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요약정보
棉花打顶台架的试验与研究 / The Experiment and Research of the Top Shelf of Cotton
Resource Type
Academic Journal
Authors
宋欢
;
王维新
;
李霞
;
沈晓晨
;
程福祥
;
闫毅敏
;
Song Huan
;
Wang Weixin
;
Li Xia
;
Shen Xiaochen
;
Cheng Fuxiang
;
Yan Yimin
Source
农机化研究 / Journal of Agricultural Mechanization Research
. 40(10):131-138
Subject
棉花打顶机
台架
步进升降
Language
Chinese
ISSN
1003-188X
Online Access
Find it @ DONGA
초록
针对传统棉花打顶机升降系统响应慢和精度低等问题,基于电动自适应升降的控制原理设计出棉花打顶机试验机型,阐述了其结构和工作原理,设计了限位电路并制定出可行的工作模式,采用中心组合试验方法建立出响应时间与台车速度、工作电流、升降高度的回归方程.试验结果表明:台车速度与升降高度均对系统响应时间的影响极显著,工作电流对其为显著;最优工作参数组合为台车速度为0.625m/s,工作电流为3A,升降高度为130mm,对应的响应时间为1.18s.经过模型验证,实测响应时间平均值1.23s,与预测值相比仅有4.06%的误差,表明此优化方案可行,可为进一步研究步进升降控制系统奠定理论基础.
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