Business Cars to spend less time being repaired, thanks to Diana

Business Cars to spend less time being repaired, thanks to Diana

2013/08/05

That bugbear of motorists – the  time the car spends in the repair shop – will be reduced thanks to DIANA.

DIANA is a research project involving Audi, Continental, Infineon,  ZMDI , the Fraunhofer Institute for Integrated Circuits in Dresden, the Bundeswehr University in Munich and the Universities of Cottbus, Erlangen-Nuremberg and Stuttgart.

The project  looked at ways to improve the analytical and diagnostic ability in electronic control units (ECUs) in vehicles.

Methods have been created that enable more differentiated detection of errors and, in turn, make correction of these errors in the repair shop much faster

On average a modern car makes use of 80 ECUs, and in premium class vehicles there could even be a hundred or more. Experience has shown that it is not possible to establish beyond doubt the precise cause behind many of the errors reported by the vehicle’s electronic system.

Often the repair shop has no alternative but to try to narrow down the definition of the error by systematically replacing system components until, in this way, the error is ultimately remedied.

Thanks to DIANA,  electronic errors in automobiles will be identified much faster, meaning that they can be repaired more efficiently.

The decisive factors behind this achievement are the methods of quality control deployed in semiconductor production. These methods have been further developed by the DIANA research partners so that the chips incorporated into automobiles can be directly used for the vehicle’s own diagnostic system.

As a result, the ECUs in the vehicle can constantly monitor themselves both before and while the vehicle is driven. On the basis of these continuously gathered, self-diagnostic data, it is possible to detect errors at an early stage of development because the diagnostic data are passed on in pre-processed form to the ECU’s higher-level system components.

This is a significant benefit to the mechatronics engineers in the repair shop when they have to diagnose errors.

If this diagnostic technology proves reliable in automobiles, there is scope for applications in other fields in which safety is important, e.g. in other forms of transport such as trains and airplanes or also in medical technology.

The DIANA project received roughly Euro 4.8 million in support from Germany’s Federal Ministry of Education and Research (BMBF) as part of the government’s high-tech strategy and “Information and Communication Technology Program 2020″ (IKT 2020).

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