Alternative short tests for inspection and maintenance of in-use cars with respect to their emissions performance
SAMARAS ; ZACHARIADLS ; JOUMARD ; VERNET ; HASSEL ; WEBER ; RIJKEBOER
Type de document
CHAPITRE D'OUVRAGE (CO)
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.
