Power Sources for Unmanned Aerial Vehicles: State
To enhance their efficiency and duration, UAVs typically employ a hybrid power system. This system integrates diverse energy sources, such as fuel cells, batteries, solar cells, and...
This paper comprehensively reviews renewable power systems for unmanned aerial vehicles (UAVs), including batteries, fuel cells, solar photovoltaic cells, and hybrid configurations, from historical perspectives to recent advances. The study evaluates these systems regarding energy density, power output, endurance, and integration challenges.
Several reviews reported the use of fuel cells, batteries, and PVs as a power source for UAVs. The present study comprehensively reviews renewable energy systems for UAV propulsion, encompassing batteries, fuel cells, solar PV, and hybrid configurations.
body of literature. Fuel cells have emerged as a promising alternative due to their higher specific energy. Furthermore, numerous existing UAVs employ a hybrid configuration in their power supply, utilizing multiple energy sources such as batt eries, fuel cells, solar cells, and supercap acitors.
Table 1. Different battery specifications,,,,,. Lead-acid batteries are the most widely utilized type in unmanned aircraft systems because of their inexpensive cost and high power-to-weight ratio. The output power might be non-linear, and the load profile heavily influences the lifespan.
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