Acta Univ. Agric. Silvic. Mendelianae Brun. 2015, 63(1), 123-129 | DOI: 10.11118/actaun201563010123
The Effect of EHR System Setting on Fuel Consumption and Tractor Engine Speed Variation
- Department of Technology and Automobile Transport, Faculty of Agronomy, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic
The work is aimed on possibilities of fuel consumption reduction via EHR system setting with the influence on tractor engine speed variation. During tractor utilization in agricultural applications fuel consumption is measured and evaluated. The main objective of this text is fuel consumption reduction verification. Firstly, article describes tractor engine parameters acquirement. Complete engine characteristic is obtained from laboratory experiments. This was essential step for lowest fuel consumption area detecting. Next, the principle of EHR system function is clarified. Then connection between complete engine characteristic and EHR system setting interaction is mentioned and the aim of field measurement is set. Another part is devoted to field measurement conditions and EHR system setting. This part is essential for the possibility of field measurement re-examination. Deep plowing with John Deere 6920S and Lemken Vari Diamant 10 was realized. The EHR various settings were examined and their effect on tractor engine speed variation was observed.
The results show possibility of fuel consumption reduction. The properly chosen aggregation of tractor power and plough type with correct electro-hydraulic system setting brings fuel consumption reduction. This conclusion may be used for fuel savings in global scale for better economic utilization of tractor.
Keywords: EHR system, fuel consumption, three-point hitch, draft control, position control, engine speed variation
Grants and funding:
The research has been supported by project TP 4/2014; Analysis of degradation processes of modern materials used in agricultural technology; financed by IGA AF MENDELU. This study was supported and financed by the internal grant agency of the Mendel University in Brno - Faculty of Agronomy, No. IP 15/2014.
Prepublished online: March 14, 2015; Published: April 1, 2015 Show citation
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