Portable Commercial Cane Sugar Analyzer by Near Infrared Technique

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Publication Details

Author list: Lalita Aomsin;Ronnarit Rittiron;Werasak Surareungchai;Rutchadaporn Nootas

Publication year: 2019

Journal: Thai Society of Agricultural Engineering Journal (1685-408X)

Volume number: 25

Issue number: 2

Start page: 50

End page: 61

ISSN: 1685-408X

URL: https://li01.tci-thaijo.org/index.php/TSAEJ/article/view/169235

Abstract

Sugarcane is an important industrial crop for Thailand’s economy. Sugarcane trading is based on its sweetness quality which is measured by Commercial Cane Sugar (CCS). Sugarcane trading by CCS method is complicated and cannot analyze the CCS content promptly. Therefore agriculturists do not know the appropriate time to harvest for getting high purchasing price. Near Infrared (NIR) technique is an interesting method because NIR is nondestructive internal quality analysis, no chemicals, simple and rapid method. This research aimed to develop portable commercial cane sugar analyzers by NIR technique in reflectance mode at wavelength region of 800-1200 nm and developed the calibration equation for CCS content. The developed analyzer was assembled with touch screen display and battery with capacity of 9800 mAh. From the test results, it was found that the analyzer can be operated in the field continuously more than 6 hours in battery mode. The developed calibration equation could predict the CCS content with Standard Error of Prediction (SEP) = 1.97% and Bias = -0.1%. The results of CCS content values predicted by the invented analyzer were not significantly different from actual values at 95% confidence level.

Keywords

ค่า CCS, เครื่องวิเคราะห์คุณภาพอ้อย, อินฟราเรดย่านใกล้