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Design of bionic mole forelimb intelligent row cleaners

International Journal of Agricultural and Biological Engineering 2019年第3期12卷 27-35页

作者： Honglei Jia Qi Wang Dongyan Huang Longtu Zhu Mingwei Li Jiale Zhao School of Biological and Agricultural Engineering Jilin UniversityChangchun 130022China Key Laboratory of bionic Engineering Ministry of EducationJilin UniversityChangchun 130022China

In Northeast China under no-till conditions the amount of maize stubble of the previous year's crop severely limit the quality of sowing operations by unstable operating depth of normal planter row ***,in this study,bionic mole forelimb intelligent row cleaners comprising of a cleaning device and a depth intelligent control system were *** theoretical analysis,computer-based simulation,and test optimized design,the mechanism of bionic cleaners that possessed the forelimb motion morphology and the front claw toe structural morphology of moles was studied,the effects of structural parameters of bionic cleaners on the cleaning quality were *** on a pressure sensor,a depth intelligent control system was designed,which enhanced the depth stability of the cleaning *** types of bionic cleaners were identified by simulation on EDEM *** regression equations between different parameters and operation evaluation indices were established,and the optimal parameter combination was identified on Design-Expert software with a rotation radius of 150 mm and a motion deflection angle of 15.8°,at which the cleaning rate was 91.3%.Field tests under the optimal parameter combination showed that bionic cleaners outperformed normal planar cleaners,and the depth intelligent control system could efficiently improve the performance of the row *** straw cleaning rate of the bionic mole forelimb intelligent row cleaners under total straw mulching fields was 90.9%,which was 21.3%higher than that of normal cleaners,and the ground surfaces after operation satisfied the agricultural requirements of maize no-tillage sowing.

关键词： bionic mole forelimb intelligent row cleaners intelligent control systems no-till sowing corn production residue management

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