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基于正交試驗的叉指電極式覆冰監測傳感器優化設計

來源：電工電氣發布時間：2025-01-24 09:24瀏覽次數：420

基于正交試驗的叉指電極式覆冰監測傳感器優化設計

彭賽，譚愛國，王海文，王龍，廖紅華，鐘建偉，楊勇超

(湖北民族大學智能科學與工程學院，湖北恩施 445000)

摘要：為優化用于監測光伏板覆冰厚度的叉指電極式傳感器結構參數，增大傳感器覆冰監測性能指標，提出了一種考慮多因素共同作用的正交試驗設計方法。通過 comsol 有限元仿真軟件建立了一種處于覆冰狀態的 3D 叉指電極模型，并使用三維有限元法，對叉指電極的金屬化因子、叉指間距、叉指長度和叉指對數進行單因素仿真分析和多因素作用正交試驗。選取上述四個參數為優化變量，以電極電容值、靈敏度和最大探測深度作為性能評判指標，得到了四種結構參數對電極性能影響主次關系以及電極結構參數最佳正交優化組合，并將電極結構參數優化前后進行覆冰性能對比。結果表明，電極最佳參數組合為電極金屬化因子0.6、叉指間距0.3 mm、叉指對數12 對、叉指長度80 mm，電極電容值增加87.25%、電極靈敏度增加98.6%、電極探測深度增加2.3%、電極尺寸減少24.7%。該方法能夠有效提升叉指電極在覆冰監測中的性能。

關鍵詞： 叉指電極；正交試驗；覆冰監測；傳感器結構參數

中圖分類號：TP212 文獻標識碼：A 文章編號：1007-3175(2025)01-0019-07

Optimization Design of Interdigitated Electrode Ice Monitoring

Sensor Based on Orthogonal Test

PENG Sai, TAN Ai-guo, WANG Hai-wen, WANG Long, LIAO Hong-hua, ZHONG Jian-wei, YANG Yong-chao

（College of Intelligent Systems Science and Engineering, Hubei Minzu University, Enshi 445000, China）

Abstract: In order to optimize the structural parameters of the interdigitated electrode sensor used for monitoring the thickness of photovoltaic panel ice cover and to increase the performance index of the sensor for ice cover monitoring, an orthogonal experimental design method considering the joint effect of multiple factors is proposed. A 3D model of the interdigitated electrode in an ice-covered state was established by comsol finite element simulation software, and one-factor simulation analysis and multifactor effect orthogonal tests were performed on the metallization factor, interdigital spacing, interdigital length and interdigital logarithm of the interdigital electrode using the 3D finite element method. The above four parameters were selected as the optimization variables, and the electrode capacitance value, sensitivity and maximum detection depth were used as the performance evaluation indexes, so that the primary-secondary relationship of the four structural parameters on the electrode performance as well as the best orthogonal optimization combination of the electrode structural parameters were obtained, and the electrode structural parameters before and after the optimization of the ice-covering performance were compared.The results showed that the optimal combination of electrode parameters was electrode metallization factor 0.6, distance 0.3 mm, number of interdigitated pairs 12 pairs, interdigital length 80 mm, electrode capacitance increased by 87.25%, electrode sensitivity increased by 98.6%,electrode detection depth increased by 2.3%, and electrode size decreased by 24.7%. This method can effectively improve the performance of interdigitated electrodes in icing monitoring.

Key words: interdigitated electrode; orthogonal test; ice monitoring; sensor structural parameter

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基于正交試驗的叉指電極式覆冰監測傳感器優化設計