基于数学建模的联合整地机作业优化研究

Research on Optimization of Combined Soil Preparation Machine Based on Mathematical Modeling

为进一步提升我国联合整地机的作业效率,针对其核心作业部件结构及控制展开优化研究。以数学建模为应用引导点,结合联合整地机的作业目标与功能要求,深入分析结构的受力与能耗特点,建立正确的过程参数计算处理模型,同步进行结构尺寸位置设计与传感智能控制配置。基于数学建模的联合整地机作业试验结果表明:联合整地机整机作业效能得到显著改善,旋耕部件的位姿准确度与碎土部件的地表碎土率相对提升了7.25%和9.81%。建模分析从土壤与部件之间的作用机理出发,很好地降低了作业实施阻力,提升了深松合格率,整机综合效率达到90.20%,是集数学理论分析、传感智能控制、结构细致优化的综合体现,是实现智能化耕地的正确方向之一,有较好的推广价值。

In order to further improve the operation efficiency of our country's combined soil preparation machine,optimization research was carried on its core operation component structure and control.Taking mathematical modeling as the application guide point,combined with the operation objectives and functional requirements of the combined soil leveler,this paper deeply analyzed the force and energy consumption characteristics of the structure,established the correct process parameter calculation and processing model,synchronously carried out the structural size and position design and sensor intelligent control configuration,and the operation test of the combined soil leveler under the application of mathematical modeling was carried out,which showed that:the application analysis based on mathematical modeling,the operation efficiency of the combined soil leveler had been significantly improved,in which the pose accuracy of the rotary tilling parts and the ground crushing rate of the soil crushing parts had been increased by 7.25%and 9.81%respectively.This modeling analysis,based on the action mechanism between the soil and the parts,had well reduced the operation resistance and improved the subsoiling qualification rate.The overall efficiency of the whole machine had reached 90.20%.It was a combination of mathematical theoretical analysis,sensing intelligent control.The comprehensive embodiment of the detailed optimization of the structure would be a good enlightening significance for similar agricultural machinery soil preparation equipment,would be one of the correct directions to realize intelligent cultivated soil,and would be strong practical and promotional value.