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Variable structure control of switched systems based on Lyapunov-Metzler-SPR systems
(2008-09-24)
This paper presents two Variable Structure Controllers (VSC) for continuous-time switched plants. It is assumed that the state vector is available for feedback. The proposed control system provides a switching rule and ...
Network node with wireless and wired interfaces: Nios II processor and uClinux to development of a NCAP embedded (IEEE 1451.1) with two interfaces, wireless (IEEE 1451.5) and wired (IEEE p1451.2)
(2011-08-25)
This paper presents a NCAP embedded on DE2 kit with Nios II processor and uClinux to development of a network gateway with two interfaces, wireless (ZigBee) and wired (RS232) based on IEEE 1451. Both the communications, ...
A fast electric load forecasting using neural networks
(2000-12-01)
The objective of this work is the development of a methodology for electric load forecasting based on a neural network. Here, it is used Backpropagation algorithm with an adaptive process based on fuzzy logic. This methodology ...
Stochastic analysis of hosting capacity in low-voltage networks with PV-plus-storage systems
(2020-09-28)
The reduction of residential-scale battery energy storage (BES) systems prices and the increase in electricity prices motivate consumers to update their photovoltaic (PV) systems toward PV-plus-storage systems. In this ...
Neural network approach for surface roughness prediction in surface grinding
(2007-12-01)
Several systems are currently tested in order to obtain a feasible and safe method for automation and control of grinding process. This work aims to predict the surface roughness of the parts of SAE 1020 steel ground in a ...
Voltage regulator modeling for the three-phase power flow in distribution networks
(2008-12-01)
In this paper a three-phase power flow for electrical distribution systems considering different models of voltage regulators is presented. A voltage regulator (VR) is an equipment that maintains the voltage level in a ...
Evaluation of Aperiodic Control for Energy Saving in Wireless Networked Control Systems
(Ieee, 2016-01-01)
A recent trend has been on the use of wireless networks in network control systems (NCS). One of the main challenges related to wireless networked control systems (WNCS) concerns the energy efficiency of the devices. As ...
New contributions to the determination of resonance frequencies of rectangular microstrip antennas by neural networks
(2008-12-01)
This paper uses artificial neural networks (ANN) to compute the resonance frequencies of rectangular microstrip antennas (MSA), used in mobile communications. Perceptron Multi-layers (PML) networks were used, with the ...
Wireless sensor networks Zigbee applied on sewage treatment station
(2012-09-10)
The good efficiency in a sewage treatment plant (WWTP) is a great importance to the environment. The management of electromechanical equipment installed in these stations is a major challenge due to the fact that they are ...
Optimal charging of electric vehicles considering constraints of the medium voltage distribution network
(2013-08-26)
The scope of this work is to optimize the charging of electric vehicles (EVs) in a controlled environment. The method uses a linear optimization technique, which determines the electrical power that will be delivered to ...