Hybrid fuel cell and battery systems are currently among the most promising options for increasing the flight autonomy of unmanned aircraft systems. The ratio between the size of the battery and the fuel cell is a delicate issue in power system design. Both devices are necessary; the battery, with a quick response, to respond to demand peaks, and the fuel cell, with a slow dynamic response, but greater energy density, to increase its autonomy. One of the most important tasks in designing the hybrid system is selecting the appropriate size of each component so that it can respond to peak demands, extend its autonomy as far as possible and reduce its weight.

中文翻译：

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为无人机系统提供动力的混合燃料电池和电池系统的设计方法和仿真分析

混合燃料电池和电池系统目前是提高无人机系统飞行自主性最有前途的选择之一。电池和燃料电池的尺寸比例是电力系统设计中的一个棘手问题。两种设备都是必需的；电池的响应速度较快，可应对需求峰值；燃料电池的动态响应较慢，但能量密度较高，可提高其自主性。设计混合动力系统最重要的任务之一是选择每个组件的适当尺寸，使其能够响应峰值需求、尽可能扩展其自主性并减轻其重量。