基于微积分理论的玉米收获机作业效率优化

Efficiency Optimization of the Corn Harvesting Machine Based on Calculus Theory

为提升玉米收获机的作业效率,提出以微积分控制理论为优化主导,针对其核心结构与作业控制展开应用性研究。以通用型玉米收获机的主要作业流程为依据,结合整机作业过程特点,搭建用于收获机各环节的微积分控制优化模型,针对机体的核心结构及执行部件进行相适应性设计,给出微积分算法下的导向控制执行系统与干扰控制系统设计,并展开针对性的收获作业试验。试验结果表明:基于微积分理论的玉米收获机结构与控制设计,收获含杂率与籽粒破碎率明显降低,系统运行准确、平稳,整机的作业效率相对可提升9.26%,对于我国类似农用收获机械的持续创新有重要的参考价值。

In order to improve the operational efficiency of corn harvesting machine in China,the calculus control theory was proposed as the optimization leading,and the applied research on its core structure and operation control was carried out.Based on the main operation process of general corn harvesting machine,combined with the functional characteristics of the whole operation process,the calculus control optimization model for each link of the harvesting machine was built,and the adaptive design was carried for the core structure and executive parts of the machine.The design of guidance control execution system and interference control system under the calculus algorithm was also given,and targeted harvest operation test was carried out,the results showed that:the structure and control design of the corn harvesting machine based on calculus theory,the harvest impurity rate and grain breakage rate were significantly reduced,the system run accurately and smoothly,the operation efficiency of the whole machine could be improved by 9.26%,which would have a positive application effect in the precision operation of the corn harvesting machine,and would be important reference significance for the continuous innovation of similar agricultural harvesting machines in China.