The paper describes a novel method for the detection of damage in carbon composites as used in drone frames. When damage is detected a further novel corrective response is initiated in the quadcopter flight controller to switch from a four-arm control system to a three-arm control system. This is made possible as a symmetrical frame is utilized, which allows for a balanced weight distribution between both the undamaged quadcopter and the fallback tri-copter layout. The resulting work allows for continued flight where this was not previously possible. Further developing work includes improved flight stability with the aid of an underslung load model. This is beneficial to the quadcopter as a damaged arm attached to the main body by the motor wires behaves as an underslung load. The underslung load works are also transferable in a dual master and slave drone system where the master drone transports a smaller slave drone by a tether, which acts as an underslung load.
This paper discusses a systematic approach for the development of a solar powered self-sustainable energy system. In remote locations, self-sustainable energy system configurations are of interest, and may prove more cost effective than a grid connected systems. This paper investigates a typical self-sustainable energy system configuration and performance optimization. The potential benefits of such a system design is investigated using data collected at a specific location and the performance of the system under variable conditions determined. This paper also described an optimal design and implementation of an efficient self-sustainable energy system.
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