基于图像特征提取的低气压介质阻挡放电均匀性表征研究
Study on Uniformity Characterization of Low Pressure Dielectric Barrier Discharge Based on Image Feature Extraction
- 高压电器 2026年62卷第4期 页码：191-198
- 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：
杨昊（1988—），男，博士，副教授，主要从事高电压绝缘技术、输变电设备状态监测与故障诊断、气体放电与放电等离子体技术（通信作者）（E-mail：yanghao@xpu.edu.cn）。
陈苗苗（2000—），女，硕士研究生，主要研究方向为气体放电与放电等离子体技术（E-mail：2213505305@qq.com）。
- 基金信息：国家自然科学基金资助项目。Project Supported by National Nature Science Foundation of China.(52007138)
DOI：10.13296/j.1001-1609.hva.2026.04.022
中图分类号：收稿：2025-09-18，
修回：2025-11-30，
纸质出版：2026-04-16
- 稿件说明：
移动端阅览
杨昊, 陈苗苗, 周福升, 等. 基于图像特征提取的低气压介质阻挡放电均匀性表征研究[J]. 高压电器, 2026,62(4):191-198.
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.
杨昊, 陈苗苗, 周福升, 等. 基于图像特征提取的低气压介质阻挡放电均匀性表征研究[J]. 高压电器, 2026,62(4):191-198. DOI： 10.13296/j.1001-1609.hva.2026.04.022.
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.
关键词
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references
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