HL Mando has been granted a patent for a device and method to control radar sensors. The technology involves receiving target information from multiple radar sensors, determining alignment, and comparing data with an image sensor for accuracy. This innovation aims to enhance radar sensor performance and accuracy. GlobalData’s report on HL Mando gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on HL Mando, Driving behavior monitoring was a key innovation area identified from patents. HL Mando's grant share as of January 2024 was 84%. Grant share is based on the ratio of number of grants to total number of patents.
Radar sensor alignment detection device and method
A recently granted patent (Publication Number: US11879991B2) discloses a device and method for controlling a radar sensor. The device includes a receiver that receives detection target information from two radar sensors, a determiner that monitors the similarity target area, and a controller that detects misalignment between the radar sensors. The device further incorporates an image sensor to compare detection target information and determine misalignment based on the similarity of the detected objects. The method involves receiving detection target information from two radar sensors, determining the presence of the second detection target in the similarity target area, and detecting misalignment by comparing the detection target information and utilizing image sensor data for verification.
The patent details the parameters included in the detection target information, such as reflection power, area, relative distance, speed, and angle parameters. The controller determines misalignment by comparing these parameters and applying a preset weight to derive a similarity determination result. Additionally, misalignment is detected based on the angle between the radar sensors and the detected objects. The similarity target monitoring area is set within the overlapping range of the radar sensors' detection areas or with respect to the lane where the moving object is located. The method also includes determining the presence of the second detection target in the similarity target area based on a threshold point. Overall, the patented device and method offer a comprehensive approach to detecting misalignment between radar sensors, ensuring accurate and reliable operation in various scenarios.
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