404 results found.
Year: 2009, Volume: 9, Issue: 1
... the spatial information. The PWM reference voltage is calculated with It is possible to estimate the rotor speed, rotor position, DSP- ADMC401, from Analog Device ... rotor speed measurement, pulse width modulated inverters, Fast Fourier transforms can also be estimated by utilizing slot harmonics or eccentricity harmonics. I. INTRODUCTION The rotor slot ...
Terms matched: 2 - Score: 21 - 642k
Year: 2009, Volume: 9, Issue: 1
... power of the- accounting for a 2-quadrant drive, to save more energy motor is considered as reference. The power of the motor from battery. may be estimated as: Of course, ideal electric bike will be obtained when P= 1200*(x+ 0.05)*y [W ], (1 ...
Terms matched: 1 - Score: 3 - 884k
Year: 2009, Volume: 9, Issue: 1
... not network, busses voltage level, and power losses. Therefore, it is possible, the main role of the power network is to transport very important to estimate first of all the load profiles of buses, the demanded energy to consumers. Therefore, it is very using available data (measurements effectuated in distribution important ...
Terms matched: 1 - Score: 3 - 489k
Year: 2009, Volume: 9, Issue: 1
... on polarization of the current is along the anisotropy axis (p= this work was given to the International Conference on ex), while β is constant, estimated to be smaller than 10-2. Materials for Electrical Engineering, Bucharest, June 16-18, The assumption of constant β is reasonable for small values 2008. of ...
Terms matched: 1 - Score: 3 - 766k
Year: 2008, Volume: 8, Issue: 2
... . II. THEORETICAL APPROACH d Using the RSS values, we are able to estimate the location P(d)= X σ+ P0 10η p log ... to unpredictable multipath effects, an accurate The location of the blindfolded node can be estimated ranging in real indoor environments is often very difficult. Digital Object Identifier 10.4316 ...
Terms matched: 2 - Score: 16 - 534k
Year: 2008, Volume: 8, Issue: 2
... , the error at each time step; they compute the local error, where the vector u gives the input signals to the system, y which is the estimated error of the computed state values. If gives the vector of output signals from the system and the the local error is greater than the acceptable error for ...
Terms matched: 1 - Score: 3 - 714k
Year: 2009, Volume: 8, Issue: 2
... analogy with a conventional capacitor (see Figure 1), Helmoltz proposed already in 1853 a model to Figure 2. Schematic of an electrochemical double-layer capacitor (adapted estimate the double-layer capacitance: from [7 ]). εA C double layer= (2) 4πδ where C is the double-layer capacitance, A is the ...
Terms matched: 1 - Score: 3 - 1,096k
Year: 2008, Volume: 8, Issue: 2
... and his an extensible toolkit for around-the-table interaction. In Proceedings direction of movement. Using a fuzzy algorithm we could of CHI '04, ACM Press, determine and estimate their future locations in accordance [7] Tandler, P., Prante, T., M uller-Tomfelde, C., Streitz, N. and ...
Terms matched: 1 - Score: 3 - 1,400k
Year: 2008, Volume: 8, Issue: 1
... While the regression analysis method is supported by • Xi the input variables (i =1 ,2 ,… ,p) i statistical theories as producing good estimates according to • ε the random error term. certain statistical properties, for instance, being the best linear unbiased estimator, other approaches are found useful In ...
Terms matched: 1 - Score: 3 - 321k
Year: 2008, Volume: 8, Issue: 1
... expectations of the client in in a quality vector- the total time, the overall reliability, the his needs satisfaction, and the zone of tolerance that falls estimated risk. It can be sum, min, or max, or any other between the desired and adequate service levels. domain dependent function. For a ...
Terms matched: 1 - Score: 3 - 369k