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

DLR

28 Sept 202206:07

Summary

TLDRThe '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.

Outlines

00:00

🚗 Zero-Emission Electric Drive Unit Development

The first paragraph discusses the 'zero-emission 3 unit' project, which is focused on developing and demonstrating an electric drive unit with no emissions. It addresses two main themes: climate change and health. The project aims to reduce greenhouse gases like CO2 and pollutants such as NOx, fine dust, and microplastics that are produced during combustion processes and are harmful to health. The vehicle features an integrated lamellar brake within the electric motor, which is completely enclosed and temperature-controlled with oil when needed. This design prevents emissions during braking. Additionally, the paragraph describes the tire wear reduction through a topological design and simulation, with the goal of reducing tire wear emissions by 70% to 90%. The vehicle is tested on a roll bench to measure various driving resistances and scenarios, ensuring the functionality of the drive unit and the absence of emissions from braking and tire wear.

05:00

🌟 Demonstrating the Prototype's Success and Future Serialization

The second paragraph highlights the progress and potential of the developed prototype and its components. It emphasizes the successful demonstration of the technology in reducing emissions, particularly in braking and tire wear, up to speeds of approximately 50 km/h. The paragraph suggests that with the positive results achieved, there is a strong possibility of the technology being serialized and integrated into vehicles and mobility in the future. The hope is that the convincing demonstration of the prototype's capabilities will pave the way for its broader application in the automotive industry.

Mindmap

Keywords

💡Zero-emission vehicle

A zero-emission vehicle (ZEV) is one that emits no tailpipe pollutants from the onboard source of power. In the context of the video, the project is developing a demonstration of a zero-emission electric drive unit, which addresses climate change and health issues by eliminating harmful emissions from combustion processes.

💡Climate change

Climate change refers to long-term shifts in temperatures and weather patterns. The video discusses how greenhouse gases, such as carbon dioxide (CO2), contribute to climate change, and the project aims to mitigate this by developing a vehicle with no emissions.

💡Health

Health is a state of complete physical, mental, and social well-being. The script highlights that harmful emissions like NOx (nitrogen oxides), particulate matter, and microplastics can impact health. The project's zero-emission vehicle is designed to reduce these pollutants, thus improving public health.

💡Electric drive unit

An electric drive unit is the powertrain of an electric vehicle, consisting of an electric motor and other components that provide propulsion. The video's project focuses on developing and demonstrating an electric drive unit that is environmentally friendly and has no emissions.

💡Measurement techniques

Measurement techniques refer to the methods used to quantify variables. The video mentions the use of measurement techniques to verify the performance of the electric drive unit and the absence of emissions, which is crucial for demonstrating the success of the zero-emission vehicle.

💡Brake dust

Brake dust is the particulate matter produced when brakes are applied. The script discusses how the vehicle's integrated lamellar brake is designed to prevent brake dust emissions, which is a significant source of air pollution.

💡Microplastics

Microplastics are tiny particles of plastic less than 5mm in size. The video script mentions that microplastics are produced during tire wear, and the project aims to reduce these emissions to protect the environment and human health.

💡Roll testing

Roll testing is a method of testing vehicles on a roll bench to simulate various driving conditions. The script describes how the vehicle is tested on a roll bench to collect data on its performance and emissions under different scenarios.

💡Prototype

A prototype is an early sample or model of a product built to test a concept or process. The video mentions that the vehicle is an absolute prototype, indicating that all its components, including the electric motor, brake system, tires, and aerodynamic designs, are new and being tested for the first time.

💡Test track

A test track is a facility where vehicles are tested for performance, safety, and emissions. The script describes how the vehicle's components are tested on a test track to ensure they perform well under real-world conditions and to gather high-quality data.

💡Worldwide harmonized Light vehicles Test Procedure (WLTP)

The WLTP is a global test procedure for measuring fuel consumption, CO2 emissions, and energy consumption of vehicles. The video script suggests that the project aims to reduce tire wear emissions by 70 to 90% within the WLTP, showcasing the vehicle's potential for significant environmental impact.

Highlights

The project aims to develop a zero-emission electric drive unit addressing climate change and health issues.

Greenhouse gases like CO2 from combustion processes and health hazards like NOx, fine dust, and microplastics are the main concerns.

A lamella brake integrated directly into the electric motor is featured in the vehicle, completely enclosed and temperature-controlled with oil.

The brake system prevents emissions during braking, eliminating environmental impact.

Topological tire wear is simulated dynamically, with a chosen design capable of handling up to 50 km/h.

The vehicle's tire wear emissions can be significantly reduced, with the potential to reach 70-90% avoidance.

The vehicle is tested on a roll test bench with adjustable load and speed profiles to replicate various driving cycles.

All components of the vehicle, including the drive, brake system, tires, and aerodynamic designs, are newly developed.

Two testing options are available: on the roll test bench or at a test site with integrated laboratory measurement technology.

High-quality results are produced, including following the WTC (Worldwide Harmonized Light Vehicles Test Procedure).

Different courses are driven to determine lateral emissions during lateral acceleration.

Various braking tests are conducted, including detailed analysis of the WTC brake.

The innovative brake system can completely avoid emissions compared to conventional brakes.

Calculations show that tire wear can be completely avoided up to approximately 50 km/h, with a gradual increase afterward.

The goal is to achieve a 70-80% reduction in tire wear emissions within the WTC.

The project demonstrates the developed prototypes and components, hoping to convince stakeholders of the technology's potential for series production and mobility applications.

The vehicle is an absolute prototype, showcasing the innovative integration of all-new components for zero-emission driving.