基于GIS的油菜播种控制系统设计与试验

doi:10.3969/j.issn.1004-1524.2020.03.18

浙江农业学报 ›› 2020, Vol. 32 ›› Issue (3): 518-526.DOI: 10.3969/j.issn.1004-1524.2020.03.18

基于GIS的油菜播种控制系统设计与试验

张金然¹, 李存超¹, 李询¹, 孙国峻¹, 何瑞银^1,*, 魏清²

1.南京农业大学工学院,江苏省智能化农业装备实验室,江苏南京 210031;
2.高淳区禾田坊谷物种植家庭农场,江苏南京 210031

收稿日期:2019-09-16 出版日期:2020-03-25 发布日期:2020-04-03
通讯作者: *何瑞银,E-mail: ryhe1986@163.com
作者简介:张金然(1994—),男,内蒙古赤峰人,硕士研究生,主要从事智能装备研究。E-mail:zjr1337666327@163.com
基金资助:
国家重点研发计划(2016YFD0300908); 高淳禾田坊谷物种植油菜全产业链产学研合作示范基地(2019RHJD212)

Design and experiment of precise seeding control system for rapeseed seeding machine based on GIS

ZHANG Jinran¹, LI Cunchao¹, LI Xun¹, SUN Guojun¹, HE Ruiyin^1,*, WEI Qing²

1.Jiangsu Key Laboratory for Intelligent Agricultural Equipment, College of Engineering, Nanjing Agricultural University, Nanjing 210031, China;
2.Hetianfang Grain Family Farm in Gaochun District, Nanjing 210031, China

Received:2019-09-16 Online:2020-03-25 Published:2020-04-03

摘要/Abstract

摘要： 针对江苏稻油轮作模式下由于水稻土壤湿黏导致地轮打滑而造成的漏播等问题,设计一套电控排种系统,对现有机械式油菜复式播种机进行自动化改造。播种作业时,该系统可根据计算机加载的播种作业信息、地图数据和实时获取的GPS位置信息确定当前播种参数,并发送到主控制器,经处理后,运用比例积分微分控制算法结合目标穴距和播种机前进速度,使用直流电机控制排种轴的旋转速度,实现油菜精准播种。试验结果表明,该系统控制电机转速的变异系数最大值为4.85%,台架试验中穴距变异系数的最大值为15.28%,较传统播种精度明显提高,且系统工作响应及时。

关键词: 油菜播种机, 播种控制, 田块定位

Abstract: Under the rice-oil rotation model in Jiangsu Province, an electric control seeding system was designed to solve the leakage problem during seeding caused by the ground wheel slippage due to the wetness of rice soil, and the automation transformation of the current mechanical double seeder for rapeseed was conducted. In the proposed system, the seeding parameters were determined and sent to the main processing controller according to the computer-loaded sowing operation information, map data and real-time acquired GPS position during the seeding operation, and the PID control algorithm was introduced. The closed-loop control algorithm combined the target hole distance and the forward speed, and used a DC motor to control the rotation speed of the seeding shaft to achieve accurate seeding of rapeseed. The test results showed that the highest variation coefficient of motor rotation speed was 4.85%, and the highest variation coefficient of the target hole distance in the bench test was 15.28%, which was higher than that of the traditional method, and the work response time was short.

Key words: rapeseed seeding machine, seeding control, field orientation

中图分类号:

S223.2

张金然, 李存超, 李询, 孙国峻, 何瑞银, 魏清. 基于GIS的油菜播种控制系统设计与试验[J]. 浙江农业学报, 2020, 32(3): 518-526.

ZHANG Jinran, LI Cunchao, LI Xun, SUN Guojun, HE Ruiyin, WEI Qing. Design and experiment of precise seeding control system for rapeseed seeding machine based on GIS[J]. , 2020, 32(3): 518-526.

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基于GIS的油菜播种控制系统设计与试验

Design and experiment of precise seeding control system for rapeseed seeding machine based on GIS

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