Voice broadcast type intelligent vehicle path planning device and implementation method

A technology of intelligent vehicle and voice broadcast, applied in two-dimensional position/channel control and other directions, can solve problems such as reports of such devices that have not yet been seen, and achieve the effects of facilitating communication, reducing costs, and enhancing the ability to deal with emergencies

Inactive Publication Date: 2014-04-30
BEIJING UNIV OF TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

So far, there have been no reports of such devices

Method used

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  • Voice broadcast type intelligent vehicle path planning device and implementation method
  • Voice broadcast type intelligent vehicle path planning device and implementation method
  • Voice broadcast type intelligent vehicle path planning device and implementation method

Examples

Experimental program
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Embodiment

[0064] like Figure 8-10 As shown, this embodiment adopts the attached image 3 The device shown realizes path planning and voice broadcasting of intelligent vehicles.

[0065] The device for voice broadcast intelligent vehicle path planning includes a computer, a set of GPS receiving stations, an inertial navigator, a single-chip microcomputer, a voice chip, a loudspeaker, a microphone and a router. Among them, the computer is installed with VS2008 program and MapX control. The GPS receiving station adopts NovAtel’s FlexPak-G2 series GPS receiving processor and GPS-702-GG receiving antenna, and PACIFICCREST’s PDL4535 data transmission station. The model of the inertial navigator is CrossbowVG700AA, MCU model is AT89S51, voice chip is ISD2560 voice chip from ISD company, speaker model is φ23, microphone is U8957Q, router model is TL-SF1008D.

[0066] The algorithm and work flow that this invention adopts are as follows:

[0067] S1 Add the MapX control to the VS2008 project...

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Abstract

The invention relates to a voice broadcast type intelligent vehicle path planning device and an implementation method, and belongs to the technical field of vehicle control. The overall situation path planning is combined with the local path planning. A heuristic type A* search algorithm is combined with an artificial potential field method. The voice reminding function is added, and therefore the capability of handling the emergency situation of an intelligent vehicle is enhanced. The overall situation path planning is combined with the local path planning, and therefore the double requirements for the path optimality and driving safety of the intelligent vehicle are met. The heuristic type A* search algorithm is combined with the artificial potential field method, and therefore the searching efficiency of the algorithm is obviously improved. A single chip microcomputer is used for controlling the voice broadcast of a voice chip, and the cost of the device is reduced. The communication with other modules of the intelligent vehicle can be conveniently achieved through the local area network constructed through a router.

Description

technical field [0001] The invention relates to the technical field of vehicle control, and relates to a voice broadcast type intelligent vehicle path planning device and an implementation method. Background technique [0002] In recent years, the research on intelligent vehicles has attracted more and more attention. It is an important part of the intelligent transportation system, and it is also an important carrier to realize unmanned driving and assisted driving. The path planning system is an important part of the intelligent vehicle research field, it is equivalent to the brain of the intelligent vehicle, planning and decision-making the behavior of the intelligent vehicle. The current research on intelligent vehicle path planning can be divided into two categories: global path planning and local path planning. Global path planning refers to finding an optimal driving path for intelligent vehicles from the starting position to the target position according to certain ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D1/02
Inventor 段建民葛慧琴史丽晓姚俊琴
Owner BEIJING UNIV OF TECH
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