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Electromagnetic Analysis of a Novel Two-Degree-of-Freedom Tubular Linear Rotary Switched Reluctance Machine

Cheng LiuSchool of Electrical Engineering China University of Mining and Technology, Xuzhou 221116, ChinaHao ChenSchool of Electrical Engineering China University of Mining and Technology, Xuzhou 221116, China, Shenzhen Research Institute China University of Mining and Technology, Shenzhen 515100, China, Jiangsu Province Foreign Expert Workshop on New Energy Power Generation and Electric Transportation Xuzhou 221008, China, International Joint Research Center of Central and Eastern European Countries on New Energy Electric Vehicle Technology and Equipment Xuzhou 221008, ChinaMarcin WardachDepartment of Electrical Machines and Drives West Pomeranian University of Technology, Sikorskiego 37, 70-313 Szczecin, PolandJavokhir ToshovTashkent State Technical University University Street No2, 100095 Tashkent, UzbekistanXing WangEvgeny A. BodrenkovThe Institute of Energy Peter the Great Saint Petersburg Polytechnic University, Saint Petersburg, RussiaPopov Stanislav OlegovichThe Institute of Energy Peter the Great Saint Petersburg Polytechnic University, Saint Petersburg, RussiaNikolay KorovkinThe Institute of Energy Peter the Great Saint Petersburg Polytechnic University, Saint Petersburg, RussiaSakhno LiudmilaThe Institute of Energy Peter the Great Saint Petersburg Polytechnic University, Saint Petersburg, RussiaMohamed OrabiElectrical Engineering Department Faculty of Engineering, Aswan University, Aswan, EgyptMahmoud A. GaafarElectrical Engineering Department Faculty of Engineering, Aswan University, Aswan, EgyptEmmanuel KarapidakisSchool of Engineering Hellenic Mediterranean University, Estavromenos Campus, 71004 Heraklio, Crete, GreeceAris DimeasAthens National University of Technology GreeceSherif MoussaSchool of Engineering Canadian University Dubai, 117781, Sheikh Zayed Road, Dubai, United Arab EmiratesHabes Ali KhawaldehThe Renewable Energy Engineering Department Faculty of Engineering, Al al-Bayt University, Mafraq, Jordan
2026
ABI

Annotatsiya

A novel two-degree-of-freedom tubular linear-rotary switched reluctance machine (TLRSRM) is proposed, and its electromagnetic characteristics are investigated. First, based on energy conversion principles, the topology and working mechanism of the TLRSRM are explained. Structural dimensions are determined using conventional motor design experience. Next, a 3D finite element model (FEM) and a structural validation process are established to verify the electromagnetic feasibility of the topology. The magnetic field distributions are compared between the unaligned and aligned positions. Furthermore, parameter sweeping is applied to systematically analyze static electromagnetic characteristics. These include the nonlinear variation of inductance, flux saturation behavior, and electromagnetic force output in a twodimensional position-current parameter space. Finally, the multi-degree-of-freedom coupling mechanism is quantitatively analyzed. Simulation results of both static and dynamic performances successfully confirm the structural feasibility of the proposed topology, thereby establishing a solid theoretical framework for subsequent optimization and control.

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