Powering the Future of Urban Air Mobility: Electrical Design and Systems in eVTOL Vehicles

The integration of electric vertical takeoff and landing (eVTOL) aircraft into urban air mobility environments has the potential to reduce traffic congestion in densely populated metropolitan areas. eVTOLs combine the capabilities of helicopters and fixed-wing aircraft, making them ideal for short-to medium-distance urban travels. This paper discusses the electrical design, power systems, and control architectures of eVTOLs with prospects for efficient, sustainable, and scalable aerial transportation within smart cities. Hybrid-electric and full-electric propulsion are the focus of the airline industry to achieve sustainability in smart cities. eVTOLs are among the most promising solutions for congestion, pollution, and urban accessibility. Wingless, lift+cruise, and vectored thrust eVTOL configurations are discussed and compared to provide a comprehensive analysis of their performance and application areas, from short-range air taxis to regional shuttles. Furthermore, this paper discusses the classification, powertrain, power sources, and control systems of eVTOLs. It also highlights Dubai's proactive attempt to integrate autonomous flying vehicles with major challenges from the regulatory, operational, and infrastructural perspectives. This analysis provides insight into recent technological advancements, design considerations, and the possible impact of eVTOLs on urban mobility systems, leading to a sustainable and time-efficient alternative to traditional ground-based transportation.