Abstract
Intensive research is currently being focused on autonomous driving. Nowadays, comprehensive assistance systems already support the driver and ensure increased safety in road traffic. Core of these systems are well developed sensors that detect the surrounding area and thus ensure the safety of all road users. An important technology in this context is the radar sensor. When integrating it into the vehicle the performance of this sensor is highly dependent on its environment. In this regard the design of the cover of the radar sensor a so-called radome plays an important role. Radomes are supposed to ensure the reliability of the radar sensor by their protective function under consideration of the vehicle design. However, the material of radomes influences the high frequency electromagnetic waves.
Therefore, a functional design of radomes requires fundamental knowledge of the interaction of materials and radar waves and thus of the influence of the manufacturing process, the process parameters and the part design. In this paper the structural and process-related influences of injection moulding on damping behaviour of engineering plastics are investigated. A strong relation between thickness and signal damping is observed. Furthermore, a relation between the thermodynamic process parameters of the injection moulding process and the damping behaviour is demonstrated.
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Acknowledgements
This research and results published are based on the support of many ambitious students and assistant scientists, in detail: Alper Balkan, Nader Kasmi, Artur Kimmel, Qizhao Li, Rayan Mikhael, Maryam Rahimi-Karimabad and Lucas Sobiech. All results presented in this paper were developed at the BMBF Forschungscampus Open Hybrid LabFactory.
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Bonfig, T., Sterz, J., Beuscher, J.P., Dröder, K. (2021). Radomes – Process Influences on the Integration of Radar Sensors. In: Dröder, K., Vietor, T. (eds) Technologies for economic and functional lightweight design. Zukunftstechnologien für den multifunktionalen Leichtbau. Springer Vieweg, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-62924-6_20
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DOI: https://doi.org/10.1007/978-3-662-62924-6_20
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