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The compound active-clamp zero-voltage switching three-phase power factor correction (PFC) converter is used as the first stage converter of the heating power supply in the monocrystalline silicon growth furnace to achieve high efficiency and high power factor. Parameter uncertainty and variation are the main problems for the controller design of the converter. The conventional methods, including...
Hybrid modeling method provides a natural way to model the power converter, it describes the behavior of the converter more accurately in sense of no approximation. The switching control method based on the hybrid model can realize the stable regulation of the output voltage. However, the switching controller designed based on the common Lyapunov function (CLF) would lead to steady state error, when...
The compound active-clamp zero-voltage switching (CAC-ZVS) three-phase power factor correction (PFC) converter is a kind of improved topology converter used for high efficiency and high power factor applications. The load of the converter varies with the working condition. The conventional control methods cannot adapt to such variation and lead to the degraded performance. To solve this problem, we...
Based on the investigation to 59 residential buildings in China, this study establishes the prediction model of annual energy consumption of residential buidlings using four different modeling methods such as support vector machine (SVM), traditional back propagation neural network (BPNN), radial basis function neural network (RBFNN) and general regression neural network (GRNN). The simulation results...
Selectin/ligand interactions mediate the tethering and rolling processes of blood cells on vascular surfaces. It has been demonstrated that flow is required during this adhesion process. But the molecular mechanism, e.g. how the shear loading from the hydrodynamic environment of the circulation influences the rupture of selectin/ligand complex, is still unclear. In this study, we simulated the dissociation...
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