2015 International Conference on Distributed Computing in Sensor Systems 2015
DOI: 10.1109/dcoss.2015.9
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Optimal Power Management with Guaranteed Minimum Energy Utilization for Solar Energy Harvesting Systems

Abstract: In this work we present the first formal study on optimizing the energy utilization of energy harvesting embedded systems while giving bounds on the minimum energy usage. Furthermore, to deal with the uncertainty inherent to solar energy harvesting we propose to use (i) a finite horizon scheme, and (ii) a non-uniformly scaled energy estimation based on an astronomical model. Under certain realistic assumptions, the finite horizon scheme can provide guarantees on minimum energy utilization, and therefore minimu… Show more

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Cited by 16 publications
(21 citation statements)
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“…The objective is to maximize the minimal energy used from the rechargeable storage u R (t), and among those use functions to choose the one which maximizes the utility U R (0, T ) = 0≤t<T µ(u R (t)). The following has been shown in [27]:…”
Section: A Properties Of the Optimal Solutionmentioning
confidence: 94%
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“…The objective is to maximize the minimal energy used from the rechargeable storage u R (t), and among those use functions to choose the one which maximizes the utility U R (0, T ) = 0≤t<T µ(u R (t)). The following has been shown in [27]:…”
Section: A Properties Of the Optimal Solutionmentioning
confidence: 94%
“…As mentioned before, results are available that construct an optimal energy control algorithm but without considering the presence of a backup battery nor the goal of maximizing the lifetime of the node. In this section, we first restate a result shown in [27]. It provides a first step towards understanding the optimal use of a backup battery.…”
Section: Optimal Clairvoyant Solutionmentioning
confidence: 99%
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“…To illustrate the severe influence of prediction errors, we provide a simple example. In [6,8], a scheduler is proposed that maximizes the minimal energy the application uses and optimizes long-term system utility. The solar harvester is placed in an outdoor environment for two years.…”
mentioning
confidence: 99%