988 results found.
Year: 2009, Volume: 9, Issue: 1
... . SOC multiple antennas at a small node may not be feasible. As (System on Chip) and NOC (Network on Chip) are being solutions to ... 1451.5, channel estimation, wireless sensor networks spectral efficiency of multiple-input-multiple-output (MIMO) systems, recently there has been a great amount of I. INTRODUCTION research on ...
Terms matched: 2 - Score: 62 - 521k
Year: 2009, Volume: 9, Issue: 1
... is important, and it can modify substantially the functioning of the entire ωt electrical system. Thus, this paper analyses and compares the output results of a three-phase ... Electrical and Computer Engineering Volume 9, Number 1, 2009 Pulse width Modulation Command Systems Used for the Optimization of Three Phase Inverters Ovidiu URSARU, Cristian AGHION, ...
Terms matched: 2 - Score: 35 - 766k
Year: 2009, Volume: 9, Issue: 1
... e.g. [5 ]) or without speed estimation. transducer (open loop system e.g. [4] or with speed The stator current slot harmonic can ... For the purpose of speed estimation, in a PWM inverter- model reference adaptive systems fed induction motor drive, a line current is monitored, Digital Object Identifier ...
Terms matched: 2 - Score: 12 - 642k
Year: 2009, Volume: 9, Issue: 1
... economic factors: the gross national product, the means of the automatic meter reading system, are analyzed labor productivity, the economy development in order to get demand ... , "Clustering Techniques in Load Analyse", Proc. of the International Power Systems Conference, If the load profile is analyzed for ungrouped days, we PSC'05 ...
Terms matched: 2 - Score: 10 - 489k
Year: 2009, Volume: 9, Issue: 1
... • Solving process performances of LEV, especially in case of sloped roads. Constant efforts are being made to develop alternative • Result post-processing. types of motor drive systems with equally or almost as good Using high level FEM analysis software, advanced characteristics, but without commutator and brushes studies are facilitated, such as: iron ...
Terms matched: 1 - Score: 3 - 884k
Year: 2008, Volume: 8, Issue: 2
... . for better protection of power systems. Transformers are widely used in the power system and are among the most important and the most expensive equipments. Failure of ... transformer, with two windings for Here is an ongoing need to develop analyses and systems each phase, these matrices are of order 6 as shown in (1 ...
Terms matched: 2 - Score: 71 - 733k
Year: 2008, Volume: 8, Issue: 2
... Advances in Electrical and Computer Engineering Volume 8, Number 2, 2008 Wireless System for Remote Tilt Measurement in Monitoring and Control Applications Daniel MOGA, Radu A ... precise positioning of metallic structures to usage as input sensors for various monitoring and control systems (industrial, medical, agricultural, etc.), the proposed approach ...
Terms matched: 2 - Score: 61 - 831k
Year: 2009, Volume: 9, Issue: 1
... analytical results related to our topic. They have given observations and redefining the coordinate system in y-z us the opportunity to better understand the spin-polarized plane (ey, ... to the following expressions for the determinant and trace of the matrix corresponding linear differential systems: 1 2 det A= (1+ β 2), tr ...
Terms matched: 2 - Score: 29 - 766k
Year: 2008, Volume: 8, Issue: 2
... , Limerick, Ireland, John.Nelson@ul.ie Abstract — This article details an experimental system duplicate elimination. developed to enhance the education and research in the area of ... This research work Recent performances in micro-electro-mechanical developed a controlled web accessible Virtual Lab concept systems technology, wireless communications, and digital for exploring wireless sensor networks. The ...
Terms matched: 2 - Score: 24 - 1,125k
Year: 2008, Volume: 8, Issue: 2
... : Evolutionary Algorithms for After a formal description of the problem, we described Embedded System Design. Kluwer Acadmeic Publisher, 2002. an optimal solution, for that ... (k-Sensor ALGORITM_GA Coverage Problem, see e.g. [2 ]), urban systems (see e. g. Initialise_Random_Population() [25]), ...
Terms matched: 2 - Score: 16 - 908k