Analysis of Vibration and Acoustic Signals for Noncontact Measurement of Engine Rotation Speed

The non-contact measurement of engine speed can be realized by analyzing engine vibration frequency. However, the vibration signal is distorted by harmonics and noise in the measurement. This paper presents a novel method for the measurement of engine rotation speed by using the cross-correlation of...

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Main Authors: Xuansheng Shan, Lu Tang, He Wen, Radek Martinek, Janusz Smulko
Format: Article
Language:English
Published: MDPI AG 2020-01-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/20/3/683
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author Xuansheng Shan
Lu Tang
He Wen
Radek Martinek
Janusz Smulko
author_facet Xuansheng Shan
Lu Tang
He Wen
Radek Martinek
Janusz Smulko
author_sort Xuansheng Shan
collection DOAJ
description The non-contact measurement of engine speed can be realized by analyzing engine vibration frequency. However, the vibration signal is distorted by harmonics and noise in the measurement. This paper presents a novel method for the measurement of engine rotation speed by using the cross-correlation of vibration and acoustic signals. This method can enhance the same frequency components in engine vibration and acoustic signal. After cross-correlation processing, the energy centrobaric correction method is applied to estimate the accurate frequency of the engine’s vibration. This method can be implemented with a low-cost embedded system estimating the cross-correlation. Test results showed that this method outperformed the traditional vibration-based measurement method.
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spelling doaj.art-69a1930e38b849fb90fd97a027d1b34f2022-12-22T03:10:26ZengMDPI AGSensors1424-82202020-01-0120368310.3390/s20030683s20030683Analysis of Vibration and Acoustic Signals for Noncontact Measurement of Engine Rotation SpeedXuansheng Shan0Lu Tang1He Wen2Radek Martinek3Janusz Smulko4College of Electrical and Information Engineering, Hunan University, Changsha 410082, ChinaCollege of Electrical and Information Engineering, Hunan University, Changsha 410082, ChinaCollege of Electrical and Information Engineering, Hunan University, Changsha 410082, ChinaDepartment of Cybernetics and Biomedical Engineering, Technical University of Ostrava, Office EA339 17. Listopadu 2172/15, 708 00 Ostrava-Poruba, Czech RepublicDepartment of Metrology and Optoelectronics, Gdańsk University of Technology, ul. G. Narutowicza 11/12, 80-233 Gdańsk, PolandThe non-contact measurement of engine speed can be realized by analyzing engine vibration frequency. However, the vibration signal is distorted by harmonics and noise in the measurement. This paper presents a novel method for the measurement of engine rotation speed by using the cross-correlation of vibration and acoustic signals. This method can enhance the same frequency components in engine vibration and acoustic signal. After cross-correlation processing, the energy centrobaric correction method is applied to estimate the accurate frequency of the engine’s vibration. This method can be implemented with a low-cost embedded system estimating the cross-correlation. Test results showed that this method outperformed the traditional vibration-based measurement method.https://www.mdpi.com/1424-8220/20/3/683engine rotation speedcross-correlationvibrationacousticnoncontact measurementfourier transform
spellingShingle Xuansheng Shan
Lu Tang
He Wen
Radek Martinek
Janusz Smulko
Analysis of Vibration and Acoustic Signals for Noncontact Measurement of Engine Rotation Speed
Sensors
engine rotation speed
cross-correlation
vibration
acoustic
noncontact measurement
fourier transform
title Analysis of Vibration and Acoustic Signals for Noncontact Measurement of Engine Rotation Speed
title_full Analysis of Vibration and Acoustic Signals for Noncontact Measurement of Engine Rotation Speed
title_fullStr Analysis of Vibration and Acoustic Signals for Noncontact Measurement of Engine Rotation Speed
title_full_unstemmed Analysis of Vibration and Acoustic Signals for Noncontact Measurement of Engine Rotation Speed
title_short Analysis of Vibration and Acoustic Signals for Noncontact Measurement of Engine Rotation Speed
title_sort analysis of vibration and acoustic signals for noncontact measurement of engine rotation speed
topic engine rotation speed
cross-correlation
vibration
acoustic
noncontact measurement
fourier transform
url https://www.mdpi.com/1424-8220/20/3/683
work_keys_str_mv AT xuanshengshan analysisofvibrationandacousticsignalsfornoncontactmeasurementofenginerotationspeed
AT lutang analysisofvibrationandacousticsignalsfornoncontactmeasurementofenginerotationspeed
AT hewen analysisofvibrationandacousticsignalsfornoncontactmeasurementofenginerotationspeed
AT radekmartinek analysisofvibrationandacousticsignalsfornoncontactmeasurementofenginerotationspeed
AT januszsmulko analysisofvibrationandacousticsignalsfornoncontactmeasurementofenginerotationspeed