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Modelling and simulation of a no-till seeder vertical motion dynamics for precise seeding depth

Published online by Cambridge University Press:  01 June 2017

G. Sharipov ,
D. S. Paraforos  and
H. W. Griepentrog
G. Sharipov*
Affiliation:
University of Hohenheim, Institute of Agricultural Engineering 440d, Garbenstr. 9, 70599, Stuttgart, Germany
D. S. Paraforos
Affiliation:
University of Hohenheim, Institute of Agricultural Engineering 440d, Garbenstr. 9, 70599, Stuttgart, Germany
H. W. Griepentrog
Affiliation:
University of Hohenheim, Institute of Agricultural Engineering 440d, Garbenstr. 9, 70599, Stuttgart, Germany
*
†E-mail: [email protected]
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Abstract

One of the significant obstacles in achieving a reliable seed germination and even plant field emergence in no-till seeding is a variation in the desired seeding depth. This is caused by the inappropriate response of the seeder motion dynamics to harsh soil conditions and to high operating speed. In order to assess the dynamic response of a no-till seeder, a mathematical model, which simulated the vertical motion of a seeding aggregate, was developed. A correlation between the simulated and the measured parameters resulted in a root-mean-squared (RMS) error of 17.2% and 6.4% for impact force and pitch angle, respectively. The simulated impact force frequencies of interests were detected at the critical frequencies of the measured forces with high coherence values.

Keywords

Impact forcesseeder dynamics simulationcritical frequencies
Type
Tillage and Seeding
Information
Advances in Animal Biosciences , Volume 8 , Special Issue 2: Papers presented at the 11th European Conference on Precision Agriculture (ECPA 2017), John McIntyre Centre, Edinburgh, UK, July 16–20 2017 , July 2017 , pp. 455 - 460
Copyright
© The Animal Consortium 2017 

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