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The literature review examines the current state of research on modular machines for electric vehicles, including switched reluctance motors, transverse flux machines, and hybrid rotor permanent magnet modular machines. The review covers their construction, control methods, and potential applications, highlighting advantages such as improved performance, increased reliability, and reduced cost due to their smaller footprint. The authors also discuss challenges like proper alignment and coupling of modules, thermal management, and optimizing performance. Additionally, they analyze the different types of modular machines, their advantages and disadvantages, and potential applications in electric vehicles. While acknowledging the challenges, the review concludes that further research and development are needed to fully realize the benefits of modular machines in electric vehicles.