Power line communications (PLCs) refer to a technology based on the existing electrical wiring to transmit data among the devices connected to the network. The PLC technology is an excellent solution widely studied and analysed by researchers, even in those areas characterized by strict requirements, such as industries. In this paper, a technique based on fuzzy logic, for the dynamic management of the amplitude of the signal emitted by the devices of a power line network, is proposed. The main aim is to manage the amplitude of the transmission signal in order to reduce the noise introduced into the network, and, as a consequence, the power consumption, increasing data transmission quality of network in terms of Quality of Service (QoS). This solution has been implemented into embedded systems based on the ADD1010, a power line System on Chip (SoC), and tested through a real scenario realized in laboratory.
The Unmanned Aerial Vehicles (UAV) are aircrafts with no pilot on board. They can be remote controlled aircraft (e.g. flown by a pilot at a ground control station) or can fly autonomously based on pre-programmed flight plans or more complex dynamic automation systems. UAVs are currently used both in military and civil application. A key element of UAV equipment affecting the mission performance is power source for this reason several approaches can be applied in order to reduce the power consumption. Fuzzy Logic Controllers (FLCs) are becoming increasingly popular in everyday life and their applications can obtain significant benefits in terms of energy management. In this paper a FLC is proposed in order to regulate the motor power of a quadrotor helicopter according to the battery level and to the path to complete. Simulation results reveal that using the proposed approach the battery lifetime is increased by 30% with respect to the use of fixed power.
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