Three-point hitch-mechanism instrumentation for tillage power optimization

被引：33

作者：

Bentaher, H. ^{[1
]}

Hamza, E. ^{[2
]}

Kantchev, G. ^{[3
]}

Maalej, A. ^{[3
]}

Arnold, W. ^{[4
]}

机构：

[1] Olive Tree Inst, Sfax 3000, Tunisia

[2] Natl Agron Inst Tunis, Tunis, Tunisia

[3] Natl Engn Sch Sfax, PBW, Sfax 3000, Tunisia

[4] Fraunhofer Inst Non Destruct Testing IZFP, D-66123 Saarbrucken, Germany

来源：

BIOSYSTEMS ENGINEERING | 2008年 / 100卷 / 01期

关键词：

D O I：

10.1016/j.biosystemseng.2008.01.008

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

In order to study tillage power optimization, a tillage-force measuring system has been built with transducers in the three-point hitch mechanism, and then has been calibrated and tested in the field. The uniqueness of this system is its ability to measure the three orthogonal components of the tillage force despite using only three force sensors; this was possible by using a three-dimensional analysis of the tractor linkage mechanism. A dynamic calculus program was developed to take into consideration the changes of the three-point hitch-mechanism geometry during the tillage operation. The calibration results showed a linear relation between the applied and the measured forces. The preliminary field tests proved the stability of the system results. The developed system can readily be applied in studies to minimize tillage energy consumption. (c) 2008 IAgrE. Published by Elsevier Ltd. All rights reserved.

引用

页码：24 / 30

页数：7

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