “Are e-scooters polluters? The environmental impacts of shared dockless electric scooters”, Environmental Research Letters, Vol. 14, Issue 8, Pages 1-10, 2019.</mixed-citation>
                    </ref>
                                    <ref id="ref12">
                        <label>12</label>
                        <mixed-citation publication-type="journal">12. Gobbi, M., Sattar, A., Palazzetti, R., Mastinu, G., “Traction motors for electric vehicles: Maximization of mechanical efficiency – A review”, Applied Energy, Vol. 357, Issue 1, Pages 1-27, 2023.</mixed-citation>
                    </ref>
                                    <ref id="ref13">
                        <label>13</label>
                        <mixed-citation publication-type="journal">13. Krishnamoorthy, S., Panikkar, P., “A comprehensive review of different electric motors for electric vehicles application”, International Journal of Power Electronics Drive Systems, Vol. 15, Issue 1, Pages 74-90, 2024.</mixed-citation>
                    </ref>
                                    <ref id="ref14">
                        <label>14</label>
                        <mixed-citation publication-type="journal">14. Akar, M., Eker, M., Akın, F., “BLDC motor design and application for light electric vehicle”, Afyon Kocatepe Univercity Journal Sciences and Engineering, Vol. 21, Issue 2, Pages 326-336, 2021.</mixed-citation>
                    </ref>
                                    <ref id="ref15">
                        <label>15</label>
                        <mixed-citation publication-type="journal">15. Aziz, M., Saidon, M., Romli, M., Othman, S., Mustafa, W., Manan, M., Aihsan, M., “A review on BLDC motor application in electric vehicle (EV) using battery, supercapacitor and hybrid energy storage system: Efficiency and future prospects”, Journal of Advaced Research Applied Sciences and Engineering Technology, Vol. 30, Issue 2, Pages 41-59, 2023.</mixed-citation>
                    </ref>
                                    <ref id="ref16">
                        <label>16</label>
                        <mixed-citation publication-type="journal">16. Hiếu, L., Lim, O., “Effects of the structure and operating parameters on the performance of an electric scooter”, Sustainability, Vol. 15, Issue 11, Pages 1-19, 2023.</mixed-citation>
                    </ref>
                                    <ref id="ref17">
                        <label>17</label>
                        <mixed-citation publication-type="journal">17. Korzilius, O., Borsboom, O., Hofman, T., Salazar, M., “Optimal design of electric micromobility vehicles”, 2021 IEEE International Intelligent Transportation Systems Conference (ITSC), Pages 1677-1684, Indianapolis, 2021.</mixed-citation>
                    </ref>
                                    <ref id="ref18">
                        <label>18</label>
                        <mixed-citation publication-type="journal">18. Hiếu, L., Lim, O., “A deep learning approach to optimize the performance and power demand of electric scooters under the effect of operating and structure parameters”, Energies, Vol. 17, Issue 2, Pages 1-19, 2024.</mixed-citation>
                    </ref>
                                    <ref id="ref19">
                        <label>19</label>
                        <mixed-citation publication-type="journal">19. Salehinia, S., Afjei, E., Hekmati, A., “Analytical method for optimal design of synchronous reluctance motor for electric scooter application”, Scienta Iranica, Vol. 29, Issue 5, Pages 2537-2551, 2022.</mixed-citation>
                    </ref>
                                    <ref id="ref20">
                        <label>20</label>
                        <mixed-citation publication-type="journal">20. Nama, T., Tripathy, P., Gogoi, A., “Study of hilly region road for electric scooters”, IEEE Transportation Electrification Conference (ITEC-India), Pages 1-6, Gurugram, 2021.</mixed-citation>
                    </ref>
                                    <ref id="ref21">
                        <label>21</label>
                        <mixed-citation publication-type="journal">21. Soyaslan, M., “External Rotor BLDC Motor Design for a Light Electric Vehicle: 24 Slot/22 Pole Combination”, 18th Conference on Electrical Machines, Drives and Power Systems (ELMA), Varna, Bulgaria, Pages 1-4, 2023</mixed-citation>
                    </ref>
                                    <ref id="ref22">
                        <label>22</label>
                        <mixed-citation publication-type="journal">22. Cabuk, A. S., Saglam, S., Ustün, Ö., “Investigation on efficiency of in-wheel BLDC motors for different winding structures”, Journal of the Faculty of Engineering and Architecture of Gazi University, Vol. 34, Issue 4, Pages 1975-1985, 2019.</mixed-citation>
                    </ref>
                                    <ref id="ref23">
                        <label>23</label>
                        <mixed-citation publication-type="journal">23. Chawrasia S.K., Das A., Chanda C.K., Banerjee S., “Design, analysis and comparative study of Hub motor for an electric bike”, Michael Faraday IET International Summit 2020 MFIIS, Pages 242–247, Kolkata, 2020.</mixed-citation>
                    </ref>
                                    <ref id="ref24">
                        <label>24</label>
                        <mixed-citation publication-type="journal">24. Ozupak Y. “Efficiency analysis of BLDC motor for variable magnetic field”, MANAS Journal of Engineering, Vol. 10, Issue 1, Pages 105-109, 2022.</mixed-citation>
                    </ref>
                                    <ref id="ref25">
                        <label>25</label>
