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Event-Based Communication and Finite-Time Consensus Control of Mobile Sensor Networks for Environmental Monitoring.

Yu Hu1, Qiang Lu2, Yanzhu Hu3

  • 1School of Automation, Beijing University of Posts and Telecommunications, Beijing 100876, China. hu_yu@bupt.edu.cn.

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|August 8, 2018
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Summary

This study introduces an efficient cooperative control scheme for mobile sensor networks, saving communication bandwidth with an event-based system. This approach enhances environmental monitoring by enabling networks to accurately map attribute distributions.

Keywords:
consensus controlevent-based communicationfinite-time stabilitymobile sensor networks

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Area of Science:

  • Environmental Science
  • Robotics
  • Network Engineering

Background:

  • Environmental monitoring relies on sensor networks to collect attribute data.
  • Cooperative control is crucial for efficient data collection and real-time analysis.
  • Existing methods often face challenges with communication bandwidth and real-time updates.

Purpose of the Study:

  • To design a cooperative control scheme for mobile sensor networks for environmental monitoring.
  • To improve communication efficiency and reduce data transmission overhead.
  • To enable accurate mapping of environmental attributes like temperature, salinity, and pH.

Main Methods:

  • An event-based communication rule to conserve bandwidth.
  • A radial basis function network for environment modeling and updates.
  • A finite-time consensus control approach for motion control.

Main Results:

  • Significant savings in communication bandwidth achieved through event-based communication.
  • Accurate modeling of environmental attribute distributions in the region of interest.
  • Efficient and rapid adjustments in sensor node movement directions.

Conclusions:

  • The proposed cooperative control scheme effectively enhances environmental monitoring capabilities.
  • The event-based communication and finite-time consensus control lead to improved efficiency and reduced updates.
  • The scheme demonstrates robustness, even in directed wireless communication scenarios.