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Optimized Thermal-Aware Job Scheduling and Control of Data Centers

Van Damme, T., De Persis, C. & Tesi, P., Mar-2019, In : IEEE Transactions on Control Systems Technology. 27, 2, p. 760-771 12 p.

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DOI

Analyzing data centers with thermal-aware optimization techniques is a viable approach to reduce energy consumption of data centers. By taking into account thermal consequences of job placements among the servers of a data center, it is possible to reduce the amount of cooling necessary to keep the servers below a given safe temperature threshold. We set up an optimization problem to analyze and characterize the optimal set points for the workload distribution and the supply temperature of the cooling equipment. Furthermore, under mild assumptions, we design and analyze controllers that regulate the system to the optimal state without knowledge of the current total workload to be handled by the data center. The response of our controller is validated by simulations and convergence to the optimal set points is achieved under varying workload conditions.

Original languageEnglish
Pages (from-to)760-771
Number of pages12
JournalIEEE Transactions on Control Systems Technology
Volume27
Issue number2
Publication statusPublished - Mar-2019

    Keywords

  • Control of constrained systems, cyber-physical systems, Karush-Kuhn-Tucker conditions, Lyapunov methods, optimization and control of data centers, ENERGY-EFFICIENT, MANAGEMENT

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