                        <mixed-citation publication-type="journal">25. Ocak C., Tarimer I., Dalcali A., Uygun D., “Investigation effects of narrowing rotor pole embrace to efficiency and cogging torque at PM BLDC motor”, TEM Journal, Vol. 5, Issue 1, Pages 25, 2016.</mixed-citation>
                    </ref>
                                    <ref id="ref26">
                        <label>26</label>
                        <mixed-citation publication-type="journal">26. Soyaslan M., Avşar Y., Fenercioğlu A., Eldoğan O., “Cogging Torque Reduction in External Rotor PM Synchronous Motors by Optimum Pole Embrace”, 3rd International Symposium on Multidisciplinary Studies and Innovative Technologies (ISMSIT), Pages 1-4, Ankara, 2019.</mixed-citation>
                    </ref>
                                    <ref id="ref27">
                        <label>27</label>
                        <mixed-citation publication-type="journal">27. Minh D., Quoc V., Huy P., Efficiency Improvement of Permanent Magnet BLDC Motors for Electric Vehicles&quot;, Engineering Technology &amp; Applied Science Research, Vol. 11, Issue 5, Pages 7615-7618, 2021.</mixed-citation>
                    </ref>
                                    <ref id="ref28">
                        <label>28</label>
                        <mixed-citation publication-type="journal">28. Anuja T.A., Doss M.A.N., Senthilkumar R., Rajesh K.S., Brindha R., “Modification of Pole Pitch and Pole Arc in Rotor Magnets for Cogging Torque Reduction in BLDC Motor”, IEEE Access, Vol. 10, Issue 2022, Pages 116709-116722, 2022.</mixed-citation>
                    </ref>
                                    <ref id="ref29">
                        <label>29</label>
                        <mixed-citation publication-type="journal">29. Ozupak, Y., Çınar, M., “Design and Co-Analysis of A Permanent Magnet Brushless DC Motor By Using Clonal Selection Principle Based Wound Healing Algorithm and Ansys-Maxwell”, Gazi University Journal of Science Part A: Engineering and Innovation, Vol. 10, Issue 4, Pages 499-510, 2023.</mixed-citation>
                    </ref>
                                    <ref id="ref30">
                        <label>30</label>
                        <mixed-citation publication-type="journal">30. Kim, T.-S., Yang, J.-W., Shin, K.-H., Jang, G.-H., Han, C., Choi, J.-Y., “Analysis of Electromagnetic Characteristics of Outer Rotor Type BLDC Motor Based on Analytical Method and Optimal Design Using NSGA-II”, Machines, Vol. 13, Issue 6, Pages 1-18, 2025.</mixed-citation>
                    </ref>
                                    <ref id="ref31">
                        <label>31</label>
                        <mixed-citation publication-type="journal">31. Susam, Tekin. “Topographical Analyses of Unmanned Aerial Vehicle-Based Very High-Resolution Digital Surface Models for Archaeological Sites”, Tehnicki Vjesnik, Vol. 26, Issue 1, Pages 236-242, 2019.</mixed-citation>
                    </ref>
                                    <ref id="ref32">
                        <label>32</label>
                        <mixed-citation publication-type="journal">32. Ulastirma ve Altyapi Bakanlıgı, “Elektrikli skuter yönetmeliği”, [Electric Scooter Regulation], https://www.uab.gov.tr/uploads/pages/mevzuatlar/01-uab-eskuter-katalog-a4-130421.pdf, December 1, 2025.</mixed-citation>
                    </ref>
                                    <ref id="ref33">
                        <label>33</label>
                        <mixed-citation publication-type="journal">33. Chapman, S.J., “Electric machinery fundamentals”, Pages 271-464, The McGraw-Hill Companies, New York, 2012.</mixed-citation>
                    </ref>
                                    <ref id="ref34">
                        <label>34</label>
                        <mixed-citation publication-type="journal">34. Soyaslan, M., Bazazian, M., Eldoğan, O., “Comprehensive Design and Testing of a BLDC Motor for Direct Drive EV Applications”, Journal of Materials and Mechatronics: A, Vol. 6, Issue 1, Pages 32-48, 2025.</mixed-citation>
                    </ref>
                                    <ref id="ref35">
                        <label>35</label>
                        <mixed-citation publication-type="journal">35. Chakkarapani, K., Thangavelu, T., Dharmalingam, K., Thandavarayan, P., “Multiobjective design optimization and analysis of magnetic flux distribution for slotless permanent magnet brushless DC motor using evolutionary algorithms”, Journal of Magnetism and Magnetic Materials, Vol. 476, Issue 2019, Pages 524-537, 2019.</mixed-citation>
                    </ref>
                                    <ref id="ref36">
                        <label>36</label>
                        <mixed-citation publication-type="journal">36. Kahar, M. I., Raja Othman, R. N. F. K., Khamis, A., Abdullah, N., Shukor, F. A. A., Tat, L. S., “Effect of Slot-Pole Numbers on the Performance of a BLDC Motor for Agro-EV Application”, ECTI Transactions on Electrical Engineering, Electronics, and Communications, Vol. 20, Issue 1, Pages 51–61, 2022.</mixed-citation>
                    </ref>
                                    <ref id="ref37">
                        <label>37</label>
                        <mixed-citation publication-type="journal">37. Bogdan, V., Adrian, M., Leonard, L., Alexandra, B., Alecsandru, S., Nacu, I., &quot;Design and Optimization of a BLDC Motor for Small Power Vehicles&quot;, 2021 International Conference on Electromechanical and Energy Systems (SIELMEN), Pages 438-443, Iasi, 2021.</mixed-citation>
                    </ref>
                            </ref-list>
                    </back>
    </article>
