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A sensorless vector control system of Permanent Magnet Synchronous Motor (PMSM) is designed based on Sliding Mode Observer (SMO) by analyzing the model of PMSM in this paper. Using Kalman Filter in the output of Back Electromotive Force (back EMF), makes the waveform smoothly and accurately. It also makes the model more suitable for high-performance application. Some continuous functions like sat(s),...
A type of optimized neural networks with limited precision weights (LPWNN) is presented in this paper. Such neural networks, which require less memory for storing the weights and less expensive floating point units in order to perform the computations involved, are better suited for embedded systems implementation than the real weight ones. Based on analyzing the learning capability of LPWNN, Quantize...
To address the premature convergence in the searching process of information fashion algorithm (IFA), a hybrid information fashion algorithm based on catastrophic strategy (CHIFA) is proposed in this paper. The new method applies the idea of a cusp catastrophic model and strategy which increases suddenly the threshold value probability and makes use of stochastic orderly logistic sequence to guide...
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