OPTIMIZING SURFACE ELECTROMYOGRAPHY ACQUISITION WITHOUT RIGHT LEG DRIVE CIRCUIT

Zinvi Fu; A.Y. Bani Hashim; Z. Jamaludin; I. S. Mohamad; N. Nasir

doi:10.29121/IJOEST.v1.i1.2017.02

Authors

Zinvi Fu
A.Y. Bani Hashim Department of Robotics & Automation, Faculty of Manufacturing Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia
Z. Jamaludin Department of Robotics & Automation, Faculty of Manufacturing Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia
I. S. Mohamad Department. of Thermal-Fluid, Faculty of Mechanical Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia
N. Nasir Department of Robotics & Automation, Faculty of Manufacturing Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia

DOI:

https://doi.org/10.29121/IJOEST.v1.i1.2017.02

Keywords:

Circuit Design, Common Mode Noise, Electromyography, Right Leg Drive

Abstract

The right leg drive (RLD) is a circuit associated with electrocardiography acquisition circuits. For electromyography (EMG), the RLD circuit is used to a lesser degree. In general, the RLD circuit provides better noise reduction. This study compares the output of the EMG with and without the RLD circuit. The results indicate that with a good filter design, the direct grounding method can match the RLD in terms of noise reduction. As a result, EMG application, the RLD drive can be omitted.

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