Investigation of Vechicle Integration Positioning of Radar Sensors at 76.5GHz

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Supervisor:
Szalay Zoltán Attila
Department of Broadband Infocommunications and Electromagnetic Theory

Nowadays, radar sensors are mounted on more and more vehicles to help driving with self-driving functions, such as adaptive tempomat, pedestrian detection, emergency brake assistant, etc. For proper working of these functions, it is indispensible to position the sensors properly. The positioning of the sensors is done in the car factories, which is specified in details in the 3rd chapter. During the positioning procedure, it can happen that the sensor is in a good position, but the reflections from the factory’s floor cause errors, that’s why the sensor falls out. To minimize this kind of errors, I will investigate in details the effect of two-way propagation. After the general theory of automotive radars, I will deal with the positioning on the production line, then in the fourth chapter I will tell the specific information about the Bosch radars. After that, I will show the effect of two-way propagation with geometrical optical simulations. In the 6th chapter, I will mention the mechanincs of the measurement place. In the 7th chapter, the measurement results will be shown, then in the end, I will summarize the results and make some recommendations for an optimal measurement place, where the effect of two-way propagation is minimal.

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