Check patentability & draft patents in minutes with Patsnap Eureka AI!

Bus dynamic positioning and intelligent reporting station system and method

A dynamic positioning and bus technology, applied in the traffic control system, positioning, traffic control system of road vehicles, etc., can solve the problems of unable to provide driving information, large positioning errors, etc.

Inactive Publication Date: 2005-04-27
SHANGHAI UNIV
View PDF0 Cites 10 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, GPS has a large positioning error near high-rise buildings in the city, under elevated roads or in places where satellite signals are blocked by tunnels, and cannot provide effective driving information at this time.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Bus dynamic positioning and intelligent reporting station system and method
  • Bus dynamic positioning and intelligent reporting station system and method
  • Bus dynamic positioning and intelligent reporting station system and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0036] A preferred embodiment of the present invention is: see figure 1 , this a kind of bus dynamic positioning and intelligent station announcement system, comprises a central processing unit CPU4, has electronic map information stored in advance; A vehicle-mounted global positioning system GSP module 1, its output is connected with CPU4 serial port, provides longitude and latitude position information to CPU4; A PC communication interface 3 is connected with the CPU4 serial port to control system functions or update data; the input port of a voice module 7 and an LED display module 8 is connected with the output port of the CPU4 for station announcement and text display; it is characterized in that: there is a The output of the electronic gyroscope 2 is connected to the CPU4 serial port, and periodically provides the driving direction information to the CPU4; the output of a speed displacement sensor 5 is connected to the general IO port of the CPU4 through a rotary encoder ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The present invention relates to MPEG-4 image transmission system and method based on MCF5272 platform. The system consists of image acquiring part, format converting part, image compressing part, key processor part and power source part. The method includes: receiving the transmitted analog signal and performing A / D conversion in the image acquiring part; accepting the digital signal in CCIR656 format and converting into CIR601 format in the format converting part; receiving the digital signal from the format converting part and compressing in the MPEG-4 format in the image compressing part; and adopting the key processor part for implanting uClinux operation system and application software for receiving the digital signal in the MPEG-4 format, processing and transmitting to the network. The system of the present invention bases on the embedded platform with simple structure and easy operation, and the uClinux operation system has high safety.

Description

technical field [0001] The invention relates to a bus dynamic positioning and intelligent stop announcement system and method, in particular to a bus dynamic positioning and intelligent stop announcement system and method in a complex urban environment. Background technique [0002] At present, the vehicle-mounted GPS (Global Positioning System) is used for the dynamic positioning of the bus and the intelligent station announcement, and the intelligent station announcement and the provision of driving information are realized according to the driving route information in the GIS (Geographic Information System). However, GPS has a large positioning error at the edge of high-rise buildings in the city, under elevated roads or in places where satellite signals are blocked, such as tunnels, and cannot provide effective driving information at this time. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to overcome the problems existing in the prior art, ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G01C21/10G01C21/36G01S1/08G01S5/02G08G1/00
Inventor 蔡皓昌余成融潘志浩
Owner SHANGHAI UNIV
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com