Method, device, equipment and storage medium for determining laser radar error

By obtaining the field angle and angle resolution of the lidar sensor, dividing the field angle area using the tangent function, calculating the maximum error range for the height of the lidar detection obstacles, solving the problem of cumbersome and high cost in the existing technology, and achieving rapid and economical error range judgment.

CN115951336BActive Publication Date: 2025-05-13ROX MOTOR TECH CO LTD
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Patent Information

Application Number
CN202211725179.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-30
Publication Date
2025-05-13
Estimated Expiration
2042-12-30

AI Technical Summary

Technical Problem

In the prior art, it is costly and time-consuming to determine the error range of the height of the lidar sensor to detect obstacles, and the operation is complicated and complicated.

Method used

By obtaining the target distance, field of view and angle resolution between the obstacle and the lidar, performing calculations based on the tangent function, dividing the field of view into N intervals, determining the edge height of the first interval and the Nth interval, and calculating the maximum error range for the height of the lidar to detect obstacles.

Benefits of technology

It realizes the rapid determination of the lidar error range from a theoretical perspective, simplifies operations, saves test costs, and avoids the waste of human and material resources.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The embodiment of the present application provides a method, device, equipment and storage medium for determining the error of a laser radar. The method for determining the error of a laser radar includes: obtaining the target distance between the obstacle and the laser radar, the field of view angle and the angular resolution of the laser radar; based on the angular resolution, dividing the area corresponding to the half of the field of view angle close to the ground into N intervals; based on the tangent function and according to the sequence number of the interval, the target distance, the field of view angle and the angular resolution, determining the edge height of the first interval and the edge height of the Nth interval, and obtaining the upper limit and lower limit of the maximum error of the laser radar detecting the height of the obstacle; according to the upper limit and the lower limit, determining the error range of the laser radar at the distance from the obstacle target. According to the embodiment of the present application, the error range of the laser radar sensor detecting the height of the obstacle can be quickly determined from a theoretical perspective without the need for a large number of real tests, saving manpower and material costs.
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Citation Information

Patent Citations

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