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A Novel Method of Measuring Fat Content in Soybean Milk Based on Y-Type Optical Fiber Sensor

机译:基于Y型光纤传感器的豆浆脂肪含量测定新方法

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摘要

A new method of measuring fat content in soybean milk at room temperature (25℃) based on the Y-type optical fiber sensor is presented. The measurement system consists of a light source, Y-type optical fiber sensor, detector, thermoelectric cooler (TEC), preamplifier, second-level amplifier, A/D converter, and microprocessor. Based on the Mie theory, the diffuse reflection light intensity is adopted as the optical parameter representing the fat content in soybean milk. In this way the standard model of the system was established based on the diffuse reflection light intensity (the output voltage) of 40 soybean milk samples with different fat content. A prediction was also made to verify the measurement accuracy of the system (the prediction errors are within ±3 % of results). Results of this study indicate the feasibility of using this technology for soybean milk fat analysis that is suitable for the milk laboratory or field analysis.
机译:提出了一种基于Y型光纤传感器的室温(25℃)豆浆中脂肪含量的测量新方法。测量系统由光源,Y型光纤传感器,检测器,热电冷却器(TEC),前置放大器,二级放大器,A / D转换器和微处理器组成。根据米氏理论,采用漫反射光强度作为代表豆浆中脂肪含量的光学参数。这样,基于40个脂肪含量不同的豆浆样品的漫反射光强度(输出电压)建立了系统的标准模型。还进行了预测以验证系统的测量精度(预测误差在结果的±3%之内)。这项研究的结果表明,将该技术用于豆浆脂肪分析的可行性,适用于牛奶实验室或现场分析。

著录项

  • 来源
    《Journal of testing and evaluation》 |2015年第1期|1-10|共10页
  • 作者单位

    College of Science, Nanjing Univ. of Aeronautics and Astronautics, Nanjing, China, 210016;

    College of Science, Nanjing Univ. of Aeronautics and Astronautics, Nanjing, China, 210016,Jiangsu Key Laboratory of Spectral Imaging & Intelligent sense, Nanjing, China, 210094;

    College of Science, Nanjing Univ. of Aeronautics and Astronautics, Nanjing, China, 210016;

    College of Science, Nanjing Univ. of Aeronautics and Astronautics, Nanjing, China, 210016;

    College of Science, Nanjing Univ. of Aeronautics and Astronautics, Nanjing, China, 210016;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    fat content; Y-type optical fiber; soybean milk; data modeling;

    机译:脂肪含量;Y型光纤;豆浆;数据建模;

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