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Since the outlet pressure of generator becomes a significant variable in the process of controlling to influence the efficiency of secondary loop directly, the PID control system of fuzzy wavelet network (FWN) is proposed to maintain the stabilization of pressure in this paper. By establishing FWN with MIMO structure, the network outputs provide parameters for enhance PID controller online. As the...
Boundary effect is one of the most concernful problems in analysis of geomagnetic anomaly field data, it introduces great error in analytical result and results in serious thread in engineering practice. This problem reflects on many aspects, such as reference map preparation, multi-resolution decomposition, etc. Improved bi-dimensional empirical mode decomposition (BEMD) is firstly proposed and used...
According to underwater terrain characteristic, the multi-index synthetic evaluation theory is used for calculating matching area of an underwater terrain-aided navigation system in this paper. Considering the terrain elevation standard deviation, roughness, terrain correlation coefficient, topographic information entropy and other crucial terrain characteristic parameters on the effect of navigation...
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