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Ford | Predicting Accident Hotspots
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© Ford
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A consortium led by Ford Mobility has developed a technology for predicting potential accident blackspots. In principle this involves answering the question: Where and when do accidents happen and why? The answers provided by the new system will enable towns and cities to take preventive measures to improve the safety of stretches of road that pose the highest risk. The system analyzes information from a variety of sources, including connected vehicles and sensors at busy intersections. In an 18-month follow-up project
started in the summer of 2020, Ford has connected the systems of around 700 passenger and commercial vehicles in the British county of Oxfordshire. Telematics data, such as brake and accelerator pedal usage and steering wheel angle, will be combined with information from roadside sensors and evaluated. The sensors have been supplied by AI sensor specialist Vivacity Labs, which uses algorithms to analyze the movement patterns of motor vehicles, cyclists and pedestrians.
© FEV Group
FEV | Test Process for High-voltage Batteries
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To improve the thermal propagation of highvoltage batteries, FEV has developed a combined simulation and testing process. The aim is to reduce the risk of injury and damage caused by the thermal runaway of battery cells. A multi-physics model is used to evaluate and optimize the thermal runaway of one cell and the heat propagation between battery cells and modules. At the same time, a flow simulation model is produced, which makes it possible to assess and improve the design of the venting paths, the size of the venting valves and the routing of critical high-voltage connections within the battery pack. Both models are validated in a step-by-step process using data from physical tests. The models are then combined. This allows experimental data to be collected early in the development process without the need to build a fully functional battery pack, which saves both time and money.
Mahle | Modular Air Filter Concept for Fuel Cell Systems
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© Peugeot
© Mahle
The automotive industry supplier Mahle has developed standardized air filters for fuel cells using a modular approach that will reduce development times and costs. The two air filters for fuel cells with an output of 25 to 50 kW or 80 to 120 kW protect the cells from harmful gases and particles. This helps to ensure that the fuel cell can operate throughout the entire service life of a vehicle and keeps the use of expensive catalysts, such as platinum, to a minimum. The filter medium is made up of several layers: a substrate material provides mechanical stability, while a particulate filter layer blocks 99.9 % of unwanted particles. A molecular layer prevents ammonia from entering the fuel cell, an activated carbon layer absorbs unwanted hydrocarbons and an additional specially integrated activated carbon layer stops sulfur dioxide, hydrogen sulfide and nitrogen oxides from reac
