Abstract Electromagnetic launch (EML) technology takes electric energy as the original organization form and achieves accurate control from information flow to energy flow. It involves deep cross-integration of multiple disciplines and fields such as electrical, material, information and control, and has significant advantages such as high launch kinetic energy, high system efficiency, high launch frequency, fast start time, strong continuous launch capability and strong load adjustable capability. It will become a new launch technology to replace the traditional mechanical launch and chemical-energy launch. In recent years, with the rapid development of integrated power technology, new composite materials, high-voltage and high-power switches and artificial intelligence, EML technology has set off a new round of research upsurge, and has great significance in the military and civilian fields to subvert the existing pattern. Based on the research achievements in EML field in the past 20 years, this paper introduces the technical characteristics and technical branches of EML, and summarizes five common technologies of EML system, such as pulsed energy storage, pulsed power conversion, pulsed linear machine, detection and control, high speed high overload guidance. The development status and applications in the field of military platform and weapons, civil and aerospace are reviewed. Meanwhile, the current challenges and countermeasures are pointed out, and the future development trend are proposed, such as cable-free electronic system, high performance materials composite and intelligent sensing control of the whole system, so as to provide a reference for subsequent research of EML technology. EML technology is another human progress in the use of energy, will become the inevitable trend of future launch methods, will have a profound impact on military, civilian, space and other fields.
Ma Weiming,Lu Junyong. Research Progress and Challenges of Electromagnetic Launch Technology[J]. Transactions of China Electrotechnical Society, 2023, 38(15): 3943-3959.
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