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2017
Conference Paper
Titel
Multiaxial vibration testing of inertia force related components of ev
Abstract
In currently available Battery Electric Vehicles (BEVs) the rechargeable energy storage system (RESS) contributes highly to the overall mass and cost of the vehicle. Hence, its validation is a critical part of the overall product development process. In this context the RESS has to undergo severe multiphysical testing for guaranteeing a high level of system reliability. This paper shows how to compose realistic driving loads for BEVs, to point out their difference to the loading of conventional vehicles and to perform precise experimental simulation of real-world driving scenarios in a multiphysical battery testing lab environment at Fraunhofer LBF. Here, the methods for system performance and reliability validation of RESS focus on the experimental simulation of mechanical vibration loads by presenting the complete process having system identification, drive-file iteration, test-time shortening and the final assessment and evaluation of the results. Thereby, new testing procedures lead to significant cost and time reduction of RESS system validation and help battery and vehicle developers to propel the overall development process.
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