Deggendorf Institute of Technology and Passau University shape future of E-mobility20170202 electrific


Against the backdrop of the EU programme “Horizont 2020”, scientists of the Deggendorf Institute of Technology (DIT) and Passau University teamed up to create a more attractive and sustainable consumer usage of electric vehicles.


The focus is on easier charging, longer battery life and better integration into the electric supply mains, also in regard to renewable energy. “Electrific” is an inter-disciplinary Europe-wide project with a planned runtime of three years.

Range is usually the weak link in the chain of electric vehicles. This is also due to the behaviour of users. E. g.: a driver must take their children to school the next day, and then drive to work, afterwards to the supermarket and to the dry cleaner’s. The driver already has a strict itinerary in their head and tends to fully charge the battery before the ride and quickly re-charge before going back home. Both behaviours are damaging the longevity of the battery in the long run.

The scientists are cooperating to develop an intelligent navigation system, the “Advanced Driver Assistance System” (ADAS), which is to boast the following features:

  • It suggests battery-friendly charging times and places; e.g. the gas station next to the dry cleaner’s if the battery needs to be charged.
  • The system includes real-time information about the supply mains. It shows the driver a route that benefits energy from renewable resources.
  • It calculates the load curve of the local main supply and the weather forecast to avoid voltage fluctuations in the grid. As the energy grid could be destabilized or even fail if a million e-cars are on the road in Germany by 2020.

Information about the capacity of the energy grid, the quality of electricity and the optimal charging time are analysed by the Passau team and sent to the intelligent navigation system. The scientists develop adaptive algorithms that – depending on the information – make decisions and apply them to different situations.

The navigation system could suggest changes to the route depending on the weather. If the forecast says there will be sun at the supermarket at 2 p.m., it could make sense to recharge sooner than planned. As a result, the percentage of solar energy in the charging point would be significantly larger and the electricity in the battery, therefore, much more environmentally friendly. The battery can be recharged while the driver does his errands.

Deggendorf focuses on battery-friendly charging processes

The Deggendorf scientists work on battery-conserving charging methods and processes for the improvement of battery aging. “Knowing the driver and their habits, i.e. the requirements they have, the stress on the batteries on recharging can be minimized.” said Prof. Dr. Andreas Berl, head of the “Electrific” project at DIT. Prof. Berl can build upon the experience gained from the E-WALD project. The necessary data are collected and analysed by the InCarApp that was developed at DIT and is installed in the E-WALD fleet. The pilot projects are carried out in three regions (the Bavarian Forest, Šumava in the Czech Republic and Barcelona, Spain).

Passau researches the integration into the electric supply mains

Prof. Dr. Ing. Hermann de Meer’s explanation of the partial project is that “for us there are four dimensions of optimization we are focusing on: on the one hand, we are looking for technological solutions that are as battery-saving as possible. Furthermore, the recharging process needs to become more main-supply-friendly in general, to ensure that e-mobility does not negatively affect the stability of the power grid. Currently, another weak link in e-mobility is the integration of energy from renewable resources. That is another area where we intend to show up solutions and control mechanisms. And last but not least we also consider the driver’s interest, particularly suitable incentives.

Psychologists and experts in business informatics are working on psychological and economic incentives, such as bonuses and price discounts at the charging points, to create acceptance in the drivers for the proposed changes and concepts. 

The EU project “Electrific” is a cooperation of 11 European partners trying to create a more attractive and sustainable e-mobility concept. The project partners are:

- GFI ADELIOR (Belgium) coordinator
- University Mannheim
- Deggendorf Institute of Technology
- University Passau
- Czech Technical University in Prague
- has-to-be GmbH (Austria) – Expertise in charging infrastructure backend
- Agencia de Ecologia Urbana de Barelona Consorcio (Spain)
- Bayernwerk AG – Energy supplier / cooperation partner E-WALD GmbH
- e-Šumava (Czech Republic)

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