The characteristics and main features of Nimbus EosXi UAV and Nimbus PLP6 are compared in Table I, in terms of the cruise speed, endurance, and main operational constraints.
However, it should be mentioned that UAVs cannot operate alone in PV module monitoring; they require ad hoc sensors onboard to be used as inspection tools. Therefore, it is suggested to use appropriate cameras to detect differentPVmodule failures in production plants. Another useful feature both for thermal imaging and for visual captures is the tagging of images with GPS data. This helps to localize faulty modules easily in large
areas.