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Transferring agricultural machines from field to the laboratory for emission check

Engelmann, Danilo; Becker, Simon; Stirnimann, Roger

Abstract (englisch):
Mobile machines are very versatile and different in their design and in the tasks they can
handle. Tractors for example can be combined with different implements to work in agricultural
processes. This variety must be considered during development, testing and inspection of
exhaust gas aftertreatment systems. In this paper, one approach conducts In-Use
measurements during field operation of a tractor with implement. While this takes
environmental influences into account, In-Use measurements are barely reproducible,
although tests on a chassis dynamometer are highly reproducible. Known road load simulation
techniques for cars are not transferrable for mobile machines on chassis dynamometers due
to different drivetrain topologies and changing parameters during field operation. To transfer
field measurements to the roller test bench in the laboratory, a method is proposed to control
the vehicle speed and motor torque to the same values recorded in the field.

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Postprint §
DOI: 10.5445/IR/1000099897
Frei zugänglich ab 09.11.2020
Zugehörige Institution(en) am KIT Institut für Fahrzeugsystemtechnik (FAST)
Publikationstyp Proceedingsbeitrag
Publikationsdatum 08.11.2019
Sprache Englisch
Identifikator ISBN: 978-3-18-092361-1
KITopen-ID: 1000099897
Erschienen in LAND.TECHNIK AgEng 2019, VDI Wissensforum GmbH
Veranstaltung 77. Internationale Tagung LAND.TECHNIK (2019), Hannover, Deutschland, 08.11.2019 – 09.11.2019
Verlag VDI Verlag GmbH, Düsseldorf
Seiten 479 - 487
Serie VDI-Berichte ; 2361
Schlagwörter PEMS, In-use measurements, chassis dynamometer, AARP
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