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A gas source localization algorithm based on NLS initial optimization of particle filtering

  • Jianyun Ni
  • Zihao Li
  • Yong Qi
  • Hainan Wang
  • Kim wan Shua
Special Issue
  • 17 Downloads

Abstract

A gas source localization algorithm based on the initial NLS value optimization of particle filter (PF-NLS) is proposed to solve the problem that the positioning accuracy of NLS algorithm is reduced due to rough initial value estimation and improper weight allocation of nodes. Firstly, the state space model of the system is established by using the gas turbulence diffusion model, the particle weight is updated by constructing the likelihood function, and then the initial position and initial source strength of the gas source are obtained by using the NLS algorithm. Finally, the true information of the gas source is accurately estimated by using the PF-NLS algorithm. The simulation results show that compared with NLS, the algorithm has higher positioning accuracy, further improves the convergence speed of the algorithm by optimizing the initial value, and can be well applied to practical scenarios.

Keywords

Particle filtering Gas source localization NLS Initial value Gas turbulence diffusion model Node weight 

Notes

Acknowledgements

This work is supported by SINOPEC Tianjin Company, Application Foundation and Frontier Technology Research Program (Youth Project) (Grant 15JCQNJC42700), and the Development of Science and Technology Foundation of the Higher Education Institutions of Tianjin (Grant 20120705).

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Jianyun Ni
    • 1
    • 2
  • Zihao Li
    • 1
    • 2
  • Yong Qi
    • 1
    • 2
  • Hainan Wang
    • 1
    • 2
  • Kim wan Shua
    • 3
  1. 1.Tianjin Key Laboratory for Control Theory and Applications in Complicated SystemTianjin University of TechnologyTianjinChina
  2. 2.School of Electrical and Electronic EngineeringTianjin University of TechnologyTianjinChina
  3. 3.Faculty of Electrical EngineeringBialystok Technical UniversityBiałystokPoland

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