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Position: Home > Articles > Experimental Research on Grain Yield Sensor Based on Screw Lift Principle Journal of Agricultural Mechanization Research 2018,40 (5) 158-163

螺旋升运式谷物产量传感器试验研究

作  者:
赵晨;黄操军;刘金明;韩东来
单  位:
黑龙江八一农垦大学信息技术学院;黑龙江省八五九农场
关键词:
联合收获;谷物产量;螺旋升运机;嵌入式处理器;动力学分析
摘  要:
为了对联合收割机收获过程中的谷物产量进行实时监测,设计了一种基于螺旋升运原理的谷物产量传感器。监测系统由基于ARM Cortex-M3的32位处理器芯片STM32F103VCT6的产量采集器、螺旋输送机构(本文中专指绞龙)及产量监测无线通讯监视模块组成。对谷物颗粒在进入螺旋升运腔体时和稳定螺旋升运过程中进行了动力学分析,并以此建立起绞龙驱动电机工作电流与谷物产量瞬时变化关系。在谷物产量螺旋升运试验台上进行了谷物产量实时检测试验以及上位机的谷物产量采集试验。试验结果表明:谷物喂入量在0~2kg/s范围内,螺旋升运电机参数与谷物产量关系的决定系数R2达到0.990 4,试验台谷物产量测量误差≤3.56%,系统在监测过程中性能可靠,为高精度收获过程测产提供了一种新的方法。
译  名:
Experimental Research on Grain Yield Sensor Based on Screw Lift Principle
作  者:
Zhao Chen;Huang Caojun;Liu Jinming;Han Donglai;College of Information and Technology,Heilongjiang Bayi Agricultural University;Heilongjiang 859 Farm;
关键词:
combine harvest;;grain yield;;screw elevator;;embedded processor;;dynamic analysis
摘  要:
In order to monitor the grain yield in the harvesting process of combine harvester,a grain yield sensor based on the principle of spiral elevator was designed. Cortex-M3 32 bits based on the ARM processor chip STM32F103VCT6 output harvester,screw conveyor mechanism( in this paper refers to the auger),production monitoring wireless communication monitoring module. The dynamic analysis is carried out in the process of grain particles entering into the spiral ascending cavity and the spiral lifting process. The grain yield real-time test and the grain yield test of the upper computer were carried out on the screw raising test rig. The experimental results show that the grain feeding amount in the range of0 ~ 2kg/s,the coefficient of determination( R2) helix parameters and grain yield of motor transport reached 0. 9904,grain yield test measurement error is less than 3. 56%,the system reliability in the monitoring process,meet the requirement of production test,and to provide a new method of high-precision harvesting process.

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