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The Experimentation Research of Wheat Precision Seeding Mechanism Based on Image Processing

Author: LiQing
Tutor: YiChuiJie；LinHaiBo
School: Qingdao Technological University
Course: Vehicle Engineering
Keywords: Suction metering device Flow field analysis Image processing Quadratic regression orthogonal rotary
CLC: TP391.41
Type: Master's thesis
Year: 2010
Downloads: 65
Quote: 0
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Abstract


Wheat Precision Seeding Technology is an advanced cultivation techniques , it is able to adapt to China 's agricultural production to ecological agriculture , the need for quality and efficiency of agricultural development , is one of the direction of development of mechanization of sowing . In order to increase wheat production , the implementation of precision planting is one of the most effective ways . For any kind of planter , the core is the seed metering , it is decided planter quality of work and the performance of the pros and cons of important factors . The planter can meet the requirements of agricultural technology or meet what extent , to a large extent depends mainly on working conditions Seeding . Wheat the fine row robots key technologies development and applied research projects around the Shandong Province Science and Technology Department requirements , based on the image processing technology of wheat Precision Metering pilot study to provide the required parameters by experimental data obtained for seeding robot basis. The contents of this article as follows: ( 1) based on the design of the seed metering device , based on the principles of fluid mechanics , the establishment of the dynamic model , the use of three-dimensional modeling software and fluid dynamics simulation software FLUENT different structural parameters of the flow field of the gas chamber the three-dimensional simulation analysis , come to meet the optimal diameter range of the gas chamber depth suck species requires the optimal structure and suction holes . ( 2) The design and development of this article , the test-bed for precision sowing of wheat , the use of automation and control technology to achieve the metering device test bench motor , infinitely variable speed conveyor motor and fan , and test bench stable operation . (3 ) the use of image processing software , image denoising collected , thresholding , edge detection step , measuring from the wheat grain , the calculation of the performance of the seed metering device . (4) for the test results obtained for the quadratic regression analysis ; not significant in the analysis of variance items removed, then the secondary analysis of variance , in order to ensure the reliability of the regression equation , and significant . Finally, the regression model .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Pattern Recognition and devices > Image recognition device
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