基于ARM cortex M4和ADS1298的实时60hz心电信号干扰消除算法的实现

2017 IEEE XXIV International Conference on Electronics, Electrical Engineering and Computing (INTERCON) Pub Date : 2017-08-01 DOI:10.1109/INTERCON.2017.8079725

R. R., Jorge Rendulich Talavera, Enrique A. Soto Mendoza, Nelly M. Dávila, Elvis Supo

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引用次数: 7

摘要

心电图信号的质量是可靠诊断病人的基础。现实情况是，在大多数情况下，心电信号会受到来自几个来源的电磁干扰(EMI)的破坏，主要是电力线。这种类型的干扰可以通过不同的众所周知的方法来减少，如IIR(无限脉冲响应)陷波滤波器和自适应抵消算法。在本研究中，采用60 Hz干扰消除算法对真实心电数据进行处理，并在基于意法半导体STM32F401RE Cortex M4微控制器和德州仪器多通道24位ADS1298 (ADC)的嵌入式系统中实现。该嵌入式算法的性能计算为干扰抑制(百分比)，并从单个ADS1298信道中提取干扰。

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Implementation of a real-time 60 Hz interference cancellation algorithm for ECG signals based on ARM cortex M4 and ADS1298

The quality of electrocardiogram (ECG) signal is fundamental for reliable patient diagnosis. Reality is that ECG signal will be, in most cases, corrupted with electromagnetic interference (EMI) from several sources, mainly power-line. This type of interference can be reduced with different well-known methods like IIR (infinite impulse response) notch filters and adaptive cancelling algorithms. In this work, a 60 Hz interference cancellation algorithm is applied on real ECG data, which is processed in an embedded system built on STMicroelectronics STM32F401RE Cortex M4 microcontroller, and multichannel 24-bit ADS1298 (ADC) from Texas Instruments. The performance of this embedded algorithm is calculated as interference suppression (percentage) and extracted interference from a single ADS1298 channel.

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2017 IEEE XXIV International Conference on Electronics, Electrical Engineering and Computing (INTERCON)

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