An Efficient Hybrid Technique for Noise Reduction in Optical Gyroscope Signals

AbdelZaher, Hesham M.; El-Dokany, Ibrahim M.; El-Dolil, Sami A.; Oraby, Osama A.; Dessouky, Moawad I.; El-fishawy, Adel; El_Rabaie, El_Sayed M.; Abd-El-Samie, Fathi. E.

doi:10.21608/mjeer.2021.146289

An Efficient Hybrid Technique for Noise Reduction in Optical Gyroscope Signals

Document Type : Original Article

Authors

¹ Communication Department Faculty of Electronic Engineering El-Menoufia University El-Menoufia, Egypt

² Electrical Engineering Department Faculty of Engineering Damiatta University Damiatta, Egypt

10.21608/mjeer.2021.146289

Abstract

Gyroscopes are sensors that are used for motion measurement. They are generally used to measure rotation rate of moving equipment. There are different types of gyroscopes including mechanical, micro-electro-mechanical (MEMS) and optical gyroscopes. Gyroscope signal suffers from internal noise due to internal device operation and external noise of the environment. This paper presents a proposed hybrid technique that includes both Kalman filter and wavelet denoising. Results show the superiority of this proposed technique to the other filters. Arranging the filters in cascaded hybrid structure has an effect on the performance of the hybrid technique. Using Kalman filter as a first stage is better than using the wavelet as a first stage. For the comparison, two evaluation metrics are used: Signal-to-Noise Ratio (SNR) improvement and correlation coefficient.

Keywords

References

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