Development and flight test of a manned electric propulsion lightweight airplane

Hyun-gi Kim, Sungchan Kim
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Abstract

Electrically powered airplanes can cope with global warming by reducing the use of fossil fuels and reduce airplane costs in the long run through the efficient use of energy. For this reason, advanced aviation countries such as the United States and several countries in the European Union are leading the development of innovative technologies to realize a fully electric airplane in the future. Currently, research and development efforts are underway domestically to convert existing two-seater airplanes into electric-powered airplanes. In this study, the KLA-100X, which was developed by converting the existing two-seat lightweight sport airplane KLA-100 into an electric propulsion airplane, was introduced. In this text, the main specifications, design characteristics, and performance of KLA-100X are examined. In addition, the performance of the major components of the propulsion system, in this case the propulsion motor, inverter, and battery developed for application to KLA-100X are assessed, and the control system, additionally altered according to electric propulsion modification, is explained. Finally, the applicability of the developed major components to an electric propulsion airplane is confirmed by conducting ground and flight tests on the KLA-100X and presenting the results. In the future, the expansion of research aimed at improving the performance of current electric propulsion airplanes can be reviewed through the development of a dedicated platform for an electric propulsion airplane.
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载人电力推进轻型飞机的开发和飞行试验
从长远来看,电动飞机可以通过减少化石燃料的使用来应对全球变暖,并通过有效利用能源来降低飞机成本。因此,美国和欧盟一些国家等航空业发达国家正在引领创新技术的发展,以在未来实现全电动飞机。目前,国内正在努力研发将现有双座飞机改装成电动飞机。本研究介绍了将现有双座轻型运动飞机 KLA-100 改装为电力推进飞机而研制的 KLA-100X。本文对 KLA-100X 的主要规格、设计特点和性能进行了研究。此外,还评估了推进系统主要组件的性能,这里指的是为 KLA-100X 研发的推进电机、逆变器和电池。最后,通过在 KLA-100X 上进行地面和飞行测试,确认了所开发的主要组件在电力推进飞机上的适用性,并介绍了测试结果。今后,可通过开发电力推进飞机的专用平台来审查旨在提高当前电力推进飞机性能的研究扩展情况。
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