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To solve the problems of complex operation and poor real-time in the traditional SVPWM control algorithm, a novel SVPWM equivalent algorithm based on carrier modulation for five-phase inverter is proposed. Coming from the idea of SPWM symmetrical and regular sampling in which the modulated wave compares with the carrier, the inverter switch triggering time can be directly calculated by using the instantaneous...
It is a frequently encountered problem to calculate the area of target region in image processing. Based on an improved algorithm of contour extracting, a method for calculating the area of target region was advanced. First, the contour is extracted from the binary image, while note the location and type information of the contour points. Next, the area of target region is calculated by weighting...
Clustering analysis is a common unsupervised anomaly detection method, and often used in Intrusion Detection System (IDS), which is an important component in the network security. The single cluster algorithm is difficult to get the great effective detection, and then a new cluster algorithm based on evidence accumulation is born. The IDS with clustering ensemble has a low false positive rate and...
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