Study on Uniformity Characterization of Low Pressure Dielectric Barrier Discharge Based on Image Feature Extraction

YANG Hao; CHEN Miaomiao; ZHOU Fusheng; ZHANG Haotian; SUN Fan; HU Wenxiu

doi:10.13296/j.1001-1609.hva.2026.04.022

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Study on Uniformity Characterization of Low Pressure Dielectric Barrier Discharge Based on Image Feature Extraction

Research & Analysis | 更新时间：2026-04-08

- Study on Uniformity Characterization of Low Pressure Dielectric Barrier Discharge Based on Image Feature Extraction
- High Voltage Apparatus Vol. 62, Issue 4, Pages: 191-198(2026)
- 作者机构：
  
  西安工程大学电子信息学院，西安 710048
  西安交通大学电气工程学院，西安 710049
  南方电网科学研究院有限责任公司，广州 510663
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2026.04.022
  CLC：
- Received：18 September 2025，
  
  Revised：2025-11-30，
  
  Published：16 April 2026
- 稿件说明：
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YANG Hao, CHEN Miaomiao, ZHOU Fusheng, et al. Study on Uniformity Characterization of Low Pressure Dielectric Barrier Discharge Based on Image Feature Extraction[J]. High Voltage Apparatus, 2026, 62(4): 191-198.
DOI：

YANG Hao, CHEN Miaomiao, ZHOU Fusheng, et al. Study on Uniformity Characterization of Low Pressure Dielectric Barrier Discharge Based on Image Feature Extraction[J]. High Voltage Apparatus, 2026, 62(4): 191-198. DOI： 10.13296/j.1001-1609.hva.2026.04.022.

摘要

近年来，介质阻挡放电（dielectric barrier discharge，DBD）的均匀放电模式在工业等领域具有较大的应用潜力。通过提取DBD放电图像的特征，提出了周向环差法和径向极差法两种方法对低气压DBD的放电均匀性进行判别，并利用极差值与环差值表征DBD放电均匀程度，给出了不同电压、频率、气压参数条件下DBD放电均匀性的演化规律，验证了周向环差法和径向极差法在评价DBD放电均匀性方面的适用性。结果表明：当周向DBD放电均匀性降低时，放电图像的环差值将显著升高；当径向DBD放电均匀性降低时，放电图像的极差值亦将升高。同时，外施电压和放电频率均与放电强度相关，但对DBD放电均匀性影响较小；气压对DBD放电均匀性影响显著，且随着气压的升高，放电均匀性将呈降低趋势。提出的周向环差法与径向极差法可以实现对DBD放电均匀性的评估，为进一步实现均匀稳定的介质阻挡放电提供依据，对于均匀DBD在材料表面改性等领域应用具有实用性价值。

Abstract

In recent years

the uniform discharge mode of dielectric barrier discharge(DBD)has shown significant application potential in industry and other fields. In this paper such two methods as circumferential ring difference and radial range difference are proposed to distinguish the discharge uniformity of DBD at low pressure by extracting the characteristics of DBD discharge images

the range and ring difference are used to characterize the discharge uniformity of DBD

the evolution of the discharge uniformity of DBD under different voltage

and frequency and pressure parameters is given. The applicability of circumferential ring difference method and radial range method in evaluating the discharge uniformity of DBD is verified. The results show that in case of decrease of the uniformity of discharge in circumferential DBD

the ring difference of discharge image will increase significantly. In case of decreae of the uniformity of radial DBD discharge

the range of discharge image will also increase. At the same time

both the applied voltage and discharge frequency are related to the discharge intensity

but have little effect on the discharge uniformity of DBD. The effect of air pressure on the discharge uniformity of DBD is significant

and the discharge uniformity tends to decrease with the increase of air pressure. The proposed circumferential ring difference method and radial range difference method can achieve the assessment of the discharge uniformity of DBD

provide a basis for further realizing uniform and stable dielectric barrier discharge and have practical value for the application of uniform DBD in the field of material surface modification.

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