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Energy Models in the Loop
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DOI：10.1016/j.procs.2018.04.154.png)
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Abstract
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For transiently powered systems a reliable power management is essential. Power management methods in software allow for run-time decisions about the utilization of system resources based on energy models, performance counters and sensor readings. However, finding precise energy models for peripheral devices can become a tedious and challenging task, as they are subject to hardware/software interactions and complex hardware behavior, often with unknown energy characteristics. In this paper, we tackle these problems for a broad set of cases by creating an automated measurement loop for deriving precise energy costs of driver function calls and their parameters. This becomes possible by using an automata-based modeling scheme, which can easily be implemented into the system software. (C) 2018 The Authors. Published by Elsevier B.V.
Keywords:
dynamic power management
transiently powered systems
energy neutral systems
adaptive systems
energy
energy models
energy harvesting
battery free
energy measurement
automated measurements
peripheral energy consumption
internet of things
industry 4.0
ultra low power
energy transparency
energy awareness
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