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A motor vehicle path planning method for an automatic vehicle system

A technology for automatic vehicles and route planning, applied to road network navigators, navigation, instruments, etc., can solve problems such as the influence of environmental condition detection algorithms

Active Publication Date: 2019-01-15
ROBERT BOSCH GMBH
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  • Claims
  • Application Information

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Problems solved by technology

In addition, environmental conditions and the choice of detection algorithm may also have a significant impact

Method used

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  • A motor vehicle path planning method for an automatic vehicle system
  • A motor vehicle path planning method for an automatic vehicle system

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Embodiment Construction

[0047] figure 1 A flow chart of a route planning method for a motor vehicle with an automated vehicle system is shown.

[0048] In a first optional step S1, during the training phase of the parameterized model, in particular the neural network, based on information about weather data, detection rates of various types of landmarks and other sources of information such as traffic data, preferably in the corresponding Correlations are established between these input variables and the expected occlusion rates for each landmark type at known locations. The position can be determined, for example, by GPS, dead reckoning or on-board positioning.

[0049] In the applicable case, the method starts with a feasibility analysis in step S2. In step S2, a route to be investigated is selected based on the starting point and the destination point using an automatic vehicle system, which may include a navigation system.

[0050] Subsequently, in step S3, vehicle-independent ambient conditio...

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Abstract

A motor vehicle path planning method for an automatic vehicle system is provided. Specific positioning capability of paths and performance of the automatic vehicle system are taken into account in themethod so that path planning adapted to situations can be achieved. Trafficability analysis for at least one path is performed, and includes following steps: selecting a path to be inspected from a start point to a target point; measuring environment conditions not related to the vehicle in the selected path; determining an expected detection rate adapted to a vehicle positioning landmark in theselected path according to the measuring environment conditions not related to the vehicle; determining expected positioning precision of the selected path through utilizing the expected detection rate; and determining whether the expected positioning precision can enable the automatic vehicle system to drive through the path or not.

Description

technical field [0001] The invention relates to a method for planning a route for a motor vehicle with an automated vehicle system. Furthermore, the invention relates to a motor vehicle with an automatic vehicle system, wherein the vehicle system is designed to carry out a route planning method. Background technique [0002] Modern driver assistance systems (English: Advanced Driver Assistance Systems (ADAS)) and highly automated vehicle systems for UAD (Urban Autonomous Driving) increasingly require detailed knowledge of the vehicle environment and situational awareness. Sensor measurement data is used as the basis for perceiving the vehicle's environment. Objects can thus be extracted by means of so-called detection algorithms, by means of which the vehicle environment can be described and analyzed. Modern environmental sensors such as stereo video cameras or laser scanners in combination with detection algorithms can obtain a large amount of information from the vehicle...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/34
CPCG01C21/3446G01C21/3453
Inventor H·米伦茨J·罗德
Owner ROBERT BOSCH GMBH
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