Duck Eggshell Crack Detection by Nondestructive Sonic Measurement and Analysis

Duck eggs are a good source of essential nutrients for the human body. However, transportation, processing, and handling can easily cause cracks in the eggshells. These cracks can lead to microbial contamination, reducing the shelf life and compromising food safety. In this study, a method for the n...

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Main Authors: Chia-Chun Lai, Cheng-Han Li, Ko-Jung Huang, Ching-Wei Cheng
Format: Article
Language:English
Published: MDPI AG 2021-11-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/21/21/7299
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author Chia-Chun Lai
Cheng-Han Li
Ko-Jung Huang
Ching-Wei Cheng
author_facet Chia-Chun Lai
Cheng-Han Li
Ko-Jung Huang
Ching-Wei Cheng
author_sort Chia-Chun Lai
collection DOAJ
description Duck eggs are a good source of essential nutrients for the human body. However, transportation, processing, and handling can easily cause cracks in the eggshells. These cracks can lead to microbial contamination, reducing the shelf life and compromising food safety. In this study, a method for the nondestructive testing of cracks in duck eggshells was developed. First, the acoustic emission signals of intact and cracked eggshells were measured, and the most significant frequency features were selected to establish a calibration curve for cracked eggshells. Logistic regression using the frequency features was then adopted to predict intact and cracked eggshells. Then, we establish a set of optimal regression models and used independent samples for verification. The overall accuracy rates of the calibration and prediction models using five frequencies of bandwidth (1500, 5000, 6000, 8500, and 10,000 Hz) were 89.7% and 87.6%, respectively. Sound measurement enables a simple and quantitative method for duck egg crack detection and classification. This nondestructive and cost-effective method can be used for duck egg quality screening and can be integrated into duck egg processing machinery.
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spelling doaj.art-e0c9f32e1ea44b39805ec4cc98d882a82023-11-22T21:39:32ZengMDPI AGSensors1424-82202021-11-012121729910.3390/s21217299Duck Eggshell Crack Detection by Nondestructive Sonic Measurement and AnalysisChia-Chun Lai0Cheng-Han Li1Ko-Jung Huang2Ching-Wei Cheng3Department of Bio-Industrial Mechatronics Engineering, National Chung Hsing University, Taichung 402, TaiwanDepartment of Bio-Industrial Mechatronics Engineering, National Chung Hsing University, Taichung 402, TaiwanDepartment of Bio-Industrial Mechatronics Engineering, National Chung Hsing University, Taichung 402, TaiwanDepartment of Computer Science and Information Engineering, National Taichung University of Science and Technology, Taichung 404, TaiwanDuck eggs are a good source of essential nutrients for the human body. However, transportation, processing, and handling can easily cause cracks in the eggshells. These cracks can lead to microbial contamination, reducing the shelf life and compromising food safety. In this study, a method for the nondestructive testing of cracks in duck eggshells was developed. First, the acoustic emission signals of intact and cracked eggshells were measured, and the most significant frequency features were selected to establish a calibration curve for cracked eggshells. Logistic regression using the frequency features was then adopted to predict intact and cracked eggshells. Then, we establish a set of optimal regression models and used independent samples for verification. The overall accuracy rates of the calibration and prediction models using five frequencies of bandwidth (1500, 5000, 6000, 8500, and 10,000 Hz) were 89.7% and 87.6%, respectively. Sound measurement enables a simple and quantitative method for duck egg crack detection and classification. This nondestructive and cost-effective method can be used for duck egg quality screening and can be integrated into duck egg processing machinery.https://www.mdpi.com/1424-8220/21/21/7299nondestructive testingsound detectioncalibration curveduck eggscracked eggshell
spellingShingle Chia-Chun Lai
Cheng-Han Li
Ko-Jung Huang
Ching-Wei Cheng
Duck Eggshell Crack Detection by Nondestructive Sonic Measurement and Analysis
Sensors
nondestructive testing
sound detection
calibration curve
duck eggs
cracked eggshell
title Duck Eggshell Crack Detection by Nondestructive Sonic Measurement and Analysis
title_full Duck Eggshell Crack Detection by Nondestructive Sonic Measurement and Analysis
title_fullStr Duck Eggshell Crack Detection by Nondestructive Sonic Measurement and Analysis
title_full_unstemmed Duck Eggshell Crack Detection by Nondestructive Sonic Measurement and Analysis
title_short Duck Eggshell Crack Detection by Nondestructive Sonic Measurement and Analysis
title_sort duck eggshell crack detection by nondestructive sonic measurement and analysis
topic nondestructive testing
sound detection
calibration curve
duck eggs
cracked eggshell
url https://www.mdpi.com/1424-8220/21/21/7299
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AT chenghanli duckeggshellcrackdetectionbynondestructivesonicmeasurementandanalysis
AT kojunghuang duckeggshellcrackdetectionbynondestructivesonicmeasurementandanalysis
AT chingweicheng duckeggshellcrackdetectionbynondestructivesonicmeasurementandanalysis