products le drivability development. Up to 30 engineers typically work on a calibration project over a period of one to two years – often based in different global locations. Despite the large amounts of data and the number of engineers participating in the project, there must be a guarantee when data is released that all parameters have been processed and that the values of the parameters represent the best possible solutions. It is particularly necessary to have a clearly defined process, when more than one engineer accesses and changes a label to achieve different, possibly conflicting targets, for example cold start versus emissions during engine start. CRETA provides clarity in the process by assigning unambiguous access rights and responsibilities. Calibration errors and glitches just before delivery can be detected and avoided, and even recalls prevented, thanks to automatic double-checks and simple comparison graphics. “Today, it is not just about managing the tremendous growth in the number of variants in projects, it is also about clustering the calibration work-packages, which is an indispensable topic to reduce costs and increase quality”, says Gianluca Vitale, skill team leader for diesel engine calibration. “Today CRETA is practically the standard for diesel and gasoline engine calibration”. < 3 1 F o c u s AVL CRETA – The Pinnacle of Data Management Increased standardization in the automotive industry is causing OEMs to implement identical powertrain components in a wide range of vehicles. Since vehicle-specific adaptations are required, it is normal to find up to 300 vehicle variants, each requiring individual calibration. Modern vehicles have up to 60,000 calibration parameters and – depending on the control units – each could possibly contain a few hundred values. In addition to this, the management systems for all powertrain relevant components (e-motor, transmission, battery, etc.) in modern powertrain concepts must be consolidated into a whole, in order to be able to obtain consistent statements concerning the total calibration status and its quality. Thomas Dobes, Head of Gasoline Engine Development and Calibration, was the first to have the idea of a tool such as CRETA and shaped the product from its very beginnings. “The task of calibration is no longer doable without a modern data management tool that also supports the development process,” he reports. “For this reason, AVL started development ten years ago on a central process management system for calibration. A huge advantage for AVL while developing this tool is that we deal intensively with calibration on a daily basis and therefore we know the requirements for such a product”. CRETA supports every step in the calibration process, from base calibration on the test bed up to vehic- With more than 6,000 users, AVL CRETA is the world’s leading data management system in the vehicle calibration sector.
Focus 2013 1 E
To see the actual publication please follow the link above