Transfer of agricultural work operation profiles to a tractor test stand for exhaust emission evaluation

摘要: Exhaust gas emissions of combustion engines can be harmful to the environment, climate, and human health. Hence, emission limits have been increasingly reduced over last few years, new dynamic test cycles for stands introduced. Recently, legislation was extended by adding testing procedures during real-world operations. The recording so-called real driving (RDE) with portable measurement systems (PEMS) is complex, especially non-road applications, such as tractors. Emission-relevant sites environmental conditions vary widely, RDE measurements PEMS are limited an observation period only a hours. This paper presents feasible methodology determine exhaust specific tractor operations that representative longer periods. Based on long-term recorded GPS data, well engine control unit (ECU) speed torque data from tractor, six work-specific were developed transferred stand. By comparing ECU stand field operations, quality procedure assessed. Emission conducted. Nitrogen oxides (NOX), carbon monoxide (CO), hydrocarbons (HC), particulate matter (PM) number (PN) works considered rapeseed oil (DIN 51605) diesel fuel (CEC RF 06-03) lower under operation than those when applying legal transient cycle (NRTC). results show using instead offers huge potential reducing greenhouse emissions.