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The reliable operation of motor drive systems has been paid more and more attention, which is regarded as the key factor for various applications. In this paper, under the concept of the reliability prediction metrics and models from component-level to system-level, quantitative reliability assessment of motor drive system can be introduced from four aspects: subsystems of power converter, subsystems...
Based on Gaussian mixture model and background difference, a novel moving object region detection method is presented for static camera surveillance. First of all, the adaptive threshold is used to get background difference image. Secondly, by analyzing the connected domain and setting a threshold, the influence of the noise in the difference image is eliminated and the moving object regions are determined...
Measuring common mode currents on differential microstrip transmission lines is a complicated task, because the common mode current, being the parasitic mode, is usually much weaker than the intended differential current. Hence, the measurement technique has to provide sufficient rejection of the differential mode. The probe described in this paper uses a shielded loop probe combined with a metallic...
Wireless sensor networks, which are energy limited, low hardware configuration and proneness to invalidation, puts a high demand on the positioning algorithm. Therefore the improved multidimensional scaling (IMDS) algorithm is proposed. In IMDS, firstly, local positioning areas (LPA) are established by an adaptive search algorithm. So the centralized multidimensional scaling algorithm is changed into...
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