FEV creates advantages through flexible test interface for battery modules

Author: Marius Strasdat

Published:

Press

3 Min. Reading Time

Aachen, Germany, April 2021 – FEV Software & Testing Solutions, responsible for the realization of software and test applications within the FEV Group, has developed T-BMS (Testbench Battery Management System), a standardized interface solution for battery module testing on test benches. The special feature of T-BMS is the simple calibration of the system, which enables the test operation of different battery modules. There is no need for time-consuming conversion and adaptation work on the test equipment. This saves costs in the battery development process and shortens time-to-market.

As the demand for battery electric vehicles increases, so do the challenges for efficient battery systems. To support OEMs in this task, FEV has developed the T-BMS test system – a standardized interface in the battery development process between the battery modules to be tested and the test bench.

By integrating BMS customer functions such as SoC (State of Charge) or Power Prediction, it is also possible to test the battery modules under the same boundary conditions, which will later be specified by the battery management system (BMS) in the vehicle. This enables meaningful results to be obtained for the future system and saves valuable development time for the customer.

“FEV has already been developing battery control units for various cell types for many years in accordance with the strict specifications of the automotive industry, among others,” said Dr. Michael Stapelbroek, Vice President Electronics & Electrification at FEV. “With T-BMS, we now provide our customers with a device for their test procedures that can be integrated into existing systems and easily calibrated – without time-consuming conversion measures and with reduced testing effort at module and pack level.”

T-BMS is already succesfully in use in the development and safeguarding of battery systems at various automakers.

T-BMS overview:

  • Modular and flexible test system for battery modules
  • Monitoring of cell voltage, temperature and current
  • Cell balancing and contactor Control
  • Customer functions for State-of-Charge (SoC) and State-of-Power (SoP) can be implemented and tested on a real battery module
  • FEV‘s Cell Monitoring Unit (CMU) or customer solutions can be used
  • All relevant battery module parameter can be calibrated via FEV Calibration Tool
  • Creation of test procedure in UI
  • Recording and evaluation of measurement data

 

About FEV

FEV has always pushed the limits.
FEV is a globally leading engineering provider in the automotive industry and internationally recognized leader of innovation across different sectors and industries. Professor Franz Pischinger laid the foundations by combining his background in academia and engineering with a great vision for continual progress. The company has supplied solutions and strategy consulting to the world’s largest automotive OEMs and has supported customers through the entire transportation and mobility ecosystem.

As the world continues to evolve, so does FEV.
That’s why FEV is unleashing its technological and strategic expertise into other areas. It applies its forward thinking to the energy sector. And its software and system know-how will enable the company to lead the way making intelligent solutions available to everyone. FEV brings together the brightest minds from different backgrounds and specialties to find new solutions for both current and future challenges.

But FEV won’t stop there.
Looking ahead, FEV continues to push the limits of innovation. With its highly qualified >7,500 employees at more than 40 locations globally, FEV imagines solutions that don’t just meet today’s needs but tomorrow’s. Ultimately, FEV keeps evolving – to a better, cleaner future built on sustainable mobility, energy and software that drives everything. For the company’s partners, its people and the world.

#FeelEVolution

About FEV STS

FEV Software and Testing Solutions (STS) is responsible for the realization of software and testing solutions within the FEV Group. STS develops state-of-the-art test benches and measurement technologies as well as software solutions that help transfer essential product development processes from the road to the test bench or to a simulation. FEV STS services are offered worldwide, with local teams available for on-site support.

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