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[1]顿国强,陈海涛,查韶辉.基于EDEM的大豆窝眼轮式排种盘型孔参数优化与验证[J].大豆科学,2016,35(05):830-839.[doi:10.11861/j.issn.1000-9841.2016.05.0830]
　DUN Guo-qiang,CHEN Hai-tao,ZHA Shao-hui.Parameter Optimization and Validation of Soybean Cell Wheel Seeding Plate Type-hole Based on EDEM[J].Soybean Science,2016,35(05):830-839.[doi:10.11861/j.issn.1000-9841.2016.05.0830]

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基于EDEM的大豆窝眼轮式排种盘型孔参数优化与验证

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第35卷期数: 2016年05期页码: 830-839 栏目: 出版日期: 2016-09-20

Title:: Parameter Optimization and Validation of Soybean Cell Wheel Seeding Plate Type-hole Based on EDEM

作者:: 顿国强; 陈海涛; 查韶辉; （东北农业大学工程学院，黑龙江哈尔滨 150030）

Author(s):: DUN Guo-qiang; CHEN Hai-tao; ZHA Shao-hui; （Engineering College, Northeast Agricultural University, Harbin 150030, China）

关键词:: 农业机械; 种子; 计算机仿真; 大豆; 型孔; 参数优化; 验证

Keywords:: Agricultural machinery; Seed; Computer simulation; Soybean; Type-hole; Parameter optimization; Validation

DOI:: 10.11861/j.issn.1000-9841.2016.05.0830

文献标志码:: A

摘要:: 对品种的适应性是大豆育种专用排种器技术研究的关键，主要取决于大豆种子与排种盘型孔间的关系，因此，如何精准构建排种盘型孔参数关于大豆种子物理参数的数学模型具有非常重要的意义。本研究基于东农52大豆种子的物理参数，理论分析并确定其各种型孔充填状态的型孔均径比范围（1.43~1.87）及对应状态概率。建立了大豆小区育种插装式排种器的EDEM仿真模型，并以型孔均径比及充种倒角为试验因素，漏播率及重播率为试验指标，进行了二因素五水平二次回归通用旋转组合设计试验，建立了试验指标的数学模型，以优化型孔的最佳结构参数。结果表明：对漏播率，型孔均径比极显著(P＜0.01)，充种倒角显著(0.01＜P＜0.05)；对重播率，型孔均径比极显著(P＜0.01)，充种倒角有一定影响(0.05＜P＜0.1)。在试验范围内，随型孔均径比的增大，漏播率减小及重播率增大，随充种倒角的增大，漏播率先减小后增大，重播率无变化。型孔最佳参数为型孔均径比1.64，充种倒角1.54 mm，此时，漏播率4.95%，重播率6.49%。验证试验结果表明：优化型孔的排种盘具有相对最佳的作业性能。该研究为其它作物排种器型孔的设计研究提供了参考。

Abstract:: At present, varieties adaptability is the key problem of soybean breeding special seed metering device technology research, the main problem is that seeding plate how to adapt difference of measurement and shape of different soybean species.It is very important to construct precision model between unknown parameters such as type-hole diameter and filling chamfer and known parameters such as seed hundred-grain weight and average diameter.Based on Dongnong 52 physical parameters and theory analysis, acquired each filling state’s soybean seed’s type-hole average diameter ratio range is 1.43-1.87 EDEM simulation model of soybean breeding plug type metering device in district was established, the type hole average diameter ratio and filling chamfer was selected as factors, seed missing rate and seed re-filling rate was selected as indexes, two factors and five levels second order regression current rotation design experiment was done, test index′s mathematical model has been built, variance analysis of test results indicate that, for seed missing rate, average diameter ratio is very significant P＜0.01, filling chamfer is significant 0.01＜P＜0.05, for seed re-filling rate, type hole average diameter ratio is very significant P＜0.01, filling chamfer has a certain influence, but is not significant 0.05＜P＜0.1 Seed missing rate decreased and seed re-filling rate increased with type-hole average diameter ratio’s increasing, seed missing rate decreased and then increased with filling chamfer’s increasing.The optimal structure parameters of seeding plate’s type-hole was that type hole average diameter ratio was 1.64 and filling chamfer was 1.54 mm, seed missing rate was 4.95% and seed re-filling rate was 6.49%, the metering device had the best working performance. In order to verify optimal type-hole parameters, seed metering device performance contrast test has been done, the results indicated that the seed metering device with optimal parameter had the best working performance. Meanwhile, the research provides a practical new method for design for seeding plate hole of other crops.

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备注/Memo

基金项目：国家现代农业产业技术体系建设专项（GARS-04）；公益性行业（农业）科研专项经费项目（20130311）；东北农业大学研究生科技创新基金(yjscx14020)。第一作者简介：顿国强（1986-），男，博士，主要从事设施农业机械装备研究。E-mail：dunguoqiang110@126.com。通信作者：陈海涛（1962-），男，教授，博士，博导，主要从事农业机械装备及生物质材料技术研究。E-mail：htchen@neau.edu.cn。

更新日期/Last Update: 2016-09-25