Self-diagnosis method and device of vehicle radar and vehicle
A self-diagnosis and radar technology, applied in the field of vehicles, can solve the problems of inability to guarantee radar accuracy performance, large calibration time span, and high operating costs, and achieve the effect of avoiding high operating costs for calibration and controllable radar performance.
Pending Publication Date: 2022-03-25
BEIJING SANKUAI ONLINE TECH CO LTD
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Problems solved by technology
[0003] Generally, when the radar is used for one year, it needs to be calibrated to check the ranging accuracy, and then it is calibrated every six months to check the ranging accuracy and speed measurement accuracy, resulting in high calibration operation costs, and the calibration time span is large, which cannot be guaranteed The accuracy performance of the radar within the calibration interval time, that is, the radar may fail within the calibration interval time, resulting in a decrease in the automatic driving performance of the vehicle and causing hidden dangers to the driving safety of the vehicle
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[0034] In order to more clearly understand the above objects, features and advantages of the present disclosure, the solutions of the present disclosure will be further described below. It should be noted that, in the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined with each other.
[0035] In the following description, many specific details are set forth in order to fully understand the present disclosure, but the present disclosure can also be implemented in other ways than described here; obviously, the embodiments in the description are only some of the embodiments of the present disclosure, and Not all examples.
[0036] figure 1 It is a schematic flowchart of a vehicle radar self-diagnosis method provided by an embodiment of the present disclosure. The self-diagnosis method of the vehicle radar can be applied in an application scenario where self-diagnosis of the vehicle radar's own ranging accuracy and...
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The invention relates to a self-diagnosis method and device for a vehicle radar and a vehicle, the vehicle comprises a calibration structure and a mechanical linkage structure, the mechanical linkage structure is mechanically connected with the calibration structure, and the mechanical linkage structure is used for driving the calibration structure to move to a calibration detection area of the radar when the radar starts a calibration function. The vehicle can be an unmanned vehicle or an unmanned vehicle; the self-diagnosis method of the vehicle radar comprises the following steps: acquiring set movement parameters of a calibration structure; obtaining calibration structure test movement parameters output by the radar; and diagnosing the radar according to the set movement parameters of the calibration structure and the calibration structure test movement parameters output by the radar. Through the technical scheme disclosed by the invention, the self-diagnosis function of the distance measurement precision and the speed measurement precision of the radar is realized, and the problems that the calibration operation cost is relatively high due to manual on-time radar calibration and the driving safety of the vehicle is influenced due to the fact that the radar may fail in the calibration interval time due to the large calibration time span are solved.
Description
technical field [0001] The present disclosure relates to the technical field of vehicles, in particular to a vehicle radar self-diagnosis method, device and vehicle. Background technique [0002] An unmanned vehicle is a smart car that perceives the surrounding environment through the on-board sensor system, automatically plans the driving route, and controls the vehicle to reach the predetermined target location (that is, the destination). It integrates many technologies such as automatic control, architecture, artificial intelligence, and visual computing. It is a product of highly developed computer science, pattern recognition, and intelligent control technologies. It has broad application prospects in the fields of national defense and national economy. Currently, unmanned vehicles use mechanical radar with a detection accuracy of ±2cm. When the accuracy performance index of the radar exceeds the requirement, it is judged that the service life of the device is exhauste...
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IPC IPC(8): G01S7/40G01S13/931B60R16/023
CPCG01S7/40G01S13/931B60R16/0234
Inventor 卢二宝常鑫高鹏飞
Owner BEIJING SANKUAI ONLINE TECH CO LTD