Detection of Tram Wheel Faults Using MEMS-Based Sensors

Micro-electromechanical-systems (MEMS) based sensors are used for monitoring the state of machines in condition-based maintenance tasks. This approach is applied at tram depots for the purpose of identifying faulty wheels on trams in order to eliminate defective trams at the entry or dispatch gates....

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Main Authors: Yohanis Dabesa Jelila, Wiesław Pamuła
Format: Article
Language:English
Published: MDPI AG 2022-08-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/22/17/6373
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author Yohanis Dabesa Jelila
Wiesław Pamuła
author_facet Yohanis Dabesa Jelila
Wiesław Pamuła
author_sort Yohanis Dabesa Jelila
collection DOAJ
description Micro-electromechanical-systems (MEMS) based sensors are used for monitoring the state of machines in condition-based maintenance tasks. This approach is applied at tram depots for the purpose of identifying faulty wheels on trams in order to eliminate defective trams at the entry or dispatch gates. The application of MEMS-based sensors for the detection of wheel faults is the focus of this study. A method for processing of the collected sensor data is developed. It is based on assessing the energy of vibrations at different frequency bands. Maximal Overlap Discrete Wavelet Packet Transform (MODWPT) is used for obtaining a description of the sensor data. The task of finding the energy threshold for detecting faulty wheels, frequency band and parameters of MODWPT which most distinctly distinguish the wheels is the goal of the method. The weighted difference (DW) between the extreme values of energy in a frequency band for normal and faulty wheels is proposed as the measure of the ability to distinguish the wheels. The search for the solution is formulated as a discrete optimisation problem of maximising this measure. Both the simulation and experimental results indicate that faulty wheels have greater vibration energy than normal wheels. The properties of this approach are discussed and evaluated.
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spelling doaj.art-7318b1d3af7a42d0af3a01d07bec6c282023-11-23T14:07:23ZengMDPI AGSensors1424-82202022-08-012217637310.3390/s22176373Detection of Tram Wheel Faults Using MEMS-Based SensorsYohanis Dabesa Jelila0Wiesław Pamuła1Department of Transport Systems, Traffic Engineering and Logistics, Faculty of Transport and Aviation Engineering, Silesian University of Technology, 40-019 Katowice, PolandDepartment of Transport Systems, Traffic Engineering and Logistics, Faculty of Transport and Aviation Engineering, Silesian University of Technology, 40-019 Katowice, PolandMicro-electromechanical-systems (MEMS) based sensors are used for monitoring the state of machines in condition-based maintenance tasks. This approach is applied at tram depots for the purpose of identifying faulty wheels on trams in order to eliminate defective trams at the entry or dispatch gates. The application of MEMS-based sensors for the detection of wheel faults is the focus of this study. A method for processing of the collected sensor data is developed. It is based on assessing the energy of vibrations at different frequency bands. Maximal Overlap Discrete Wavelet Packet Transform (MODWPT) is used for obtaining a description of the sensor data. The task of finding the energy threshold for detecting faulty wheels, frequency band and parameters of MODWPT which most distinctly distinguish the wheels is the goal of the method. The weighted difference (DW) between the extreme values of energy in a frequency band for normal and faulty wheels is proposed as the measure of the ability to distinguish the wheels. The search for the solution is formulated as a discrete optimisation problem of maximising this measure. Both the simulation and experimental results indicate that faulty wheels have greater vibration energy than normal wheels. The properties of this approach are discussed and evaluated.https://www.mdpi.com/1424-8220/22/17/6373MEMSfaulty wheel detectionMODWPT transformstramdiscrete optimization problemDW function
spellingShingle Yohanis Dabesa Jelila
Wiesław Pamuła
Detection of Tram Wheel Faults Using MEMS-Based Sensors
Sensors
MEMS
faulty wheel detection
MODWPT transforms
tram
discrete optimization problem
DW function
title Detection of Tram Wheel Faults Using MEMS-Based Sensors
title_full Detection of Tram Wheel Faults Using MEMS-Based Sensors
title_fullStr Detection of Tram Wheel Faults Using MEMS-Based Sensors
title_full_unstemmed Detection of Tram Wheel Faults Using MEMS-Based Sensors
title_short Detection of Tram Wheel Faults Using MEMS-Based Sensors
title_sort detection of tram wheel faults using mems based sensors
topic MEMS
faulty wheel detection
MODWPT transforms
tram
discrete optimization problem
DW function
url https://www.mdpi.com/1424-8220/22/17/6373
work_keys_str_mv AT yohanisdabesajelila detectionoftramwheelfaultsusingmemsbasedsensors
AT wiesławpamuła detectionoftramwheelfaultsusingmemsbasedsensors