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Path acquisition method and navigation method of a navigation system

An acquisition method and technology of a navigation system, applied in the field of route acquisition of a navigation system, can solve problems such as inability to obtain route information, inability to realize navigation from isolated areas to external areas, etc.

Active Publication Date: 2017-09-05
SHANGHAI PATEO ELECTRONIC EQUIPMENT MANUFACTURING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Path information cannot be obtained from the inside of the isolated area to the outer area, so the navigation from the isolated area to the outer area cannot be realized

Method used

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  • Path acquisition method and navigation method of a navigation system
  • Path acquisition method and navigation method of a navigation system
  • Path acquisition method and navigation method of a navigation system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] This embodiment provides a navigation method, such as Image 6 shown, including:

[0074] Step S100, determine the departure point and the destination point according to the navigation request.

[0075] Wherein, the departure location may be the current positioning location, or another location selected separately.

[0076] Step S101, when the departure point is in the isolated area, obtain the external path between the isolated area and the destination point.

[0077] In this embodiment, the starting point is located in an isolated area, refer to Figure 7 , Figure 7 is a schematic diagram of a road network in this embodiment, Figure 7 road network and figure 2 The road network is similar.

[0078] Figure 7 In , the departure point x1 is located in the isolated area 200 , while the destination point y1 is located in the outer area 201 .

[0079] In step S101, the external path actually takes the road node near the isolated area as the external starting poin...

Embodiment 2

[0137] This embodiment provides another navigation method, such as Figure 12 shown, including:

[0138] Step S300, determine the departure point and the destination point according to the navigation request.

[0139] Step S301, when the destination point is in the isolated area, obtain the external path between the departure point and the isolated area.

[0140] In this embodiment, the destination point is located in the isolated area, refer to Figure 13 , Figure 13 is a schematic diagram of a road network in this embodiment, Figure 13 road network and image 3 The road network is similar.

[0141] Figure 13 In , the destination point y2 is located in the isolated area 300 , while the departure point x2 is located in the outer area 301 .

[0142] In step S301, the external path is actually the external starting point obtained by searching the road node near the departure point as the external starting point (i.e. the starting point of the external path), and the ro...

Embodiment 3

[0175] This embodiment provides another navigation method, such as Figure 14 shown, including:

[0176] Step S500, according to the navigation request, obtain the departure point and the destination point.

[0177] Step S501, when the departure point is located in the first isolated area and the destination point is located in the second isolated area, an external path between the first isolated area and the second isolated area is obtained.

[0178] In this embodiment, both the departure point and the destination point are located in the isolated area, so as to Figure 15 Take the road network as an example ( Figure 15 road network and Figure 4 The road network situation is similar), the departure point x3 is located in the isolated area 400 (ie, the first isolated area), and the destination point y3 is located in the isolated area 402 (ie, the second isolated area).

[0179] In step S501, the external path actually takes the road node near the first isolated area as t...

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Abstract

The invention relates to a path acquisition method and a navigation method of a navigation system. The path acquisition method comprises the following steps: acquiring information of an external path of an isolated area; determining an external node corresponding to the isolated area according to information of the external path; acquiring information of an inner road of the isolated area associated with the external node and determining an inner node of the isolated area; and communicating the external node with the inner node to obtain a communication path used for communicating the isolated area with the outside. The navigation method comprises the following steps: acquiring the external path, an internal path and the communication path corresponding to the isolated area by a path acquiring method when an area in which a first site and a second site in the acquisition request are arranged is used as the isolated area, and acquiring the navigation path based on the external path, the internal path and the communication path. According to the technical scheme, the navigation of the path from the inside to the outside of the isolated area in the navigation system can be implemented.

Description

technical field [0001] The invention relates to the technical field of navigation, in particular to a route acquisition method and a navigation method of a navigation system. Background technique [0002] With the increasing development of the automobile industry, various vehicle-mounted devices have emerged as the times require. While owning a car, people also pay attention to the superior experience brought by the on-board equipment. There are many types of vehicle-mounted equipment, such as vehicle-mounted navigation systems, GPS (Global Positioning System) positioning systems, TTS (Text to Speech) broadcast systems, vehicle-mounted DVD player systems, and vehicle-mounted communication systems. At present, the application of using GPS to locate the current position of the vehicle has been widely used. The navigation system combines the positioning system with electronic map data, and can provide vehicle users with solutions to navigation problems. When vehicle users nee...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C21/34G01C21/30
CPCG01C21/3446
Inventor 陈五湖沙丹
Owner SHANGHAI PATEO ELECTRONIC EQUIPMENT MANUFACTURING CO LTD