|本期目录/Table of Contents|

[1]陈满,施印炎,汪小旵,等.冬小麦双变量施肥控制策略研究[J].江苏农业科学,2018,46(11):58-62.
 Chen Man,et al.Study on bivariate control fertilization strategy for winter wheat[J].Jiangsu Agricultural Sciences,2018,46(11):58-62.
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冬小麦双变量施肥控制策略研究(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第46卷
期数:
2018年第11期
页码:
58-62
栏目:
遗传育种与耕作栽培
出版日期:
2018-06-05

文章信息/Info

Title:
Study on bivariate control fertilization strategy for winter wheat
作者:
陈满12 施印炎1 汪小旵13 孙国祥13 鲁伟1
1.南京农业大学工学院,江苏南京 210031; 2.农业部南京农业机械化研究所,江苏南京 210014;
3.江苏省现代设施农业技术与装备工程实验室,江苏南京 210031
Author(s):
Chen Manet al
关键词:
冬小麦双变量查表法变量施肥M-估计
Keywords:
-
分类号:
S224.22;TP271
DOI:
-
文献标志码:
A
摘要:
为实现冬小麦田间精准变量施肥,针对自行研制的基于光谱技术的冬小麦追肥机械的控制特性,构建双变量控制模型,研究确定系统最优控制策略。采用Bisquare估计稳健回归分析变量施肥机构的控制模型,在此基础上,从转速优先控制、开度优先控制以及双变量自适应控制3个方面研究分析变量施肥控制策略。为了兼顾变量施肥执行效率与控制精度,最终构建变量施肥控制序列查询表,通过查表法来实现双变量自适应控制。结果表明,通过查表法可以快速地获得目标转速和开度的控制量,然后将其输入模糊PID控制器中,运行模糊PID控制算法能够实现双变量精确控制,其中转速控制误差低于12.83%,平均误差小于9.84%;开度控制误差低于13.57%,平均误差小于934%。由此可见,本研究构建的变量控制模型与策略性能良好,可以满足冬小麦精准变量施肥的技术要求。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2017-01-06
基金项目:国家科技支撑计划(编号:2013BAD08B04-8)。
作者简介:陈满(1985—),男,福建福清人,博士,助理研究员,从事智能农业装备与自动化控制研究。E-mail:chm_world@163.com。
通信作者:汪小旵,博士,教授,博士生导师,主要从事智能农业装备与控制研究。E-mail:wangxiaochan@njau.edu.cn。
更新日期/Last Update: 2018-06-05