A Small and Slim Coaxial Probe for Single Rice Grain Moisture Sensing
A moisture detection of single rice grains using a slim and small open-ended coaxial probe is presented. The coaxial probe is suitable for the nondestructive measurement of moisture values in the rice grains ranging from from 9.5% to 26%. Empirical polynomial models are developed to predict the grav...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2013-03-01
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| Series: | Sensors |
| Subjects: | |
| Online Access: | http://www.mdpi.com/1424-8220/13/3/3652 |
| _version_ | 1797999279423356928 |
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| author | Zulkifly Abbas Jamaliah Salleh Li Ling You Hou Kit Mun Kok Yeow You |
| author_facet | Zulkifly Abbas Jamaliah Salleh Li Ling You Hou Kit Mun Kok Yeow You |
| author_sort | Zulkifly Abbas |
| collection | DOAJ |
| description | A moisture detection of single rice grains using a slim and small open-ended coaxial probe is presented. The coaxial probe is suitable for the nondestructive measurement of moisture values in the rice grains ranging from from 9.5% to 26%. Empirical polynomial models are developed to predict the gravimetric moisture content of rice based on measured reflection coefficients using a vector network analyzer. The relationship between the reflection coefficient and relative permittivity were also created using a regression method and expressed in a polynomial model, whose model coefficients were obtained by fitting the data from Finite Element-based simulation. Besides, the designed single rice grain sample holder and experimental set-up were shown. The measurement of single rice grains in this study is more precise compared to the measurement in conventional bulk rice grains, as the random air gap present in the bulk rice grains is excluded. |
| first_indexed | 2024-04-11T11:02:07Z |
| format | Article |
| id | doaj.art-9c97702d4a884ad1b2bd00d7a699e9ea |
| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-04-11T11:02:07Z |
| publishDate | 2013-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj.art-9c97702d4a884ad1b2bd00d7a699e9ea2022-12-22T04:28:31ZengMDPI AGSensors1424-82202013-03-011333652366310.3390/s130303652A Small and Slim Coaxial Probe for Single Rice Grain Moisture SensingZulkifly AbbasJamaliah SallehLi Ling YouHou Kit MunKok Yeow YouA moisture detection of single rice grains using a slim and small open-ended coaxial probe is presented. The coaxial probe is suitable for the nondestructive measurement of moisture values in the rice grains ranging from from 9.5% to 26%. Empirical polynomial models are developed to predict the gravimetric moisture content of rice based on measured reflection coefficients using a vector network analyzer. The relationship between the reflection coefficient and relative permittivity were also created using a regression method and expressed in a polynomial model, whose model coefficients were obtained by fitting the data from Finite Element-based simulation. Besides, the designed single rice grain sample holder and experimental set-up were shown. The measurement of single rice grains in this study is more precise compared to the measurement in conventional bulk rice grains, as the random air gap present in the bulk rice grains is excluded.http://www.mdpi.com/1424-8220/13/3/3652small open-ended coaxial probesingle rice grainmeasured reflection coefficientrelative permittivitygravimetric moisture contenttransmission linemicrowave measurement techniques |
| spellingShingle | Zulkifly Abbas Jamaliah Salleh Li Ling You Hou Kit Mun Kok Yeow You A Small and Slim Coaxial Probe for Single Rice Grain Moisture Sensing Sensors small open-ended coaxial probe single rice grain measured reflection coefficient relative permittivity gravimetric moisture content transmission line microwave measurement techniques |
| title | A Small and Slim Coaxial Probe for Single Rice Grain Moisture Sensing |
| title_full | A Small and Slim Coaxial Probe for Single Rice Grain Moisture Sensing |
| title_fullStr | A Small and Slim Coaxial Probe for Single Rice Grain Moisture Sensing |
| title_full_unstemmed | A Small and Slim Coaxial Probe for Single Rice Grain Moisture Sensing |
| title_short | A Small and Slim Coaxial Probe for Single Rice Grain Moisture Sensing |
| title_sort | small and slim coaxial probe for single rice grain moisture sensing |
| topic | small open-ended coaxial probe single rice grain measured reflection coefficient relative permittivity gravimetric moisture content transmission line microwave measurement techniques |
| url | http://www.mdpi.com/1424-8220/13/3/3652 |
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