Pham Hung Cuong

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Varietal data from 27 crop species from five continents were drawn together to determine overall trends in crop varietal diversity on farm. Measurements of richness, evenness, and divergence showed that considerable crop genetic diversity continues to be maintained on farm, in the form of traditional crop varieties. Major staples had higher richness and(More)
A Kalman filter is applied to estimate the movement of a nacelle. The information of nacelle acceleration and strain gauge installed at the root location of tower is combined in Kalman filtering. A simple model of tower vibration is considered. A scale-down experimental rig simulating a tower and nacelle of wind turbine is constructed to test the(More)
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