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Dynamic Voltage and Frequency Scaling (DVFS) is a very efficient way to manage performance/power trade-off in embedded systems. It consists in switching between low and high voltage-frequency operating points according to the required processing performance. However, with novel technologies such as UTBB FD-SOI, circuits can be designed to work on very wide frequency ranges. In this case, substantial...
During the last decade, Dynamic Voltage and Frequency Scaling (DVFS) techniques have been widely proposed to improve integrated circuit power efficiency. In the present work, an optimal control is proposed to jointly control the voltage and frequency transient periods of both the supply voltage and clock frequency actuators. This control law is based on a multivariable optimal controller for trajectory...
The emerging SOI technologies provide an increased body bias range compared to traditional bulk technologies, opening new opportunities. From the power management perspective, a new degree of freedom is added to the supply voltage and clock frequency variation, increasing the complexity of the power optimization problem. In this paper, a method is proposed to manage the power consumed in an FD-SOI...
Power management is a hot-topic in complex System-on-Chip (SoC) designs. In the context of advanced technologies, Dynamic Voltage-Frequency Scaling (DVFS) techniques are widely proposed to improve efficiency. Nowadays, these mechanisms are composed of independent actuators controlling the applied voltage and clock frequency. A predefined sequence has to be used to switch from one state to another...
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