Evaluation of alternative short tests for inspection and maintenance programs of in-use cars in Europe

SAMARAS ; ZACHARIADLS ; JOUMARD ; VERNET ; HASSEL ; WEBER ; RIJKEBOER

Type de document
COMMUNICATION ORALE SANS ACTES (COM)
Langue
anglais
Auteur
SAMARAS ; ZACHARIADLS ; JOUMARD ; VERNET ; HASSEL ; WEBER ; RIJKEBOER
Résumé / Abstract
The paper presents the first results of a project aimed at the evaluation of a number of short tests that can be alternatively used for inspection and maintenance of the in-use cars emissions performance. For this purpose a large number of in-use passenger cars from four European countries was tested according to a test protocol that included a wide selection of short tests (idle and fast idle tests, a steady state loaded test and short transient loaded tests), in addition to the legislated new European driving cycle and a number of real-world cycles. The test results were statistically analysed in a number of different combinations, with the objective to define a set of reasonable cutpoints, taking into account various criteria such as errors of commission, errors of omission, excess emitter identification rate and excess emission identification rate.

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