QoS optimization for thermal-aware cyber-physical systems

Authors:
Jain-Yu Ou;Ya-Shu Chen
Affiliations:
National Taiwan University of Science and Technology, Taipei, Taiwan;National Taiwan University of Science and Technology, Taipei, Taiwan
Venue:
Proceedings of the 2011 ACM Symposium on Research in Applied Computation
Year:
2011

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Abstract

The management of Quality of Service (QoS) in cyber-physical systems is a challenging problem due to dynamics of physical components. In this paper, we propose a QoS optimization algorithm cooperating with a feedback control framework, which provides configurability between high system profit and low computational overhead. The proposed algorithm maximizes the system value under the thermal constraint, guarantees task feasibility, and can be extended to any feedback controller. We present a real case study to demonstrate the practicability of the proposed methodology, and perform an extensive series of simulations for comparison using different workloads and management algorithms.