A Power- and Performance-Aware Software Framework for Control System Applications

Michael Giardino

doi:10.1109/TC.2020.2978468

A Power- and Performance-Aware Software Framework for Control System Applications

2020-10-01

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DOI：10.1109/TC.2020.2978468

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This article describes the development of a software architectural framework for implementing compute-aware control systems, where the term compute-aware describes controllers that can modify existing low-level computing platform power managers in response to the needs of the physical system controller. This level of interaction means that high-level decisions can be made as to when to operate the computing platform in a power-savings mode or a high-performance mode in response to situation awareness of the physical system. The framework is demonstrated experimentally on a mobile robot platform. In this example, a situation-aware governor is developed that adjusts the speed of the processor based on the physical performance of the robot as it traverses a path through obstacles. The results show that the situation-aware governor results in overall power savings of up to 38.9 percent with 1.3 percent degradation in performance compared to the static high-power strategy.

Keywords:

Control systems

Hardware

Operating systems

Power system management

Mobile robots

Energy-aware systems

power management

realtime systems and embedded systems

reusable software

quality-ofservice framework

A Power- and Performance-Aware Software Framework for Control System Applications

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