Portable fruit quality grading system based on embedded Linux

A grading system, portable technology, applied in the direction of analyzing materials, material analysis by optical means, measuring devices, etc., can solve the problems of high cost and difficult to carry, and achieve the effect of low cost, simple operation and easy operation.

Inactive Publication Date: 2017-03-22
NANJING AGRICULTURAL UNIVERSITY
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Problems solved by technology

[0003] At present, laser scattering technology, as a method based on photon absorption and light scattering propagation, has been increasingly used to predict fruit quality, but the detection systems used in research are all designed on the PC platform with man-machine interface and acquisition equipment. This system has the characteristics of being difficult to carry and high cost, and there are few reports on the further development of commercial fruit quality grading instruments using existing prediction models.

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  • Portable fruit quality grading system based on embedded Linux
  • Portable fruit quality grading system based on embedded Linux
  • Portable fruit quality grading system based on embedded Linux

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Embodiment Construction

[0015] The present invention is a kind of portable fruit quality grading system based on embedded Linux, and concrete implementation process comprises following 3 parts:

[0016] 1 Overall system design

[0017] The basic purpose of the portable fruit quality grading instrument is to collect laser images, perform pattern recognition, data processing, and final output on the collected image data, so as to meet the needs of real-time, portability, function, and cost. figure 1 It is the structural diagram of the portable fruit quality grader, mainly including the shell (1), semiconductor laser transmitter (2), development board (3), touch screen display (4), switch (5), SD card (6), Camera and lens (7) and battery (8), wherein, semiconductor laser emitter and camera are in 15 ° angle. The workflow of the portable fruit quality grader is as follows: figure 2 As shown, put the fruit sample close to the front opening of the instrument to ensure the dark environment inside the ins...

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Abstract

The invention discloses a portable fruit quality grading system based on embedded Linux and the overall planning of the system, construction of a Linux operating system and development of an interactive interface. C / C + + and Python are used for mixed programming, bottom hardware is developed and driven by the C / C + +, the interface and logic are developed by the Python, the portable fruit quality grading system is dynamically loaded in a miniSD card for realizing the functions of parameter setting, image acquisition, data processing, result storage and display and the like. The portable fruit quality grading system has the advantages of small size, low cost, easy operation, fast speed, digital display, and the like, an established fruit internal quality prediction model based on a laser scattering image is further developed into a commercial detection and classification instrument, and the portable fruit quality grading system has important significance for consumers, supermarkets, wholesale markets, processing enterprises, and import and export enterprises.

Description

technical field [0001] The invention discloses a portable fruit quality grading system based on embedded Linux, which belongs to the technical field of non-destructive testing of agricultural products. Background technique [0002] Embedded systems are application-centric, professional computers with tailorable software and hardware, and curable software. It is another new technology development direction after network technology in the 21st century. Embedded systems support embedded devices to achieve small size, micro-power Low power consumption, low cost and friendly man-machine interface are gradually beginning to be applied in various industries. From the perspective of overall research on embedded devices, embedded technology in developed countries in Europe and the United States started earlier, and has applications in industries such as logistics, inventory, meter reading, insurance, tourism, health care, and catering. The products are relatively mature and the funct...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/84G01N35/00
CPCG01N21/84G01N35/00584
Inventor 屠康徐苗李浩坤
Owner NANJING AGRICULTURAL UNIVERSITY
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