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Parallel processing method for periodic tasks by automatic driving decision-making system

A technology for periodic tasks and decision-making systems, which is applied in the field of data processing and can solve problems such as timeouts of current tasks and subsequent tasks.

Inactive Publication Date: 2021-09-14
BEIJING QINGZHOUZHIHANG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this way, in a driving scene with many obstacles and complex map information, if an execution unit overtimes, it will continuously cause the current task and subsequent tasks to time out.

Method used

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  • Parallel processing method for periodic tasks by automatic driving decision-making system
  • Parallel processing method for periodic tasks by automatic driving decision-making system
  • Parallel processing method for periodic tasks by automatic driving decision-making system

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Embodiment Construction

[0040]In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments . Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0041] Embodiment 1 of the present invention provides a parallel processing method for periodic tasks by an automatic driving decision-making system, such as figure 1 As shown in the schematic diagram of a parallel processing method for periodic tasks by an automatic driving decision-making system provided in Embodiment 1 of the present invention, the method mainly includes the following steps:

[0042] Step 1, the automatic driving decisio...

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Abstract

The embodiment of the invention relates to a parallel processing method for periodic tasks by an automatic driving decision-making system. The method comprises the following steps: acquiring current latest perception and prediction data from a perception and prediction data pool to generate a first data set; creating a first periodic task for processing the first data set; respectively inputting the first data set into each first decision planning unit of the first period task to carry out parallel data decision processing of a single task to generate first decision data; monitoring the processing end time of the first decision planning unit of the first period task in the parallel data decision processing process of the single task, and generating first end time T1; after the first end time T1, acquiring current latest perception and prediction data from the perception and prediction data pool to generate a second data set; and creating a new first period task in parallel to process the second data set. The method can shorten the calculation time of the driving track.

Description

technical field [0001] The invention relates to the technical field of data processing, in particular to a method for parallel processing of periodic tasks by an automatic driving decision-making system. Background technique [0002] From the perspective of data processing, the unmanned automatic driving system is conventionally divided into three processing subsystems: data perception / prediction, decision-making and execution. The automatic driving decision-making system is a data processing system that makes driving route decisions based on input perception and prediction data. According to common knowledge in the industry, there is a strict time limit for the execution time of the decision-making plan of the autonomous driving decision-making system. Generally, it is required that each decision-making plan must be calculated within 100ms. However, the actual situation is that in driving scenarios with many obstacles and complex map information, it is difficult for the aut...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W60/00
CPCB60W60/001B60W60/0015
Inventor 李栋侯聪李仁杰翟唯钧苏润冰
Owner BEIJING QINGZHOUZHIHANG TECH CO LTD
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