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便攜式大米多品質(zhì)參數(shù)無損檢測(cè)儀設(shè)計(jì)與試驗(yàn)
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國(guó)家重點(diǎn)研發(fā)計(jì)劃項(xiàng)目(2016YFD0101205)


Portable Rapid Nondestructive Detecting Instrument for Multiquality Parameters of Rice
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    摘要:

    基于近紅外漫透射光補(bǔ)償光譜分析技術(shù),設(shè)計(jì)了便攜式大米多品質(zhì)參數(shù)無損檢測(cè)儀,檢測(cè)儀包括光譜采集單元、光源單元、控制與顯示單元、供電單元、專用參考校正盒等,光譜采集單元通過光補(bǔ)償杯和聚焦準(zhǔn)直透鏡有效提高了采集光譜的信噪比,整個(gè)裝置尺寸為207mm×90mm×148mm,攜帶方便。選取52個(gè)秈米樣品,基于便攜式大米多品質(zhì)參數(shù)無損檢測(cè)儀建立了大米含水率、直鏈淀粉質(zhì)量分?jǐn)?shù)和蛋白質(zhì)質(zhì)量分?jǐn)?shù)的偏最小二乘預(yù)測(cè)模型,含水率、直鏈淀粉質(zhì)量分?jǐn)?shù)和蛋白質(zhì)質(zhì)量分?jǐn)?shù)的校正集相關(guān)系數(shù)分別為0.9803、0.9770、0.9323,校正集均方根誤差分別為0.2791%、0.7274%、0.2045%,驗(yàn)證集相關(guān)系數(shù)分別為0.9793、0.9571、0.9249,驗(yàn)證集均方根誤差分別為0.3009%、1.1067%、0.2127%?;贛FC軟件開發(fā)工具,采用C/C++語言編寫了實(shí)時(shí)檢測(cè)及控制軟件,實(shí)現(xiàn)了便攜式大米多品質(zhì)參數(shù)檢測(cè)儀的一鍵式操作。試驗(yàn)驗(yàn)證了便攜式大米品質(zhì)無損檢測(cè)儀的檢測(cè)精度和穩(wěn)定性,結(jié)果表明,利用該裝置預(yù)測(cè)大米含水率、直鏈淀粉質(zhì)量分?jǐn)?shù)和蛋白質(zhì)質(zhì)量分?jǐn)?shù)的最大變異系數(shù)分別為0.024、0079、〖JP2〗0034,大米樣品的含水率、直鏈淀粉質(zhì)量分?jǐn)?shù)和蛋白質(zhì)質(zhì)量分?jǐn)?shù)的預(yù)測(cè)值和標(biāo)準(zhǔn)理化值的相關(guān)系數(shù)分別為0.9727、0.9409、0.9015,預(yù)測(cè)均方根誤差為0.3632%、1.3181%、0.2430%。這表明自行設(shè)計(jì)的檢測(cè)儀可以實(shí)現(xiàn)大米含水率、直鏈淀粉和蛋白質(zhì)質(zhì)量分?jǐn)?shù)的實(shí)時(shí)無損檢測(cè)。

    Abstract:

    Based on near infrared diffuse transmission light compensation spectrum analysis technology, a portable rice quality parameters of the instrument for nondestructive testing was developed, including spectroscopy acquisition unit, light source unit,information processing and display unit,power supply unit, and dedicated reference correction box, etc. Spectral acquisition unit light compensation and collimating lens to the focal effectively improved the signaltonoise ratio of the spectrum, the entire unit size was 207mm×90mm×148mm, which was easy to carry. Fiftytwo indica rice samples were selected and a partial leastsquares prediction model of rice amylose and protein content was established based on the portable multiquality nondestructive testing instrument. The calibration set correlation coefficients of water content, amylose content and protein content were 0.9803, 0.9770 and 0.9323, respectively. The calibration set root mean square error (RMSEc) was 0.2791%, 0.7274% and 0.2045%, respectively. The correlation coefficients of the validation set were 0.9793, 0.9571 and 0.9249, respectively. The validation set root mean square error (RMSEv) was 0.3009%, 1.1067% and 0.2127%, respectively. Based on the MFC software development tool, C/C++ language was used to write the realtime detection and control software, which realized the onekey operation of the portable rice multiquality detector and finally verified the detection accuracy and stability of the portable rice quality nondestructive tester. The maximum variation coefficient of water content, amylose content and protein content was 0.024, 0.079 and 0.034, respectively. The correlation coefficients of predicted and standard physicochemical values of water content, amylose content and protein content in rice samples were 0.9727, 0.9409 and 0.9015, respectively. and the predicted rootmeansquare error was 0.3632%, 1.3181% and 0.2430%, respectively.

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劉亞超,李永玉,彭彥昆,韓東海,丁繼剛,王綺.便攜式大米多品質(zhì)參數(shù)無損檢測(cè)儀設(shè)計(jì)與試驗(yàn)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2019,50(8):351-357. LIU Yachao, LI Yongyu, PENG Yankun, HAN Donghai, DING Jigang, WANG Qi. Portable Rapid Nondestructive Detecting Instrument for Multiquality Parameters of Rice[J]. Transactions of the Chinese Society for Agricultural Machinery,2019,50(8):351-357.

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  • 收稿日期:2019-02-21
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  • 在線發(fā)布日期: 2019-08-10
  • 出版日期: 2019-08-10
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