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Adaptive filtering method for EMG signal using bounded range artificial bee colony algorithm

机译:基于有界人工蜂群算法的肌电信号自适应滤波方法

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摘要

In this paper, an adaptive artefact canceller is designed using the bounded range artificial bee colony (BR-ABC) optimization technique. The results of proposed method are compared with recursive least square and other evolutionary algorithms. The performance of these algorithms is evaluated in terms of signal-to-noise ratio (SNR), mean square error (MSE), maximum error (ME) mean, standard deviation (SD) and correlation factor (r). The noise attenuation capability is tested on EMG signal contaminated with power line and ECG noise at different SNR levels. A comparative study of various techniques reveals that the performance of BR-ABC algorithm is better in noisy environment. Our simulation results show that the ANC filter using BR-ABC technique provides 15 dB improvement in output average SNR, 63 and 83% reduction in MSE and ME, respectively as compared to ANC filter based on PSO technique. Further, the ANC filter designed using BR-ABC technique enhances the correlation between output and pure EMG signal.
机译:本文采用有界人工蜂群(BR-ABC)优化技术设计了一种自适应伪像消除器。将该方法的结果与递归最小二乘和其他进化算法进行了比较。这些算法的性能根据信噪比(SNR),均方差(MSE),最大误差(ME)均值,标准差(SD)和相关因子(r)进行评估。测试了在不同SNR级别上受电源线污染的EMG信号和ECG噪声的噪声衰减能力。对各种技术的比较研究表明,在嘈杂的环境中,BR-ABC算法的性能更好。我们的仿真结果表明,与基于PSO技术的ANC滤波器相比,使用BR-ABC技术的ANC滤波器在输出平均SNR方面提高了15dB,MSE和ME分别降低了63%和83%。此外,使用BR-ABC技术设计的ANC滤波器增强了输出和纯EMG信号之间的相关性。

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