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Year: 2010, Volume: 10, Issue: 4
... FRACTAL ANALYSES OF The dependences log J (δ) log d 1 are approximated PHASE MAPS using the least-squares method into the curves V (η), To estimate δ (m n) distributions, we calculated the set straight parts of which are used to determine the slope of statistical moments of the 1-st to 4-th ...
Year: 2010, Volume: 10, Issue: 4
... , the sampling period of the control motor controls the torque by the mean of the speed of the system is decoupled by the switching period of the inverter and estimated stator flux. In the same time, the amplitude of the a moderate performance real time control system can be used. stator flux must be maintained as ...
Year: 2010, Volume: 10, Issue: 4
... for presented the output PSNRs obtained with the best mother each wavelet coefficient. To estimate the noise variance wavelets from the Dau family. These functions are indexed from ... kth coefficient is number in the family. Finally, on the last column are estimated using neighboring coefficients in the region N(k ), highlighted the output ...
Year: 2010, Volume: 10, Issue: 4
... ]. However, most of the Main idea behind the NFO concept is usage of reference proposed scheme are calculation intensive and memory flux vector, rather than its estimated value. NFO concept can demanding, and can't be implemented in a low cost drive. be explained using equivalent scheme of induction motor, Low cost drive ...
Year: 2010, Volume: 10, Issue: 4
... is that linear Fig. 1. Wind speed data time-plot predictive filtering tries to estimate future values of the input signal on the basis of past signals. Generally ... samples or target outputs can attenuation through the stop band, less ripple be optimally estimated through an autoregressive process amount and variations in the pass band and finally using ...
Year: 2010, Volume: 10, Issue: 4
... and R is a bit rate. quantizer is adapted in response to a short-term estimate of The voiced and unvoiced speech signals can be classified the input signal standard ... voiced speech are highly correlated, with divide the input to the quantizer by the estimated gain. correlation coefficient close to one [15]. On the other ...
Year: 2010, Volume: 10, Issue: 4
... ï‚´ fitness (2) j (7) length. However, in practice, a path is feasible if it meet several conditions, such as safety, estimated needed time for By minimizing the overall fitness function regarding the navigation, energy consumption, etc. assigned weights of each criterion, a suitable path is A ...
Year: 2010, Volume: 10, Issue: 4
... to detect surrounding technique are required. This work uses infrared radiation for obstacles and estimate obstacle distance. transmission of swarm robots messages. Infrared transmission methods such as ... . In this work, and estimate the obstacle distance [19]. AMiR estimates infrared is used to implement a reliable local communication obstacle distance using reflected IR ...
349. End-User Recommendations on LOGOMON - a Computer Based Speech Therapy System for Romanian Language
Year: 2010, Volume: 10, Issue: 4
... appreciate the efficiency of CBST;  53% consider that optimum ratio between PC and logopaed in assisted therapy is 30%/70%;  88% estimate a good relation between CBST and children;  80% would utilize a CBST for their own children. The four most mentioned advantages and disadvantage (open ...
Year: 2010, Volume: 10, Issue: 4
... - Takahashi Method VPWM achieves the lowest value of torque ripple. This (ch: Ψ1β= f(Ψ1α), 0,2 Wb/d) estimated minimum value confirms advantages of this method based on accurate approximation of the vector g. VI. CONCLUSION Properties of different direct torque control methods for induction motors ...
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