Relative position relation analysis method and system

A technology of relative positional relationship and current position, which is applied in the field of relative positional relationship analysis and system, can solve the problems of processor unfriendliness and time-consuming, etc., and achieve the effect of reducing calculation complexity and amount of calculation

Active Publication Date: 2021-07-13
上海新纪元机器人有限公司
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Problems solved by technology

[0003]In engineering, the method of brute force traversal is generally used to solve the problem. This method consumes a lot of time and is not friendly to processors with weak computing power

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  • Relative position relation analysis method and system
  • Relative position relation analysis method and system
  • Relative position relation analysis method and system

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Embodiment Construction

[0063] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present application. However, it will be apparent to those skilled in the art that the present application may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

[0064] It should be understood that when used in this specification and the appended claims, the term "comprising" indicates the presence of described features, integers, steps, operations, elements and / or components, but does not exclude one or more other Presence or addition of characteristics, wholes, steps, operations, elements, components and / or collections.

[0065] In order ...

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Abstract

The invention provides a relative position relation analysis method and system. The method comprises the following steps of acquiring a current position coordinate of a moving object on a field plane at the current moment, obtaining a curvilinear equation corresponding to the target lane line, wherein the plane corresponding to the target lane line belongs to the field plane, performing equal-interval discrete processing on the curvilinear equation to obtain a lane line discrete curve, wherein the lane line discrete curve comprises a plurality of discrete points, and traversing and analyzing to obtain a relative position relationship between the moving object and the target lane line according to each discrete point in the lane line discrete curve and the current position coordinate. According to the method, the calculation complexity and the calculation amount are reduced, and the relative position relation between the moving object and the target lane line is rapidly analyzed and determined.

Description

technical field [0001] The invention relates to the technical field of data processing, in particular to a relative position relationship analysis and system. Background technique [0002] In multiple algorithm modules such as planning and control in the fields of self-driving cars and robots, it is often necessary to obtain the relative positional relationship between the robot and the current planned trajectory, find the mapping point of the robot on the planned trajectory, and determine the relative position of the robot or vehicle. lateral to the lane markings. [0003] In engineering, the method of brute force traversal is generally used to solve the problem, which takes a long time and is not friendly to processors with weak computing power. Therefore, how to avoid a large number of calculations and find the lateral position simply and efficiently is a technical problem urgently needed to be solved by those skilled in the art. Contents of the invention [0004] The...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D1/02
CPCG05D1/0221G05D1/0278G05D1/0276G05D2201/0216
Inventor 张智强
Owner 上海新纪元机器人有限公司
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