Experimental Study on Consistency of Different PEMS Devices
The experimental object is a heavy duty vehicle fueled with diesel. The PEMS test was carried out in the environmental room with the chassis dynamometer to study the consistency of different PEMS equipment. The four kinds of PEMS equipment were used to detect the same vehicle. The environmental room can simulate the conditions at an altitude of 2400 m, 2000 m, temperature −7 °C and the normal temperature and pressure conditions. The test used the 1800 s world transient vehicle cycle (C-WTVC) and measure 4 cycles continuously. The test results are compared and analyzed with the results of HORIBA-CVS at the same conditions. Finally, the consistency of CO2, CO, NOx, PN via different PEMS were studied under different environment conditions. This study has guiding significance for the application of PEMS equipment in emission testing of China’s sixth stage.
KeywordsPEMS Emission test Consistency Comparison test
This work was supported by the National Key R&D Program of China (2016YFC0208002).
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