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Considering the inaccuracies of the traditional Hidden Markov Model (HHM) in the dynamic processes that are close relatively related before and after characterization, an autoregressive state prediction model based on Hidden Markov with Autoregressive model and the coefficient of AR is proposed, which takes the coefficient of AR as the observations of the continuous HHM. Taking the recognition and...
The method of common spatial patterns (CSP) is often used for feature extraction in the electroencephalogram (EEG)-based brain-computer interface (BCI). However, the CSP method requires a large number of electrodes to produce good results. To improve the CSP classification accuracy with a smaller number of electrodes, we introduce a new method of feature extraction named common spatial patterns with...
A design of PMSM servo system based on TMS320LF2407A DSP and the schematic of servo system are presented in this paper. The paper also presents algorithms for rotor position estimation, and current, speed and position detection. Double-loop vector control simulation model for PMSM servo system is built in MATLAB/SIMULINK and the results show that it has high dynamic and static performance.
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