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Navigation method of pilotless automobile

A technology of unmanned vehicles and navigation methods, applied in the field of automatic control of vehicles, can solve the problems of limited component interactivity and reconfiguration, complex data exchange, and inflexibility, and achieve effective navigation control, strong scalability, and stability. good effect

Inactive Publication Date: 2012-03-28
HUNAN UNIV
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Problems solved by technology

[0005] In addition, existing driverless car navigation systems usually have these problems: component modules are tightly coupled, data exchange is complex, inflexible, and very sensitive to system changes; the use of custom hardware and software platforms limits the interactivity of components and reconfigurability; computing / power consumption is limited, and the computing requirements for independent operation and distributed communication during system monitoring and reconfiguration are difficult to meet

Method used

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  • Navigation method of pilotless automobile
  • Navigation method of pilotless automobile

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Embodiment Construction

[0035] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0036] like figure 1 Shown, the navigation method of driverless car of the present invention, its steps are:

[0037] (1) Integrating three navigation strategies of visual navigation, radar navigation and GPS navigation;

[0038] (2) Calculate the current geographic location information of the vehicle based on the electronic map and GPS signal;

[0039] (3) Select the navigation strategy according to the current geographic location information of the vehicle: the visual navigation strategy has the highest priority. If the road boundary information perceived and recognized by the visual navigation module corresponding to the visual navigation strategy is inaccurate or unstable, radar navigation is preferred. strategy; if the obstacle information identified by the lidar detection module corresponding to the radar navigation strategy i...

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Abstract

A navigation method of pilotless automobile is disclosed. The method comprises the following steps: (1) integrating three kinds of navigation strategies: vision navigation, radar navigation and GPS navigation; (2) calculating current geographical location information of an automobile according to an electronic map and a GPS signal; (3) selecting the navigation strategy according to the current geographical location information of an automobile: a priority of the vision navigation strategy is the highest, and if road boundary information perceived and identified by a vision navigation module corresponding to the vision navigation strategy is inaccurate and instable, the radar navigation strategy is the priority; if obstacle information identified by a laser radar detection module corresponding to the radar navigation strategy is inaccurate and instable, the GPS navigation strategy is selected. By using the method of the invention, a principle is simple; an applicable scope is wide; navigation precision is high; controllability and reliability are good. The method has many other advantages.

Description

technical field [0001] The invention mainly relates to the field of automatic control of automobiles, in particular to a navigation method suitable for driverless automobiles. Background technique [0002] A driverless car is a car that relies on smart devices based on computer systems in the car to realize driverless cars, and it can also be called a wheeled mobile robot. It integrates computer architecture, artificial intelligence, visual computing, automatic control and many other technologies. It is a product of the highly developed computer science, pattern recognition and intelligent control technology, and it is also an important symbol to measure a country's scientific research strength and industrial level. Unmanned vehicles have broad application prospects and potential practical value in military defense, public safety, urban transportation, automobile manufacturing and other fields, and have been highly valued by many countries in the world. [0003] The control...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D1/02
Inventor 李仁发肖雄仁徐成张小明唐建秋周权邹汉铮肖俊
Owner HUNAN UNIV
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