Induced Voltage Noise Compensation Method Based on CWW + CNN-BiLSTM-Attention

IF 5.9 2区 工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC
Qing Yan;Yezheng Xiao;Qicai Ni;Longgui Zheng;Teng Wang;Xinxin Zhu;Yu Chen;Yanlan Hu
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引用次数: 0

Abstract

Induced voltage noise is a significant source of interference in voltage detection, seriously affecting measurement accuracy and system stability. In the complex electromagnetic environment of the Tokamak system, induced voltage noise can exceed 500 V, posing a great challenge to noise suppression in voltage detection signals. This article presents a two-stage noise compensation approach designed to address the problem. The first stage uses a hardware-based co-wound wire (CWW) primary compensation method, effectively reducing the induced voltage noise from over 500 V to below 10 V. Building on this foundation, the second stage introduces a deep learning model based on CNN-BiLSTM-Attention as the secondary compensation module, which further reduces the residual noise to below 100 mV over a 1-s window. The proposed method was validated through real-time deployment on the Experimental Advanced Superconducting Tokamak (EAST). Experimental results demonstrate that the method not only achieves excellent compensation effect but also preserves the integrity of critical voltage detection signals throughout operation.
基于CWW + CNN-BiLSTM-Attention的感应电压噪声补偿方法
电压噪声是电压检测中的重要干扰源,严重影响测量精度和系统稳定性。在托卡马克系统复杂的电磁环境中,感应电压噪声可超过500v,对电压检测信号的噪声抑制提出了很大的挑战。本文提出了一种两阶段噪声补偿方法来解决这个问题。第一级采用基于硬件的共绕线(CWW)初级补偿方法,有效地将感应电压噪声从500 V以上降低到10 V以下。在此基础上,第二阶段引入了基于CNN-BiLSTM-Attention的深度学习模型作为二次补偿模块,在1-s窗口内进一步将残余噪声降低到100 mV以下。通过在实验先进超导托卡马克(EAST)上的实时部署,验证了该方法的有效性。实验结果表明,该方法不仅取得了良好的补偿效果,而且在整个工作过程中保持了关键电压检测信号的完整性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
IEEE Transactions on Instrumentation and Measurement
IEEE Transactions on Instrumentation and Measurement 工程技术-工程:电子与电气
CiteScore
9.00
自引率
23.20%
发文量
1294
审稿时长
3.9 months
期刊介绍: Papers are sought that address innovative solutions to the development and use of electrical and electronic instruments and equipment to measure, monitor and/or record physical phenomena for the purpose of advancing measurement science, methods, functionality and applications. The scope of these papers may encompass: (1) theory, methodology, and practice of measurement; (2) design, development and evaluation of instrumentation and measurement systems and components used in generating, acquiring, conditioning and processing signals; (3) analysis, representation, display, and preservation of the information obtained from a set of measurements; and (4) scientific and technical support to establishment and maintenance of technical standards in the field of Instrumentation and Measurement.
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