An optimization method of electrostatic sensor array based on Kriging surrogate model and improved non-dominated sorting genetic algorithm with elite strategy algorithm

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An optimization method of electrostatic sensor array based on Kriging surrogate model and improved non-dominated sorting genetic algorithm with elite strategy algorithm

Zhong, Zhirong / Jiang, Heng / Zuo, Hongfu

Array-type electrostatic monitoring is gradually becoming an effective tool for aero-engine fault diagnosis. In this paper, we innovatively apply the surrogate optimization method to the optimization of the sensor array structure in order to meet the need of improving the particle information recognition capability of the electrostatic sensor array (ESA). A structure optimization method of ESA based on the Kriging surrogate model and improved NSGA-II algorithm is proposed. In this paper, a finite element simulation model of ESA is established, and the array optimization problem is abstracted as the solution of a mixed-integer optimization problem. This paper reduces the large-scale numerical simulations in the full-variable space with the help of the Kriging surrogate model. In addition, an improved NSGA-II algorithm for mixed-integer optimization is proposed. The simulation experiment verified that the average absolute error of the sensor before and after optimization for the identification of particle position and charge quantity was reduced by 69.88% and 49.68%, respectively. The array structure optimization method proposed in this paper facilitates the acceleration of the design process of electrostatic sensors and provides a scientific design method for their specific design for airborne application.

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Titel :

An optimization method of electrostatic sensor array based on Kriging surrogate model and improved non-dominated sorting genetic algorithm with elite strategy algorithm

Beteiligte:

Zhong, Zhirong (Autor:in) / Jiang, Heng (Autor:in) / Zuo, Hongfu (Autor:in)

Erschienen in:

Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering ; 238 , 2 ; 198-210

Erscheinungsdatum :

2024-02-01

ISSN :

0954-4100 , 2041-3025

DOI :

https://doi.org/10.1177/09544100231219945

Medientyp :

Aufsatz (Zeitschrift)