Abstract
Energy management is a central problem in real-time systems design, in particular for embedded wireless devices such as sensor devices. In our work, we aim at the improvement of real-time operating systems that are powered by renewable energy source (solar energy, for example). The objective of this work is to develop software components for the design of real-time operating systems. We provide an on-line scheduling scheme, named Earliest Deadline with energy guarantee (EDeg), in order to address the limitations in energy harvesting systems. We also integrate EDeg scheduling algorithm into CLEOPATRE open-source component library, a patch to Linux/RTAI and evaluate the scheduling overheads of EDeg observed under Linux/RTAI.
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