Energy Management & Drivetrains

At ika, the development of vehicle drives has been a long-standing research area. Research and development in this sector are of paramount importance as we aim to create a future where mobility is environmentally sustainable and cost-effective, independent of fossil fuels. To achieve this, we work on two fronts: optimizing conventional systems, such as battery electric systems, and developing forward-thinking concepts.

Our approach goes beyond energy requirements; it is centered on meeting the needs of vehicle users. Factors like application scenarios, cost reduction, sustainability, and enhanced comfort are equally significant, directly influencing vehicle energy demands.

Scenario-Oriented Drive Development

We employ cutting-edge development methodologies and tools, encompassing everything from system design to in-house prototype testing. Our tailored methodologies aid in defining requirements at the project's inception, facilitating the discovery of suitable solutions. To cater to the diverse demands of stakeholders, including manufacturers, users, and legislators, we anchor our work in various scenarios, capable of anticipating medium- and long-term trends. Our investigations extend extensively to electrified drive systems, spanning from purely battery-electric concepts to alternatives like overhead lines and fuel cells.

For comprehensive, quantitative assessments of new systems during the conceptual phase, we rely on computer programs such as MATLAB/Simulink for longitudinal dynamics simulations and FE and CFD software for component-level analysis. These simulations are instrumental in exploring a wide solution space and optimizing components for an efficient holistic system.

Thermal Management

Regardless of the drive concept, vehicles generate waste heat that is currently only partially utilized for heating purposes. Innovative approaches can harness this waste heat to reduce the strain on energy-intensive auxiliary units, such as air-conditioning compressors, thereby enhancing overall vehicle efficiency.

In the development of drive concepts like battery-electric vehicles, thermal management plays an increasingly central role due to rising cooling requirements for electrical storage units. Simultaneously, available waste heat is diminishing. This presents a challenge, as heating and dehumidification demands for comfort and safety reasons remain substantial. With decreasing waste heat, additional components must be provided to meet heating and dehumidification needs. However, these additional components increase system costs and reduce vehicle efficiency. Therefore, we are researching new air conditioning concepts and innovative control strategies to harmonize efficiency and comfort.

Electrics/Electronics

Our involvement in automotive energy systems ranges from integrating new vehicle technologies to devising innovative energy management mechanisms and protection concepts. We perform specific investigations using simulation tools to design the vehicle electrical system. Testing of developed algorithms and the analysis of fault cases are conducted in the on-board power supply laboratory or directly in the vehicle. We utilize tools like MATLAB/Simulink for functional algorithm development and automated C code generation for microcontroller-based control units.

We are at the forefront of research in implementing service-oriented software architectures and communication interfaces for vehicle components.

Prototype Construction in Our Workshops

In our design department, we create essential 3D CAD models, complemented by calculations and dimensioning of required components. Prototype construction for mechanical, fluidic, and electrical/electronic components takes place in our well-equipped workshops. For software development, we employ tools that enable code generation at ECU level directly from the simulation environment. Furthermore, we consider diagnostics and functional safety for series applications. Various component and system test benches, along with our dedicated test track, facilitate testing and optimizing newly developed prototypes.

Range of Services

Apart from handling complete development projects, we offer individual development process steps as standalone services. Our standard services include simulation calculations, technical assessments, hardware and software development, algorithm creation, as well as partially and fully automated test bench investigations. Our scope of activities in the field of energy management and drivetrains also includes advanced studies, research for government ministries, and support for fleet tests. Recognizing the significant industry changes, we conduct seminars for training and continuing education.

Selected Projects

autotech.agil

© Institute for Automotive Engineering (ika) - RWTH Aachen University / Lutz Eckstein Electric, connected and automated. The transformation of road traffic wants to be actively shaped and contribute …

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Current Projects

Integral Steering and drive module

Konzeption und Prototyp eines integralen Lenk- und Antriebsmoduls

The introduction of x-by-wire systems and the associated mechanical separation of actuators and control elements enables the development of very compact chassis modules with its own actuators. The corner …

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HiVEP

High-Voltage fast-chargig efficient electric vehicle powertrains

The HiVEP project is an innovative initiative aimed at transforming battery electric vehicle (BEV) efficiency and performance through cutting-edge high-voltage powertrain technologies. Focused on mass-market …

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RESiLiTE

The RESiLiTE project (Robust, Economical, Silicon-rich, Lightweight, and Thermally Efficient battery packs) aims at increasing the energy density, energy efficiency, operative temperature range, fire safety …

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H2UpScale

High-power hydrogen fuel cell system balance of plant component up-scale and optimization

The overarching objective of the H2UpScale project is to design, build, test and validate key Balance of Plant (BoP) components for Polymer Electrolyte Fuel Cell (PEMFC) systems generating more than 250 kW …

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ESCALATE

Powering EU Net Zero Future by Escalating Zero Emission HDVs and Logistic Intelligence

Heavy-duty vehicles account for about 25 % of EU road transport CO2 emissions and about six percent of total EU emissions. In line with the Paris Agreement and Green Deal targets, Regulation (EU) 2019/1242 …

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Contact

Dr.-Ing. Damian Backes
Head of Energy Management and Drivetrains
+49 241 80-25420
Email

Equipment and test benches

Presentations/Articles

Student theses

Selection of current theses:

Address

Institute for Automotive Engineering
RWTH Aachen University
Steinbachstraße 7
52074 Aachen · Germany

office@ika.rwth-aachen.de
+49 241 80 25600

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