Simulation optimization and experiment of seed sowing process using air-suction micro potato seeder based on NSGA-Ⅱ and AHP

FU Jin; DUAN Hongbing; HAN Mingxing; CAI Xingkui; DOGN Runing

doi:10.13300/j.cnki.hnlkxb.2025.01.031

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Simulation optimization and experiment of seed sowing process using air-suction micro potato seeder based on NSGA-Ⅱ and AHP

Food science and agricultural engineering | 更新时间：2026-11-05

- Simulation optimization and experiment of seed sowing process using air-suction micro potato seeder based on NSGA-Ⅱ and AHP
- Journal of Huazhong Agricultural University Vol. 44, Issue 1, Pages: 288-298(2025)
- 作者机构：
  
  1.华中农业大学工学院，武汉 430070
  2.农业农村部马铃薯生物学与生物技术重点实验室，武汉 430070
  3.农业农村部长江中下游农业装备重点实验室，武汉 430070
- 作者简介：
- 基金信息：
- DOI：10.13300/j.cnki.hnlkxb.2025.01.031
  CLC： S223.2
- Received：15 January 2024，
  
  Published：15 January 2025
- 稿件说明：
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付锦，段宏兵，韩明兴，等.基于NSGA-Ⅱ与AHP气吸式微型薯排种器排种过程仿真优化与试验［J］.华中农业大学学报，2025，44（1）：288‐298.

FU Jin,DUAN Hongbing,HAN Mingxing,et al.Simulation optimization and experiment of seed sowing process using air-suction micro potato seeder based on NSGA-Ⅱ and AHP[J].Journal of Huazhong Agricultural University,2025,44(01):288-298.
付锦，段宏兵，韩明兴，等.基于NSGA-Ⅱ与AHP气吸式微型薯排种器排种过程仿真优化与试验［J］.华中农业大学学报，2025，44（1）：288‐298. DOI： 10.13300/j.cnki.hnlkxb.2025.01.031.

FU Jin,DUAN Hongbing,HAN Mingxing,et al.Simulation optimization and experiment of seed sowing process using air-suction micro potato seeder based on NSGA-Ⅱ and AHP[J].Journal of Huazhong Agricultural University,2025,44(01):288-298. DOI： 10.13300/j.cnki.hnlkxb.2025.01.031.

摘要

针对现有气吸式微型薯排种器作业时所需负压高、功耗大、漏播严重等问题，依据微型薯的曲率半径，设计环槽型排种盘，增加微型薯贴附排种盘的有效接触面积，从而提高合格指数。运用EDEM与Fluent软件构建气吸式微型薯排种器耦合仿真模型，并以运行参数（真空度、排种盘转速）、结构参数（吸孔直径、吸孔数）为影响因素，以合格指数、漏播指数、重播指数、功率消耗为性能指标设计二次回归正交旋转组合试验。通过耦合仿真获得各影响因素对排种器性能指标的影响结果集，对结果集采用非支配排序算法（NSGA-Ⅱ）进行多目标求解，获取Pareto最优解集；通过层次分析法（AHP）对最优解集进行权重分配后，得到最优的排种器结构与运行参数。结果显示：最优参数值为负压值-5 060 Pa、排种盘转速35 r/min、吸孔数10个、吸孔直径10 mm时，排种器的合格指数为94.18%，漏播指数为3.14%，重播指数为2.68%，功率消耗为11.2 kW。台架试验结果显示：台架试验结果与仿真优化后结果基本保持一致，相对误差为0.97%。

Abstract

A ring groove-type disk of seeder was designed based on the radius of curvature of the micro potato seeds to solve the problems of the operation of existing air-suction micro potato seeder requiring high negative pressure， high power consumption and serious leakage. The effective contact area of the micro potato seed adhering to the disk was increased to improve the qualification index of the air-suction micro potato seeder. A coupled simulation model of an air-suction micro potato seeder was constructed with EDEM and Fluent software. A quadratic regression orthogonal rotation combination experiment was designed with operating parameters including the vacuum degree， rotation speed of seeder disk and structural parameters including the diameter of suction hole， number of suction holes of the seeder as influencing factors， and the qualification index， leakage index， reseeding index， and power consumption as indexes of performance. The result set of the impact of various influencing factors on the indexes of performance of the seeder was obtained through coupling simulation. The non-dominated sorting algorithm （NSGA-Ⅱ） for multi-objective optimization of the result set was used to obtain optimal solution set of Pareto. The optimal structure parameters and operating parameters of seeder were obtained after assigning weights to the optimal solution set using analytic hierarchy process （AHP）. The results showed that the optimal parameters were negative pressure value of －5 060 Pa， rotation speed of seeder disk of 35 r/min， number of suction holes of 10， and diameter of suction hole of 10 mm， with the qualification index of the seeder of 94.18%， the leakage index of 3.14%， the reseeding index of 2.68%， and the power consumption of 11.2 kW. The results of bench test showed that the simulation results optimized were basically consistent with the bench test， with a relative error of 0.97%. It is indicated that the combination of multi-objective optimization algorithm and hierarchical analysis process for weight allocation is reasonable and feasible for the performance optimization of air-suction micro potato seeder..

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references

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