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Online Scheduling for Electricity Cost in Smart Grid

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Combinatorial Optimization and Applications

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 9486))

Abstract

This paper studies an online scheduling problem in the smart grid, which is arised in demand response management under the scenario with real-time communication between the grid operator and consumers. Consumers send the power requests online over-list. The request is released with a limited set of timeslots. Only one of the timeslots in the set can this request be served by the operator. In a timeslot, the electricity cost consumed to serve the requests is a quadratic function of the load in it. Our aim is to find a best possible online schedule which generates the minimal total electricity cost. In this paper, we propose a greedy algorithm of this problem which is 2-competitive. Besides, we prove our algorithm is optimal.

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Acknowledgements

This work was partially supported by the National Natural Science Foundation of China under Grants 71172189, 71071123 and 61221063, Program for Changjiang Scholars and Innovative Research Team in University (No. IRT1173), New Century Excellent Talents in University (NCET-12-0824), and the Fundamental Research Funds for the Central Universities.

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Correspondence to Xin Feng .

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Feng, X., Xu, Y., Zheng, F. (2015). Online Scheduling for Electricity Cost in Smart Grid. In: Lu, Z., Kim, D., Wu, W., Li, W., Du, DZ. (eds) Combinatorial Optimization and Applications. Lecture Notes in Computer Science(), vol 9486. Springer, Cham. https://doi.org/10.1007/978-3-319-26626-8_58

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  • DOI: https://doi.org/10.1007/978-3-319-26626-8_58

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-26625-1

  • Online ISBN: 978-3-319-26626-8

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