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Optimal Slack Stealing Servicing for Real-Time Energy Harvesting Systems

机译:最佳的松弛窃取维修服务,用于实时能量收集系统

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摘要

We consider the problem of real-time scheduling in uniprocessor devices powered by energy harvesters. In particular, we focus on mixed sets of tasks with time and energy constraints: hard deadline periodic tasks and soft aperiodic tasks without deadlines. We present an optimal aperiodic servicing algorithm that minimizes the response times of aperiodic tasks without compromising the schedulability of hard deadline periodic tasks. The server, called Slack Stealing with energy Preserving (SSP), is designed based on a slack stealing mechanism that profits whenever possible from available spare processing time and energy. We analytically establish the optimality of SSP. Our simulation results validate our theoretical analysis.
机译:我们考虑由能量收割机提供动力的自卸设备设备实时调度问题。特别是,我们专注于有时间和能量限制的混合任务集:难度期限定期任务和柔软的非周期性任务,没有截止日期。我们提出了一种最佳的非周期性维修算法,可以最大限度地减少非周期性任务的响应时间,而不会影响硬期限周期任务任务的调度性。使用能量保存(SSP)的服务器称为松弛窃取(SSP),基于一个松弛的窃取机制,可以从可用的备用处理时间和能量中获得利润。我们分析了解SSP的最优性。我们的仿真结果验证了我们的理论分析。

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