Periodical inspection of electronically controlled systems on vehicles : programme summary report.
20070492 ST [electronic version only]
International Motor Vehicle Inspection Committee (CITA), Working Group VII DEKRA RWTH Aachen, Institut für Kraftfahrwesen Svensk Bilprovning Transport Research Laboratory TRL TÜV Nord & TÜV Rheinland/Berlin-Brandenburg
Brussels, International Motor Vehicle Inspection Committee (CITA), Working Group VII, 2002, 39 p.
|Samenvatting||Electronically controlled systems of increasing complexity are being fitted in growing numbers to new vehicles. Vehicle safety and environmental protection is increasingly dependent on the proper functioning of these systems. At present there is insufficient data about the reliability of electronically controlled systems and little information about how they could be checked during periodical and other inspections in the event that this was found necessary. This programme aimed to address these deficiencies by collecting reliability data about current systems and by examining their performance in order to develop possible test procedures for use in periodical and other inspections. The cost benefit case for such tests has also been examined. The programme had 4 work packages and a co-ordinating group. The programme of studies aimed to: 1. Collect reliable and statistically significant data on failure rates and modes for electronically controlled systems on vehicles currently in use. As well as helping to establish whether there is a need for the introduction of tests on electronic systems into periodical inspection, this work also aimed to provide information on the priority order for the detailed investigations into particular systems and to provide information that might be used to estimate the reliability of future electronically controlled systems. 2. For a number of systems that are already in use or are currently coming onto the market – (a) investigate how they perform in a variety of situations and, where appropriate, examine the performance of components that have been in service for some time; and (b) either develop, or make recommendations for further work to develop, test procedures and, if necessary, test equipment that would enable critical functions to be checked during periodical and other inspections of vehicles in use. The work was divided into four work packages as follows – 1. Inventory of current systems, collection of reliability data and cost-benefit case for inspections 2. Airbags 3. Existing anti-lock braking systems 4. Vehicle dynamic controllers. (Author/publisher)|
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