Roll-out ZEDU-1: emissionsfrei unterwegs in die Zukunft ohne Feinstaub und Mikroplastik

Summary

The 'Project Zero-Emission 3 Unit, Generation One' focuses on developing and demonstrating an electric drive unit with zero emissions, addressing climate change and health issues related to pollutants like CO2, NOx, particulate matter, and microplastics. The project integrates a closed lamella brake within the electric motor, eliminating emissions during braking. Innovative tire topologies aim to reduce tire wear emissions by 70-90%. Rigorous testing on a roll bench and test track ensures the drive unit's functionality, with the goal of reducing emissions significantly and showcasing the potential for future series production and mobility solutions.

Takeaways

• 🚀 The project 'zero-emission 3 unit, Generation one' aims to develop, demonstrate, and technically verify an electric drive unit with zero emissions.
• 🌡️ It addresses two main issues: climate warming and health, focusing on reducing greenhouse gases like CO2 and harmful emissions such as NOx, fine dust, and microplastics.
• 🔧 The vehicle features an integrated lamellar brake within the electric motor, which is completely enclosed and temperature-controlled with oil to prevent environmental emissions during braking.
• 🌐 The tire wear is addressed with a topological design that simulates alcohol dynamics, aiming to reduce tire emissions by up to 70-90%.
• 📏 Testing is conducted on a roll test bench where the vehicle is driven at different speeds and under various load conditions to collect data on different measurement concepts and scenarios.
• 🔬 The vehicle is a complete prototype with all new components including the electric motor, brake unit, tires, and aerodynamic designs.
• 🛠️ There are two main testing options mentioned: on the roll test bench and on a test track with integrated laboratory measurement techniques for high-quality results.
• 📊 The script mentions successful replication of the Worldwide Harmonized Light Vehicles Test Procedure (WLTP) to measure lateral emissions during lateral acceleration and detailed brake tests.
• 🛑 The project has achieved zero emissions from brake wear and calculations indicate that tire emissions can be completely avoided up to approximately 50 km/h.
• 🚗 Beyond 50 km/h, tire emissions are expected to increase slightly, but the project aims to achieve a reduction in the range of 70-80% overall.
• 🏆 The project hopes that the successful demonstration of the developed prototypes and components will pave the way for the technology to be implemented in series production and mobility solutions.

Q & A

What is the main focus of the zero-emission project in Generation One?

The main focus is the development, demonstration, and measurement of an electric drive unit that is emission-free, addressing climate change and health issues related to emissions such as greenhouse gases, NOx, fine dust, and microplastics.

How does the project address the issue of emissions from braking processes?

The project integrates a lamellar brake directly into the electric motor, which is completely enclosed and, when needed, tempered with oil to prevent emissions during braking.

What is the role of the alcohol dynamics simulation in the project?

The alcohol dynamics simulation is used to test various topologies, helping to choose the one capable of absorbing tire wear emissions up to 50 km/h through corresponding intakes and exhausts.

What is the purpose of the roll test stand in the vehicle testing process?

The roll test stand is used to drive the vehicle onto a roll, fixate it with straps, adjust the load, and measure driving resistances under different speed profiles and driving cycles for repeatable measurement concepts and scenarios.

What are the unique components of the vehicle in the zero-emission project?

The vehicle is a prototype with all new components, including the electric motor, brake unit, tires, aerodynamic topologies, and the complete electric drive unit.

How does the project plan to test the vehicle and its components?

The project plans to test the vehicle and its components either on a roll test stand or at a test site, integrating laboratory measurement techniques into the vehicle for high-quality results.

What kind of emissions does the project aim to reduce or eliminate from tire wear?

The project aims to reduce or eliminate emissions from tire wear, with calculations showing the potential to avoid emissions completely up to approximately 50 km/h and significantly reduce them beyond that speed.

What is the expected reduction in tire wear emissions based on the project's calculations?

The project expects to achieve a reduction in tire wear emissions of about 70 to 90% based on the World Harmonized Light Vehicles Test Procedure (WLTP).

What are the types of tests conducted at the test site to evaluate the vehicle's performance?

Various tests are conducted, including following the WLTP, determining lateral emissions during lateral accelerations, and conducting detailed braking tests such as the WTC brake.

What is the ultimate goal of the project in terms of technology implementation?

The ultimate goal is to demonstrate the developed prototypes and components effectively, with the hope of successfully integrating the technology into series production and mobility in the future.

How does the project ensure the quality of the measurement results?

The project ensures high-quality results by integrating laboratory measurement techniques into the vehicle, allowing for qualitative and valuable data collection during testing.