Evaluation of automotive commercial radar for human

Abstract

An evaluation of the capabilities of Automotive Long Range Radar Generation 2, manufactured by Bosch, for detecting humans is presented. The main goal is to improve the security of workers in work machine environments by detecting the presence of humans and thus avoiding accidents. In order to characterize the limitations of the radar when the target is a human instead of a car, several measurements are performed. As was expected, the measurements have shown important differences from the specifications of the radar. The maximum range has decreased from 200 m to 90 m and the angular resolution is poor. The range resolution between humans is acceptable in near range but increases when the range is large. Also, detecting a human is difficult when he is close to a larger target. The range resolution has been identified as the main drawback in this radar. However, this radar may be able to provide better values in range resolution if the measurement configuration of the radar is changed. Different techniques for human identification have also been presented. The use of two different frequencies seems to be the most potential method to identify humans from other targets.