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Control and Stability Analysis for the Vdd-hopping Mechanism

Abstract : In low-power electronics, achieving a high energy efficiency has great relevance. Nowadays, Global Asynchronous Local Synchronous Systems enables to use a Local Dynamic Voltage Scaling architecture. This technique allows to reach a high energy efficiency. Moreover, Local Dynamic Voltage Scaling can be implemented using different approaches. One of them is the Vdd-Hopping technique. In this paper, we propose an innovative control approach which aims for minimizing the energy dissipated during the Vdd-Hopping transients. In addition, our control also includes the ability to limit the current peaks during such transients. Stability of the closed-loop system is analyzed. A discrete version of this controller is obtained, which coincides with ENergy-AwaRe Control (ENARC) that is patent pending. And a comparison of this last one with another published is done.
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https://hal.archives-ouvertes.fr/hal-00399972
Contributor : Carolina Albea-Sanchez <>
Submitted on : Thursday, July 2, 2009 - 11:22:52 AM
Last modification on : Wednesday, May 13, 2020 - 4:16:01 PM
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  • HAL Id : hal-00399972, version 2

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Carolina Albea-Sanchez, Carlos Canudas de Wit, Francisco Gordillo. Control and Stability Analysis for the Vdd-hopping Mechanism. IEEE MSC, Conference on Control and Applications, Jul 2009, Saint-Petersburg, Russia. pp.320--325. ⟨hal-00399972v2⟩

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