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Proportional distribution method for estimating actual grain flow under combine harvester dynamics
Wang H(王鹤); Bai XP(白晓平); Liang HB(梁宏斌)
Department数字工厂研究室
Source PublicationINTERNATIONAL JOURNAL OF AGRICULTURAL AND BIOLOGICAL ENGINEERING
ISSN1934-6344
2017
Volume10Issue:4Pages:158-164
Indexed BySCI
WOS IDWOS:000406939700016
Contribution Rank2
Funding OrganizationNature Science Foundation of Liaoning Province, China [2015020128]
KeywordGrain Flow Combine Harvester Estimation Method Proportional Distribution Time Delay Yield Map Yield Monitoring Sensor
AbstractThe yield monitors use a constant delay time to match the grain flow with location. Therefore, mixing and smoothing effects on the grain flow are neglected. Although constant time delay compensates for time mismatch, actual grain flow at a combine harvester head is not equal to the grain flow measured by a sensor due to the dynamics effects. In order to eliminate the dynamics effects, a new method for estimating actual grain flow, called proportional distribution (PD), is proposed. This method assumes that actual grain flow is directly proportional to the feedrate. Based on this assumption, the actual grain flow results from redistributing accumulated grain mass over a certain time according to the profile of the feedrate. The PD can avoid the dynamics effects because the feedrate is measured at a combine harvester's head. Compared with constant time delay, the proposed method can effectively estimate actual grain flow and be applied to improve the accuracy of yield maps.
Language英语
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
WOS SubjectAgricultural Engineering
WOS KeywordYIELD ; ACCURACY ; SENSOR ; MODEL
WOS Research AreaAgriculture
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Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/20848
Collection数字工厂研究室
Corresponding AuthorWang H(王鹤)
Affiliation1.School of Mechanical Engineering and Automation, University of Science and Technology Liaoning, Anshan 114051, China
2.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
Recommended Citation
GB/T 7714
Wang H,Bai XP,Liang HB. Proportional distribution method for estimating actual grain flow under combine harvester dynamics[J]. INTERNATIONAL JOURNAL OF AGRICULTURAL AND BIOLOGICAL ENGINEERING,2017,10(4):158-164.
APA Wang H,Bai XP,&Liang HB.(2017).Proportional distribution method for estimating actual grain flow under combine harvester dynamics.INTERNATIONAL JOURNAL OF AGRICULTURAL AND BIOLOGICAL ENGINEERING,10(4),158-164.
MLA Wang H,et al."Proportional distribution method for estimating actual grain flow under combine harvester dynamics".INTERNATIONAL JOURNAL OF AGRICULTURAL AND BIOLOGICAL ENGINEERING 10.4(2017):158-164.
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