820 research outputs found
Global -decay study based on the mass table of the relativistic continuum Hartree-Bogoliubov theory
The -decay energies () are systematically investigated with
the nuclear masses for isotopes obtained by the
relativistic continuum Hartree-Bogoliubov (RCHB) theory with the covariant
density functional PC-PK1, and compared with available experimental values. It
is found that the -decay energies deduced from the RCHB results present
similar pattern as those from available experiments. Owing to the large
predicted values ( 4 MeV), many undiscovered heavy nuclei in
the proton-rich side and super-heavy nuclei may have large possibilities for
-decay. The influence of nuclear shell structure on -decay
energies is also analysed.Comment: 7 pages, 4 figures. arXiv admin note: text overlap with
arXiv:1309.3987 by other author
A Real-Time Simulator of a Photovoltaic Module
In the development and performance test of maximum power point tracker and converter, it is hard to guarantee PV module output due to the solar insolation and temperature. In this poster, a real-time simulator of a PV module is developed with the following functions: -Calculate the solar position -Obtain real-time weather conditions through Yahoo! Weather -Detect and measure the external load -Generate electric outpu
Digital Controller Design and Implementation on a Buck-Boost Converter for Photovoltaic Systems
Photovoltaic systems are widely used to convert solar energy to electricity. The output of the PV system is strongly affected by the weather. In order to maintain the stability of the power, rechargeable battery is necessary to store the electricity temporarily. The objective, in this poster, is to make the output voltage of PV (solar panel) constant to connect its rechargeable battery 12v DC. In details, MATLAB- Simulink is used to simulate the power stage (Buck- Boost converter) and closed loop of feedback controller. Also, the Arduino Uno is used to implement and test PID (proportional, integral, derivative) controller. Results from MATLAB simulation and experiments will be presented
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