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Joint Acquisition Time Design and Sensor Association for Wireless Sensor Networks in Microgrids

Author

Listed:
  • Liang Zhong

    (School of Mechanical Engineering and Electronic Information, China University of Geosciences (Wuhan), Wuhan 430074, China)

  • Shizhong Zhang

    (School of Mechanical Engineering and Electronic Information, China University of Geosciences (Wuhan), Wuhan 430074, China)

  • Yidu Zhang

    (Wuhan Institute of Ship Communication, Wuhan 430074, China)

  • Guang Chen

    (School of Mechanical Engineering and Electronic Information, China University of Geosciences (Wuhan), Wuhan 430074, China)

  • Yong Liu

    (School of Mechanical Engineering and Electronic Information, China University of Geosciences (Wuhan), Wuhan 430074, China)

Abstract

Wireless sensor networks are used to monitor the operating status of the microgrids, which can effectively improve the stability of power supplies. The topology control is a critical issue of wireless sensor networks, which affects monitoring data transmission reliability and lifetime of wireless sensor networks. Meanwhile, the data acquisition accuracy of wireless sensor networks has a great impact on the quality of monitoring. Therefore, this paper focuses on improving wireless sensor networks data acquisition satisfaction and energy efficiency. A joint acquisition time design and sensor association optimization algorithm is proposed to prolong the lifetime of wireless sensor networks and enhance the stability of monitoring, which considers the cluster heads selection, data collection satisfaction and sensor association. First, a multi-constrained mixed-integer programming problem, which combines acquisition time design and sensor association, is formulated to maximize data acquisition satisfaction and minimize energy consumption. To solve this problem, we propose an iterative algorithm based on block coordinate descent technology. In each iteration, the acquisition time is obtained by Lagrangian duality. After that, the sensor association is modeled as a 0–1 knapsack problem, and the three different methods are proposed to solve it. Finally, the simulations are provided to demonstrate the efficiency of the algorithm proposed in this paper.

Suggested Citation

  • Liang Zhong & Shizhong Zhang & Yidu Zhang & Guang Chen & Yong Liu, 2021. "Joint Acquisition Time Design and Sensor Association for Wireless Sensor Networks in Microgrids," Energies, MDPI, vol. 14(22), pages 1-18, November.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:22:p:7756-:d:682672
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    References listed on IDEAS

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    1. Ayusee Swain & Surender Reddy Salkuti & Kaliprasanna Swain, 2021. "An Optimized and Decentralized Energy Provision System for Smart Cities," Energies, MDPI, vol. 14(5), pages 1-21, March.
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