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| Titel: |
Performance-Aware Power Management in Embedded Controllers with Multiple-Voltage Processors |
| Auteur: |
Feng Xia Liping Liu Longhua Ma Youxian Sun Jinxiang Dong |
| Verschenen in: |
Information technology journal |
| Paginering: | Jaargang 7 (2008) nr. 6 pagina's 942-947 |
| Jaar: |
2008 |
| Inhoud: |
The aim of this research is to minimize the energy dissipation of embedded controllers without jeopardizing the Quality of Control (QoC). Taking advantage of the Dynamic Voltage Scaling (DVS) technology, this study develops a performance-aware power management scheme for embedded controllers with processors that allow multiple voltage levels. The periods of control tasks are adapted online with respect to the current QoC, thus facilitating additional energy reduction over standard DVS. To avoid the waste of CPU resources as a result of the discrete voltage levels, a resource reclaiming mechanism is employed to maximize the CPU utilization and also to improve the QoC. Simulations are conducted to evaluate the performance of the proposed scheme. Compared with the optimal standard DVS scheme, the proposed scheme is shown to be able to save remarkably more energy while maintaining comparable QoC. |
| Uitgever: |
Asian Network for Scientific Information (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 25 van 36 gevonden artikelen
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