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In this paper we propose a fine-grain Adaptive Voltage and Frequency Scaling (LAVFS) architecture to optimize energy efficiency in presence of in-die variability. For each System-on-Chip power domain, we use a Dynamic Voltage Scaling technique called ‘Vdd-Hopping’ as efficient as DC/DC power converters but much easier to integrate and control at fine-grain. Unlike previous AVS schemes, the supply...
An accurate model of the elementary accumulation device is fundamental for sizing and controlling the battery pack to be used in electric and hybrid vehicles. Indeed, the implementation of such a model within the Battery Management System makes it possible to evaluate the status and the behavior of the battery pack in every condition and to apply a correct control strategy. This work shows the characterization...
As new functionality is added to the implantable devices, their power requirements also increase. Such power requirements make it hard for keeping such implants operational for long periods by non-rechargeable batteries. This result in a need for frequent surgeries to replace these batteries. Rechargeable batteries can satisfy the long-term power requirements of these new functions. To minimize the...
In deep submicron era, to prevent larger amount of SRAM from more frequently encountered overheating problems and react accordingly for each possible hotspots, multiple ideal run-time temperature sensors must be closely located and response rapidly to secure system reliability while maintaining core frequency. This paper presented a method to extract run-time temperature information from multiple...
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