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Due to the increasing usage of cloud computing applications, it is important to minimize energy cost consumed by a data center, and simultaneously, to improve quality of service via data center management. One promising approach is to switch some servers in a data center to the idle mode for saving energy while to keep a suitable number of servers in the active mode for providing timely service. In...
This paper presents a dual-buck full-bridge inverter (DBFBI) with the sinusoidal pulse width modulation (SPWM) and single current sensor. Shoot-through problem does not exist. All the power devices and filter inductors operate at each half line cycle, thus the efficiency can be increased. Only one switch works at high frequency when the reference current and the output voltage have the same polarity,...
This paper presents a coupled inductor dual-buck full-bridge inverter (CI DBFBI) to solve the shoot-through problem of the conventional inverter and increase the input-voltage utilization rate of the dual-buck half-bridge inverter (DBHBI). Hysteresis current control is used in the CI DBFBI. All switches and diodes operate at each half line cycle, and the freewheeling current flows through the independent...
Clock gating technology can reduce the consumption of clock signals' switching power of flip-flops. The clock gate enable functions can be identified by Boolean analysis of the logic inputs for all flip flops. However, the enable functions of clock gate can be further simplified, and the average number of flip flops driven by enable functions can be improved. In this way, the circuit area can be reduced;...
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