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. In view of the current brushless DC motor the electromagnetic torque ripple and the detection method, control algorithm complex, high cost of defects, this paper puts forward a new brushless DC motor torque ripple suppression method, by means of the method of controlling brushless DC motor conduction phase current track the given current to inhibit motor torque ripple, this paper discusses in detail...
A kind of algorithm is proposed in this paper to improve the searching efficiency, which combinates Rough Set Theory (RST) and Genetic Algorithm (GA) for 0-1 knapsack problem. The study is to utilize the knowledge discovery function of RST to find the important genes in GA. Then directed evolution is carried out according to the important genes. Finally, an example of four knapsack problem is used...
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