A Comprehensive Approach to Power Management in Embedded Systems

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Executive Summary

Power management is addressed in the context of embedded systems from energy-aware design to energy-efficient implementation. A set of mechanisms specifically conceived for this scenario is proposed, including a power management API defined at the level of user-visible system components, the infrastructure necessary to implement that API (namely, battery monitoring, accounting, autosuspend, and autoresume), an energy-event propagation mechanism based on Petri nets and implemented with aspect-oriented programming techniques, and an autonomous power manager build upon the proposed API and infrastructure.

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