In this project, research is being carried out on efficient and reliable ways to diagnose and repair high voltage systems in electric vehicles.The aim here is to clearly detect errors using error patterns and modularise repair. A crucial factor for the economic breakthrough of electric vehicles is a competitive repair concept in the customer service area. Positive acceptance on the part of the customer can only take shape when the high voltage system in the electric vehicle can be mastered dependably, safely, and in a cost-efficient way.
In the project “Diagnosis and repair for electric vehicles (DINA)”, research is being carried out on efficient and reliable diagnosis possibilities and repair concepts for high voltage systems in electric vehicles. The aim here is the clear detection of errors using error patterns and the modularisation of repair. Based on the analysis of individual components, a comprehensive diagnosis system is to be developed. In this, the individual components of the high voltage system in the electric vehicle, such as the high voltage battery, the inverter, the motor, the charging system and other high voltage connection elements are to be specifically analysed. By analysing the components in the overall system and ascertaining the way in which they interact with one another as well as the resulting error patterns, complex error interdependencies can be detected and modelled.
The models developed and the error patterns of the diagnosis concept will prove to be a benefit to vehicle manufacturers and suppliers. They will help in the development of current systems and aid test organisations in the clear analysis of an electric vehicle’s condition. The repair concept to be developed will help make repairs on electric vehicles quicker and more cost-efficient, and to improve the safety of workshop personnel.
Funded by the Federal Ministry of Education and Research (BMBF)